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Marine Biology Commons™

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2025

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Articles 301 - 307 of 307

Full-Text Articles in Marine Biology

Non-Stereotypy (To Species) In Mysticete Downsweeps, Paul Nguyen Hong Duc, Christine Erbe, Shyam Madhusudhana, Daniel Wilkes, Lachlan Gill, Cristina Tollefsen, Narissa De Bruin, Aiyana Erbeking, Curt Jenner, Micheline Jenner, Angela Recalde-Salas, Chandra P. Salgado Kent, Kautilya Srivastava, Chong Wei, Robert Mccauley Jan 2025

Non-Stereotypy (To Species) In Mysticete Downsweeps, Paul Nguyen Hong Duc, Christine Erbe, Shyam Madhusudhana, Daniel Wilkes, Lachlan Gill, Cristina Tollefsen, Narissa De Bruin, Aiyana Erbeking, Curt Jenner, Micheline Jenner, Angela Recalde-Salas, Chandra P. Salgado Kent, Kautilya Srivastava, Chong Wei, Robert Mccauley

Research outputs 2022 to 2026

The Australian EEZ provides habitat for ten species of mysticete whales seasonally supporting critical life functions ranging from feeding to breeding. All of these species produce downsweeping calls, which may confound passive acoustic monitoring efforts. In an attempt to optimize a detector for Eastern Indian Ocean pygmy blue whale (EIOPBW) downsweeps, we tried a spectrogram correlator based on confirmed templates and a neural network trained on general blue whale D-calls followed by clustering algorithms. Outputs were manually validated by bioacousticians. We found that downsweeps exhibit significant variability and form a graded continuum of acoustic features, as opposed to clusters. Comparative …

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More Than One Way To Be A Planktivore: The Vast Morphospace Of Plankton-Feeding Reef Fishes, Isabelle Ng, David R. Bellwood, Jan M. Strugnell, Sergio R. Floeter, Alexandre C. Siqueira Jan 2025

More Than One Way To Be A Planktivore: The Vast Morphospace Of Plankton-Feeding Reef Fishes, Isabelle Ng, David R. Bellwood, Jan M. Strugnell, Sergio R. Floeter, Alexandre C. Siqueira

Research outputs 2022 to 2026

Planktivorous reef fishes are thought to possess unique morphological traits to feed on small, evasive prey. Despite the multitude of family-level studies addressing this hypothesis, results remain inconclusive. Our goal, therefore, was to determine whether specialised traits and patterns of morphological convergence are congruent across a comprehensive phylogeny of reef-associated fishes. We measured 15 morphological traits from 815 images of 299 species in 12 globally distributed families. Using phylogenetic comparative methods, we mapped the evolution of plankton-feeding across lineages; assessed the effect of planktivory on body shape; and tested for the presence of morphological convergence among planktivores. We demonstrate that …

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Cross-Habitat Patterns Of Sediment Transport And Release By Surgeonfishes, Sterling B. Tebbett, David R. Bellwood, James Gahan, Isabelle Ng, Alexandre C. Siqueira Jan 2025

Cross-Habitat Patterns Of Sediment Transport And Release By Surgeonfishes, Sterling B. Tebbett, David R. Bellwood, James Gahan, Isabelle Ng, Alexandre C. Siqueira

Research outputs 2022 to 2026

Building a comprehensive understanding of geo-ecological functions is viewed as a critical step in the quantification of carbonate and sediment budgets on coral reefs. Although parrotfishes are known to play key roles in such functions, the roles of surgeonfishes are less well understood. This is despite surgeonfishes being some of the largest and most abundant, nominally herbivorous fishes on reefs, with the potential to play a major role in sediment dynamics. Here, we quantified the role of four focal surgeonfish species across two functional groups (sediment suckers and brushers) in cross-habitat sediment dynamics by combining data on behavioural observations, fish …

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Accounting For Post-Release Mortality In Data-Limited, Length-Based Assessments For Four Demersal Fish Species With Varying Life Histories, Brett Crisafulli, Sybrand Alexander Hesp, Ebenezer Afrifa-Yamoah, Ute A. Mueller, Karina L. Ryan, David V. Fairclough, Norman G. Hall, Johnny Lo Jan 2025

Accounting For Post-Release Mortality In Data-Limited, Length-Based Assessments For Four Demersal Fish Species With Varying Life Histories, Brett Crisafulli, Sybrand Alexander Hesp, Ebenezer Afrifa-Yamoah, Ute A. Mueller, Karina L. Ryan, David V. Fairclough, Norman G. Hall, Johnny Lo

Research outputs 2022 to 2026

Released (or discarded) fish from recreational and commercial line fisheries can experience significant levels of post-release mortality (PRM), affecting sustainability. Although PRM effects are often considered in data-rich (integrated model) assessments, this is uncommon in data-limited assessments. This study investigates impacts of PRM when applying data-limited, length-based assessment methods for four reef-dwelling demersal fish species in temperate Western Australia (Glaucosoma hebraicum, Chrysophrys auratus, Choerodon rubescens and Epinephelides armatus). These species differ considerably in their biology and susceptibility to PRM. For each species simulations were undertaken to (1) evaluate the reliability of a length-based catch curve (LBCC) method for estimating fishing …

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Dr. Eric Angel Ramos - A Shooting Star That Inspired Marine Mammalogists And Beyond (1987 – 2024), Laura J. May-Collado, Jeremy J. Kiszka, Nataly Castelblanco-Martínez, Beth Brady, G. Rieucau, Daniel Gonzalez-Socoloske, Renata Sousa-Lima, Diana Reiss, Macelo Magnasco, Roderic Mast, Wayne Sentman, Joy S. Reidenberg Jan 2025

Dr. Eric Angel Ramos - A Shooting Star That Inspired Marine Mammalogists And Beyond (1987 – 2024), Laura J. May-Collado, Jeremy J. Kiszka, Nataly Castelblanco-Martínez, Beth Brady, G. Rieucau, Daniel Gonzalez-Socoloske, Renata Sousa-Lima, Diana Reiss, Macelo Magnasco, Roderic Mast, Wayne Sentman, Joy S. Reidenberg

Faculty Publications

No abstract provided.

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Predation Of A Sperm Whale (Physeter Macrocephalus) By Killer Whales (Orcinus Orca) In Guanaja, Honduras, Gaby M. Ochoa, Eric Angel Ramos, Daniel Gonzalez-Socoloske Jan 2025

Predation Of A Sperm Whale (Physeter Macrocephalus) By Killer Whales (Orcinus Orca) In Guanaja, