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Articles 91 - 120 of 554
Full-Text Articles in Marine Biology
Habitat Utilization And Vertical Distribution Of The Great Barracuda Sphyraena Barracuda (Edwards 1771) In The Western North Atlantic Using Electronic Archival Tags, Noah R. Hansen, David W. Kerstetter
Habitat Utilization And Vertical Distribution Of The Great Barracuda Sphyraena Barracuda (Edwards 1771) In The Western North Atlantic Using Electronic Archival Tags, Noah R. Hansen, David W. Kerstetter
Gulf and Caribbean Research
The Great Barracuda Sphyraena barracuda is a large predatory teleost commonly seen in the tropics of the Western North Atlantic. Using pop-up satellite archival tags (PSATs), two large Great Barracuda (101 and 104 cm FL) were tagged off South Florida for a 15-day deployment period. Great Barracuda 88094 traveled 471 km minimum straight-line distance (MSLD) over the deployment duration, while Great Barracuda 88095 traveled 1231 km MSLD. Great barracuda 88094 achieved a maximum depth of 145.2 m, while 88095 to a maximum depth of 186.9 m, although such movements were for short time durations. The data obtained indicate significant differences …
Notes On The Biology Of Invasive Lionfish (Pterois Sp.) From The Northcentral Gulf Of Mexico, Nancy J. Brown-Peterson, J. Read Hendon
Notes On The Biology Of Invasive Lionfish (Pterois Sp.) From The Northcentral Gulf Of Mexico, Nancy J. Brown-Peterson, J. Read Hendon
Gulf and Caribbean Research
The first confirmed sightings of lionfish in the Gulf of Mexico occurred in 2010 (Schofield 2010), where they were reported in the southern GOM off the Yucatan Peninsula, Mexico (Aguilar-Perera and Tuz-Sulub 2010); in 2012 more than 1,500 lionfish were collected from northern GOM locations ranging from Florida to Texas (Fogg et al. 2013). However, other than visual observations (mostly from recreational divers), there is relatively little information on the biology and ecology of lionfish in the northern GOM. The life history of invasive species can vary as they colonize new habitats and areas (Bøhn et al. 2004); thus, biological …
Sand Bottom Microalgal Production And Benthic Nutrient Fluxes On The Northeastern Gulf Of Mexico Nearshore Shelf, Jeffrey G. Allison, M.E. Wagner, M. Mcallister, A.K.J. Ren, R.A. Snyder
Sand Bottom Microalgal Production And Benthic Nutrient Fluxes On The Northeastern Gulf Of Mexico Nearshore Shelf, Jeffrey G. Allison, M.E. Wagner, M. Mcallister, A.K.J. Ren, R.A. Snyder
Gulf and Caribbean Research
Benthic microalgal production on the continental shelves may be an important contributor to the overall productivity of offshore ecosystems. We used light and dark benthic chambers to measure in situ production, respiration, and benthic nutrient flux on the nearshore quartzite sands of the northeast Gulf of Mexico shelf. Net exchange of O2, NH4+, NO3- + NO2-, PO4-3, and SiO2 was measured in samples taken from chambers at depths of 15 to 16 m offshore of Pensacola, FL. Phytoplankton production and respiration in near-bottom water was determined …
Record Body Size For The Red Lionfish, Pterois Volitans (Scorpaeniformes), In The Southern Gulf Of Mexico, Alfonso Aguilar-Perera, Leidy Perera-Chan, Luis Quijano-Puerto
Record Body Size For The Red Lionfish, Pterois Volitans (Scorpaeniformes), In The Southern Gulf Of Mexico, Alfonso Aguilar-Perera, Leidy Perera-Chan, Luis Quijano-Puerto
Gulf and Caribbean Research
Non-native species are those that have been transported, via human actions, from one continent and introduced into another (Lockwood et al. 2007). In the 1980s, red lionfish, Pterois volitans (Linnaeus, 1758), traded in the US aquarium industry from the Pacific Ocean, was introduced into the coral reefs off Florida's coast by aquarium hobbyists (Morris and Whitfield 2009). It is unknown how this introduction occurred, but after more than 20 years the red lionfish population is widespread, occupying a large portion of the Western Atlantic (Schofield 2010) where it represents a threat to the marine ecosystem (Green et al. 2012). The …
Time-Activity Budgets Of Stoplight Parrotfish (Scaridae: Sparisoma Viride) In Belize: Cleaning Invitation And Diurnal Patterns, Wesley A. Dent, Gary R. Gaston
Time-Activity Budgets Of Stoplight Parrotfish (Scaridae: Sparisoma Viride) In Belize: Cleaning Invitation And Diurnal Patterns, Wesley A. Dent, Gary R. Gaston
Gulf and Caribbean Research
The primary objective of this study was to analyze diurnal behavior of Sparisoma viride in South Water Caye Marine Reserve (SWCMR), Belize. Time-activity budgets were used to characterize behavior (using swimming, feeding, hovering, sheltering, defecating, and cleaning categories) during the diel cycle, and to illustrate differences among the life phases of this species.
Distribution And Length Frequency Of Invasive Lionfish (Pterois Sp.) In The Northern Gulf Of Mexico, Alexander Q. Fogg, Eric R. Hoffmayer, William B. Driggers Iii, Matthew D. Campbell, Gilmore J. Pellegrin, William Stein
Distribution And Length Frequency Of Invasive Lionfish (Pterois Sp.) In The Northern Gulf Of Mexico, Alexander Q. Fogg, Eric R. Hoffmayer, William B. Driggers Iii, Matthew D. Campbell, Gilmore J. Pellegrin, William Stein
Gulf and Caribbean Research
The purpose of this communication is to document continued spatial expansion of lionfish farther west into the northern Gulf of Mexico. Furthermore, we provide the first length— mass relationships and length frequency information for lionfishes captured within the northern GOM based on data collected as part of a broader on—going study of lionfish life history in this region.
Effects Of Black Mangrove (Avicennia Germinans) Expansion On Saltmarsh (Spartina Alterniflora) Benthic Communities Of The South Texas Coast, Jessica Lunt, Kimberly Mcglaun, Elizabeth M. Robinson
Effects Of Black Mangrove (Avicennia Germinans) Expansion On Saltmarsh (Spartina Alterniflora) Benthic Communities Of The South Texas Coast, Jessica Lunt, Kimberly Mcglaun, Elizabeth M. Robinson
Gulf and Caribbean Research
This study examined the effects of mangrove expansion on benthic communities. This was accomplished by examining plant composition, benthic community composition, and belowground root biomass. Two sites were examined: Corpus Christi Pass, Corpus Christi, TX where mangroves have become more common in the last decade and the Lower Laguna Madre, South Padre Island, TX where mangroves are well established. This research seeks to provide preliminary results to provide direction for future studies examining the interplay of S. alterniflora and A. germinans habitat on benthic communities. We hypothesize that the more established site of South Padre Island will have greater numbers …
What Is Known About Species Richness And Distribution On The Outer-Shelf South Texas Banks?, Harriet L. Nash, Sharon J. Furiness, John W. Tunnell Jr.
What Is Known About Species Richness And Distribution On The Outer-Shelf South Texas Banks?, Harriet L. Nash, Sharon J. Furiness, John W. Tunnell Jr.
Gulf and Caribbean Research
The outer-shelf South Texas Banks, also known as the snapper banks, are known by fishermen to be excellent fishing grounds. However, few scientific studies have been conducted to describe the ecology of these uncommon but distinctive habitats. This paper describes results of a literature review and an assessment to determine what is known about the biota of the South Texas Banks and to assist in developing renewed interest and focus on these topographic highs. The outer-shelf South Texas Banks include relict coralgal reefs and relict barrier islands, and we also include data for a nearshore site, which is geographically and …
Assessment Of Seagrass Floral Community Structure From Two Caribbean Marine Protected Areas, Paul A.X. Bologna, Anthony J. Suleski
Assessment Of Seagrass Floral Community Structure From Two Caribbean Marine Protected Areas, Paul A.X. Bologna, Anthony J. Suleski
Gulf and Caribbean Research
Seagrass communities represent spatially complex and biomass producing systems comprised of intermixed seagrass and algal species. We investigated shallow water communities from two Marine Protected Areas (MPAs) in the Caribbean: St. John, United States Virgin Islands and Cayos Cochinos, Honduras. St. John sites (4) lie within the Virgin Islands National Park and the Coral Reef National Monument and are designated within an UNESCO Biosphere Reserve. Honduran sites (4) lie within the designated Marine National Monument. Our results indicate that both MPAs were dominated by Thalassia testudinum with spatial coverage and shoot density significantly greater in Honduras. Many sites also showed …
Depuration Of Macondo (Mc-252) Oil Found In Heterotrophic Scleractinian Corals (Tubastrea Coccinea And Tubastrea Micranthus) On Offshore Oil/Gas Platforms In The Gulf, Steve R. Kolian, Scott Porter, Paul W. Sammarco, Edwin W. Cake Jr.
