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Articles 1 - 7 of 7
Full-Text Articles in Life Sciences
Clarifying The Range Of The Endangered Largetooth Sawfish In The United States, Jason C. Seitz, John D. Waters
Clarifying The Range Of The Endangered Largetooth Sawfish In The United States, Jason C. Seitz, John D. Waters
Gulf and Caribbean Research
The United States population of the endangered Largetooth Sawfish (Pristis pristis) has a high probability of extinction. It is critical to identify areas with valid historical records as these areas may be important to the recovery of the species. The U.S. range is reported to extend as far east as Florida based on one vouchered specimen and 3 historical records from this state. Three of these reports presume a local capture location despite a lack of locality data. The vouchered specimen was presumed captured in southern Florida, but evidence suggests otherwise. Dried specimens observed in Florida were most likely imported …
Preliminary Age Estimates For Female Southern Stingrays (Hypanus Americanus) From Southwestern Florida, Usa, Abigail H.P. Hayne, Gregg R. Poulakis, Jason C. Seitz, James A. Sulikowski
Preliminary Age Estimates For Female Southern Stingrays (Hypanus Americanus) From Southwestern Florida, Usa, Abigail H.P. Hayne, Gregg R. Poulakis, Jason C. Seitz, James A. Sulikowski
Gulf and Caribbean Research
No abstract provided.
Diel Activity Patterns And Movement Of Invasive Lionfish (Pterois Volitans/P. Miles) In The Florida Keys Identified Using Acoustic Telemetry, Michael Mccallister, Jeffrey Renchen, Benjamin Binder, Alejandro Acosta
Diel Activity Patterns And Movement Of Invasive Lionfish (Pterois Volitans/P. Miles) In The Florida Keys Identified Using Acoustic Telemetry, Michael Mccallister, Jeffrey Renchen, Benjamin Binder, Alejandro Acosta
Gulf and Caribbean Research
The invasion of Indo—Pacific lionfish (Pterois volitans/P. miles) throughout the Caribbean and southeastern U.S. Atlantic represents a significant ecological threat, yet few studies have examined the daily activity and movement patterns of this invasive species. In this study, passive acoustic telemetry was used to track lionfish at 4 coral reef sites in the Florida Keys. Fourteen lionfish were tagged among the 4 sites, and the total number of days tagged fish were detected ranged from 5 to 141 days. Hourly detection data revealed diel activity patterns with peaks at dawn and dusk. Mixed model analysis of detection data indicated a …
Morphological Features Of Taxonomical Value For The Identification Of Three Western Atlantic Penaeid Shrimp Genera (Decopoda: Penaeidae), Maria M. Criales, Carlos Varela
Morphological Features Of Taxonomical Value For The Identification Of Three Western Atlantic Penaeid Shrimp Genera (Decopoda: Penaeidae), Maria M. Criales, Carlos Varela
Gulf and Caribbean Research
Rostra, telsons and patterns of sternal spines were examined for Western Atlantic penaeid shrimps Metapenaeopsis, Rimapenaeus and Farfantepenaeus to facilitate the identification of postlarval and juvenile stages and clarify the patterns of sternal spines previously proposed as a useful tool for identifying penaeid postlarvae at the generic level. Examination of the telsons and rostra from closely related Metapenaeopsis and Rimapenaeus species indicated that at the postlarval stages these morphological features are very similar in shape and size. Regarding the sternal spines, Metapenaeopsis spp. bear a pair on the second thoracic plate, while Rimapenaeus spp. lack thoracic spines. The different pattern …
Reducing Elasmobranch Bycatch In The Atlantic Seabob (Xiphopenaeus Kroyeri) Trawl Fishery Of Guyana, Aaron Garstin, Hazel A. Oxenford
Reducing Elasmobranch Bycatch In The Atlantic Seabob (Xiphopenaeus Kroyeri) Trawl Fishery Of Guyana, Aaron Garstin, Hazel A. Oxenford
Gulf and Caribbean Research
The Atlantic seabob (Xiphopenaeus kroyeri) trawl fishery is very important to Guyana, with 88 licensed industrial vessels harvesting about 15,000 mt annually, representing Guyana’s most valuable seafood export. All vessels are already using both teleost by—catch reduction devices (BRDs) and turtle excluder devices (TEDs) to satisfy international market standards. However, the key stakeholder, the Guyana Association of Private Trawler Owners and Seafood Processors, is now seeking to access sustainable seafood markets through pursuing Marine Stewardship Council (MSC) certification. To this end, this study documents elasmobranch by—catch in the current fishery and examines the effectiveness of a modified TED …
Preliminary Multivariate Comparison Of Coral Assemblages On Carbonate Banks In The Western Gulf Of Mexico, Rebekah Rodriguez, Erin E. Easton, Thomas C. Shirley, John W. Tunnell, David Hicks
Preliminary Multivariate Comparison Of Coral Assemblages On Carbonate Banks In The Western Gulf Of Mexico, Rebekah Rodriguez, Erin E. Easton, Thomas C. Shirley, John W. Tunnell, David Hicks
Gulf and Caribbean Research
Hermatypic corals flourished on reefs in the Gulf of Mexico (GOM) in the late Pleistocene and early Holocene. Today, many of these relict reefs are mesophotic banks that have unique coral assemblages and provide critical habitat; however, the South Texas Banks (STB) lack quantitative surveys. Therefore, we used a remotely operated vehicle to conduct quantitative surveys of 5 banks: Baker, Aransas, Dream, Blackfish Ridge, and Harte. Coral communities, based on estimated coral densities (colonies/m2), significantly differed among banks for terraces, slopes, and overall (combined terrace and slope) communities for most banks examined. Within banks, terrace and slope communities …
Description Of A New Sound Produced By Nassau Grouper At Spawning Aggregation Sites, Timothy J. Rowell, Michelle T. Schärer, Richard S. Appeldoorn
Description Of A New Sound Produced By Nassau Grouper At Spawning Aggregation Sites, Timothy J. Rowell, Michelle T. Schärer, Richard S. Appeldoorn
Gulf and Caribbean Research
This study identified a new sound produced by Nassau Grouper in association with, although potentially not exclusive to, an agonistic interaction at a spawning aggregation. We have also provided a behavioral and acoustic description for identification of this sound in future studies. The discovery of a third type of sound produced by Nassau Grouper further highlights the importance of acoustic communication coupled with visual displays in fishes. Furthermore, identification of a new sound increases the ability to document the presence of this endangered species at spawning sites. Future efforts may reveal that the sound is produced within additional behavioral contexts …