Depuration Of Macondo (Mc-252) Oil Found In Heterotrophic Scleractinian Corals (Tubastrea Coccinea And Tubastrea Micranthus) On Offshore Oil/Gas Platforms In The Gulf, Steve R. Kolian, Scott Porter, Paul W. Sammarco, Edwin W. Cake Jr.
Gulf and Caribbean Research
The impetus for this study began on 8 May 2011, when we noted sporadic mortality of colonies of orange—cup corals, Tubastrea coccinea (Lesson, 1829), and green sun corals, Tubastrea micranthus (Ehrenberg, 1834; Cnidaria, Anthozoa, Scleractinia) among colonies of coral that appeared to be in good health at the GI 90 block platforms. Colonies of T. coccinea which appeared to be healthy displayed markedly less tissue regression and were bright orange in color. The morbid polyps were dark brown or black. The corals were collected, transported to the laboratory, and segregated; healthy—appearing corals were placed in quarantine tanks. After 12 h …
Spatial And Size Distribution Of Red Drum Caught And Released In Tampa Bay, Florida, And Factors Associated With Post-Release Hooking Mortality, Kerry E. Flaherty, Brent L. Winner, Julie L. Vecchio, Theodore S. Switzer
Spatial And Size Distribution Of Red Drum Caught And Released In Tampa Bay, Florida, And Factors Associated With Post-Release Hooking Mortality, Kerry E. Flaherty, Brent L. Winner, Julie L. Vecchio, Theodore S. Switzer
Gulf and Caribbean Research
The recreational fishery for red drum (Sciaenops ocellatus) in Florida is unusual in that most red drum targeted are immature and caught within estuarine waters. Current state regulations rely exclusively on bag and size limits, resulting in the release of a large proportion of captured individuals. This study employed hook-and-line sampling conducted monthly in Tampa Bay, Florida and catch-and-release mortality experiments to determine the spatial and size distribution of red drum and the mortality rate of released fish, respectively. Of the 1,405 red drum collected, more than 70% were smaller than the minimum legal size (457 mm standard …
Effects Of Closure Of The Mississippi River Gulf Outlet On Saltwater Intrusion And Bottom Water Hypoxia In Lake Pontchartrain, Michael A. Poirrier
Effects Of Closure Of The Mississippi River Gulf Outlet On Saltwater Intrusion And Bottom Water Hypoxia In Lake Pontchartrain, Michael A. Poirrier
Gulf and Caribbean Research
The goal of this study was to determine if Mississippi River Gulf Outlet closure by hurricane flood protection projects stopped saltwater intrusion, salinity stratification, and associated low bottom water dissolved oxygen in Lake Pontchartrain.
First Record Of A Nurse Shark, Ginglymostoma Cirratum, Within The Mississippi Sound, Jill M. Hendon, Eric R. Hoffmayer, William B. Driggers Iii
First Record Of A Nurse Shark, Ginglymostoma Cirratum, Within The Mississippi Sound, Jill M. Hendon, Eric R. Hoffmayer, William B. Driggers Iii
Gulf and Caribbean Research
Of all the coastal shark species in the northern Gulf of Mexico, the nurse shark, Ginglymostoma cirratum, is one of the few species not documented in the Sound. Unlike most coastal sharks, nurse shark distribution is confined to a relatively specific suite of abiotic characteristics. Hannan et al. (2012) demonstrated that the distribution of nurse sharks in the northern GOM is primarily limited to hard bottom habitats with relatively high temperature, salinity, dissolved oxygen, and water clarity. Herein, we provide support for the findings of Hannan et al. (2012) and report the first documented occurrence of a nurse shark …
Characterization Of Ichthyoplankton In The Northeastern Gulf Of Mexico From Seamap Plankton Surveys, 1982-1999, Joanne Lyczkowski-Shultz, David S. Hanisko, Kenneth J. Sulak, Malgorzata Konieczna, Pamela J. Bond
Characterization Of Ichthyoplankton In The Northeastern Gulf Of Mexico From Seamap Plankton Surveys, 1982-1999, Joanne Lyczkowski-Shultz, David S. Hanisko, Kenneth J. Sulak, Malgorzata Konieczna, Pamela J. Bond
Gulf and Caribbean Research
Data for 61 selected ichthyoplankton taxa from 1,166 bongo and neuston net samples at 72 stations comprising the USGS Northeastern Gulf of Mexico Ichthyoplankton Synopsis (UNIS) study area were analyzed. These data were taken during annual spring and fall Southeast Area Monitoring and Assessment Program (SEAMAP) Gulfwide plankton surveys over the period 1982-1999. The UNIS study area contributed disproportionately more fish eggs, total larvae and net-caught zooplankton biomass to survey totals than would be expected from the number of samples taken in the study area. This pattern was more evident during spring than fall surveys and is probably related to …
An Evaluation Of Mississippi Barrier Islands As A Spawning And Nesting Habitat For The American Horseshoe Crab, Limulus Polyphemus, With Implications For Island Restoration, Richard Fulford, Rebecca A. Haehn
An Evaluation Of Mississippi Barrier Islands As A Spawning And Nesting Habitat For The American Horseshoe Crab, Limulus Polyphemus, With Implications For Island Restoration, Richard Fulford, Rebecca A. Haehn
Gulf and Caribbean Research
The American horseshoe crab (HSC), Limulus polyphemus, is an economically and ecologically important species in the coastal ecosystem. Horseshoe crabs inhabit the continental shelf and estuaries from Maine to the central Gulf Coast and the Yucatán Peninsula. Although the presence of horseshoe crabs in southern Mississippi is known locally, there are limited data specific to the area and population, particularly regarding spawning and nesting habitat. Surveys of HSC presence, habitat use, and behavior on Mississippi barrier islands were conducted between March and November 2007 to 2009. These data, combined with habitat surveys of the barrier islands, were used to …
Determination Of The Spawning Season Of Bigmouth Sleeper In Puerto Rico By Examination Of Gonad Maturation And Reproductive Hormone Cycles, Nathan J. Harris, J. Wesley Neal, Todd D. Sink, Peter W. Perschbacher
Determination Of The Spawning Season Of Bigmouth Sleeper In Puerto Rico By Examination Of Gonad Maturation And Reproductive Hormone Cycles, Nathan J. Harris, J. Wesley Neal, Todd D. Sink, Peter W. Perschbacher
Gulf and Caribbean Research
Bigmouth sleepers, Gobiomorus dormitor, are diadromous fish that have potential for hatchery production as both food and sport fish and for conservation purposes. Understanding of bigmouth sleeper maturation and seasonal hormone cycling are necessary in order to realize hatchery production. Therefore, seasonal trends in gonadosomatic index (GSI) and plasma vitellogenin, estradiol, progesterone and total testosterone concentrations were examined in wild and captive populations in Puerto Rico during the presumed spawning season. The spawning season for wild river populations of bigmouth sleepers was protracted over several months, but peaks in male testosterone (6.5 ng/mL) and female vitellogenin (11.3 ng/mL), estradiol …
Effects Of A Severe Cold Event On The Subtropical, Estuarine-Dependent Common Snook, Centropomus Undecimalis, Aaron J. Adams, Jessica E. Hill, Benjamin N. Kurth, Andrew B. Barbour
Effects Of A Severe Cold Event On The Subtropical, Estuarine-Dependent Common Snook, Centropomus Undecimalis, Aaron J. Adams, Jessica E. Hill, Benjamin N. Kurth, Andrew B. Barbour
Gulf and Caribbean Research
The effects of infrequent disturbance events on marine fishes are often difficult to determine, due largely to lack of sufficient pre- and post-disturbance event data. In January 2010, subtropical southwestern Florida (USA) experienced extreme cold for 13 days, which caused extensive mortality of many fish species. The effect of this severe cold event on common snook (Centropomus undecimalis), an economically important gamefish, was assessed using three years (2007-2009) of pre-event and one year (2010) of post-event data from a tag-recapture program conducted over 28 km of Gulf of Mexico barrier islands of Florida. All metrics pointed to a …
Early Growth Of Three Kingfish (Menticirrhus) Species Found In Coastal Waters Of The Northern Gulf Of Mexico, E. John Anderson, Bruce H. Comyns, Harriet Perry, Chet F. Rakocinski
Early Growth Of Three Kingfish (Menticirrhus) Species Found In Coastal Waters Of The Northern Gulf Of Mexico, E. John Anderson, Bruce H. Comyns, Harriet Perry, Chet F. Rakocinski
Gulf and Caribbean Research
Southern kingfish (Menticirrhus americanus), gulf kingfish (M. littoralis), and northern kingfish (M. saxatilis) are members of the drum family (Sciaenidae) that are widespread in coastal habitats of the western Atlantic, including in the Gulf of Mexico (GOM). Despite their economic and ecological importance, little is known about growth of young kingfish. Young kingfish were collected from four different Mississippi shoreline habitats in 2005 and 2006; two associated with barrier islands and two along the mainland. Barrier island habitats included surf zones on the south shore and grass beds on the north shore. Mainland habitats …
Flexible Feeding Strategies Of Juvenile Gray Triggerfish (Balistes Capriscus) And Planehead Filefish (Stephanolepis Hispidus) Within Sargassum Habitat, Sarah E. Ballard, Chet F. Rakocinski
Flexible Feeding Strategies Of Juvenile Gray Triggerfish (Balistes Capriscus) And Planehead Filefish (Stephanolepis Hispidus) Within Sargassum Habitat, Sarah E. Ballard, Chet F. Rakocinski
Gulf and Caribbean Research
Sargassum-associated juvenile gray triggerfish and planehead filefish exhibited flexible feeding strategies in terms of their use of epifauna or pelagic zooplankton. Four diet samples represented instances of co-occurrence and segregated occurrence. Co-occurring gray triggerfish had the most specialized diets consisting mainly of pelagic copepods and hyperiid amphipods. Conversely, segregated triggerfish as well as both co-occurring and segregated filefish had broader diets mainly consisting of Sargassum epifauna, such as bryozoans, portunid crabs, and hippolytid shrimp. Still, co-occurring planehead filefish also consumed somewhat more zooplankton than segregated planehead filefish. Ontogenetic diet transitions were not as distinct for gray triggerfish as for …
A New Baseline For Diadema Antillarum, Echinometra Viridis, E. Lucunter, And Eucidaris Tribuloides Populations Within The Cayos Cochinos Mpa, Honduras, Paul A.X. Bologna, Lucy Webb-Wilson, Patrick Connelly, James E. Saunders
A New Baseline For Diadema Antillarum, Echinometra Viridis, E. Lucunter, And Eucidaris Tribuloides Populations Within The Cayos Cochinos Mpa, Honduras, Paul A.X. Bologna, Lucy Webb-Wilson, Patrick Connelly, James E. Saunders
Gulf and Caribbean Research
We investigated the density of 4 urchin species from 5 shallow reefs in the Cayos Cochinos Marine Protected Area in Honduras. Individual species density varied among reefs with total urchin density ranging from 3.2–7.9 individuals/m2. Echinometra viridis (Agassiz, 1863) was the numerically dominant species (2.29/m2) followed by E. lucunter (Linnaeus, 1758) (1.76/m2) with Eucidaris tribuloides (Lamarck 1816) representing the fewest individuals (0.42/m2). Our results indicated that density of Diadema antillarum (Philippi, 1845) differed significantly among reefs (0.4-1.3/m2, mean = 0.63/m2), but are three times greater than data collected …
Using The Fishes Of Texas Project Databases And Recent Collections To Detect Range Expansions By Four Fish Species On The Lower Coastal Plain Of Texas, F. Douglas Martin, Adam E. Cohen, Dean A. Hendrickson
Using The Fishes Of Texas Project Databases And Recent Collections To Detect Range Expansions By Four Fish Species On The Lower Coastal Plain Of Texas, F. Douglas Martin, Adam E. Cohen, Dean A. Hendrickson
Gulf and Caribbean Research
The Fishes of Texas project online database is a large, freely available quality controlled fish occurrence database of museum vouchered specimens. We used data from it, the same project’s separate database of occurrences extracted from published literature and our own recent survey data to examine range stability for four fish species inhabiting the Texas Lower Coastal Plain: Fundulus chrysotus, Fundulus jenkinsi, Heterandria formosa and Poecilia formosa. A weakness of our data is that they consist of presences only and species absences can only rarely be inferred. To help adjust for this we used common widespread species as …
A Western Range Extension For Caprella Scaura (Amphipoda: Caprellidae) In The Aransas Bay Ecosystem, Texas, Nicholas L. Ahrens, Faye P. Grubbs
A Western Range Extension For Caprella Scaura (Amphipoda: Caprellidae) In The Aransas Bay Ecosystem, Texas, Nicholas L. Ahrens, Faye P. Grubbs
Gulf and Caribbean Research
During March 2009, the skeleton shrimp Caprella scaura and Paracaprella tenuis (Amphipoda: Caprellidae) were collected from several locations throughout the Aransas Bay, Texas ecosystem from Texas Parks and Wildlife fishery—independent trawl and oyster dredge samples. This is a western range expansion for C. scaura; P. tenuis has been reported from this area before. Both species were exclusively associated with a bryozoan, Bugula neritina. Densities of both species ranged between 0.1–3.4 individuals per gram of attached bryozoans. A reproductive population is likely established since several sizes, including adult males and gravid females, were observed. No caprellids were observed after …
Evidence Of Spawning Capable Tarpon (Megalops Atlanticus) Off The Louisiana Coast, William Stein Iii, Nancy J. Brown-Peterson, James S. Franks, Martin T. O'Connell
Evidence Of Spawning Capable Tarpon (Megalops Atlanticus) Off The Louisiana Coast, William Stein Iii, Nancy J. Brown-Peterson, James S. Franks, Martin T. O'Connell
Gulf and Caribbean Research
Despite the fact that the tarpon (Megalops atlanticus) is a popular sport fish in the Gulf of Mexico (GOM; Ault et al. 2008), little is known of its spawning behavior. Spawning M. atlanticus have never been documented and fertilized eggs have not been observed in situ (Ault et al. 2008). While it has been suggested that adult M. atlanticus move to deep water off the southwest coast of Florida and into the Yucatan Channel to spawn, the actual locations of spawning grounds remain unknown (Smith 1980, Crabtree et al. 1995, Crabtree et al. 1997). Distribution patterns of larvae …
A 50 Year Accomplishment In Marine Science: A History Of The Journal Published By The Gulf Coast Research Laboratory, Mark S. Peterson, Nancy J. Brown-Peterson, Sara E. Lecroy, Joyce M. Shaw, James S. Franks, Richard W. Heard
A 50 Year Accomplishment In Marine Science: A History Of The Journal Published By The Gulf Coast Research Laboratory, Mark S. Peterson, Nancy J. Brown-Peterson, Sara E. Lecroy, Joyce M. Shaw, James S. Franks, Richard W. Heard
Gulf and Caribbean Research
The Gulf Coast Research Laboratory (GCRL) has a 50 year history of annual publication of the peer-reviewed journal Gulf and Caribbean Research (GCR, 2000-present; formerly Gulf Research Reports (GRR) from 1961—1999). Other extant journals serving the region during this time include Contributions in Marine Science (since 1945), Proceedings of the Gulf and Caribbean Fisheries Institute (since 1948), Bulletin of Marine Science (since 1951), Revista de Biología Tropical (since 1953), and Caribbean Journal of Science (since 1961). In the early years of the GCR publication, papers were primarily concerned with research in Mississippi and the northern Gulf of Mexico (GOM), and …
Trade-Offs Between Gear Selectivity And Logistics When Sampling Nekton From Shallow Open Water Habitats: A Gear Comparison Study, Ronald Baker, Thomas J. Minello
Trade-Offs Between Gear Selectivity And Logistics When Sampling Nekton From Shallow Open Water Habitats: A Gear Comparison Study, Ronald Baker, Thomas J. Minello
Gulf and Caribbean Research
We compared logistical issues and the catch composition, density, and size structure of nekton samples collected with a drop sampler, benthic sled, and a fine mesh cast net in shallow non-vegetated habitats of Galveston Bay, Texas. Approximately 16 cast net replicates were collected and sorted for every one drop or benthic sled sample. The drop sampler collected the greatest number of species and provided the highest density estimates for the majority of crustaceans and small demersal fishes; the sled provided comparable density estimates for penaeids and small demersal nekton, while under-representing more mobile fishes. Densities of small benthic nekton were …
Odd Association And Range Extension Of Caligus Rufimaculatus Wilson, 1905; Caligidae, Siphonostomatoida, Copepoda, G.W. Benz, E.C. Greiner, S.R. Bowen, L. Goetz, N. Evou
Odd Association And Range Extension Of Caligus Rufimaculatus Wilson, 1905; Caligidae, Siphonostomatoida, Copepoda, G.W. Benz, E.C. Greiner, S.R. Bowen, L. Goetz, N. Evou
Gulf and Caribbean Research
The Caligidae (Siphonostomatoida, Copepoda) comprises more than 465 parasitic species, over 250 of which belong to Caligus Müller, 1785 (Boxshall and Halsey 2004). Caligus spp. are primarily marine; but some representatives routinely inhabit brackish or fresh water (Margolis et al. 1975). Some Caligus spp. have been widely reported from several oceans, others have been documented from a single location, and a few have only been collected as free-swimming individuals not associated with a host (Margolis et al. 1975). Caligus spp. range from being stenoxenous to euryxenous, with most species infecting actinopterygians (Actinopterygii), a much smaller group exclusively or non-exclusively infecting …
Observations At A Multispecies Parrotfish (Scaridae) Spawning Aggregation Site At Bermuda With Notes On The Predation Behavior Of Black Grouper (Mycteroperca Bonaci), Brian E. Luckhurst
Observations At A Multispecies Parrotfish (Scaridae) Spawning Aggregation Site At Bermuda With Notes On The Predation Behavior Of Black Grouper (Mycteroperca Bonaci), Brian E. Luckhurst
Gulf and Caribbean Research
The objective of the present study was to describe the spawning behavior of three different species of parrotfishes at the same spawning aggregation site with detailed timing sequences. In addition, observations of other species known to form resident spawning aggregations (i.e., surgeonfishes) and the predatory behavior of black grouper (Mycteroperca bonaci) at this aggregation site are included.
Caribbean Leucothoidae (Crustacea: Amphipoda) Of Panama, Kristine N. White
Caribbean Leucothoidae (Crustacea: Amphipoda) Of Panama, Kristine N. White
Gulf and Caribbean Research
Leucothoid amphipods were collected from sponge, ascidian, and bivalve mollusk hosts around Bocas del Toro, Panama. New host and locality records are reported for 10 species. Morphological variation is noted in some species originally described from Belize and South Florida. Future molecular research will help to clarify the importance of this variation. A key to the Caribbean species of the Leucothoidae collected around Bocas del Toro, Panama is provided based on morphological characters.
Distribution And Abundance Of Introduced Fishes In Florida's Charlotte Harbor Estuary, Charles F. Idelberger, Christopher J. Stafford, Sarah E. Erickson
Distribution And Abundance Of Introduced Fishes In Florida's Charlotte Harbor Estuary, Charles F. Idelberger, Christopher J. Stafford, Sarah E. Erickson
Gulf and Caribbean Research
A growing number of non-native fishes have been introduced into Florida waters in recent years, yet little information has been available on their distribution and abundance in southwest Florida. The ichthyofauna of the Charlotte Harbor estuary, Florida, was intensively sampled from 1989 through 2007. We collected eight introduced fish taxa: African jewelfish (Hemichromis letourneuxi), blue tilapia (Oreochromis aureus), brown hoplo (Hoplosternum littorale), grass carp (Ctenopharyngodon idella), Mayan cichlid (Cichlasoma urophthalmus), sailfin catfishes (Pterygoplichthys spp.), spotted tilapia (Tilapia mariae), and walking catfish (Clarias batrachus). These fishes …
Growth Patterns Of Shoal Grass Halodule Wrightii And Manatee Grass Syringodium Filiforme In The Western Gulf Of Mexico, Melissa A. Gutierrez, Annette A. Cardona, Delbert L. Smee
Growth Patterns Of Shoal Grass Halodule Wrightii And Manatee Grass Syringodium Filiforme In The Western Gulf Of Mexico, Melissa A. Gutierrez, Annette A. Cardona, Delbert L. Smee
Gulf and Caribbean Research
Although manatee grass is becoming increasingly abundant in Texas bays, its growth characteristics have not been measured in the western GOM. Changes in seagrass species composition can have significant community effects (Micheli et al. 2008), but the effects of a transition from shoal to manatee grass in the LM have not been extensively studied (but see Tolan et al. 1997). The goals of our study were to measure growth patterns of these two seagrass species in two locations in the western GOM that vary in salinity, epiphyte loads, and nutrient inputs.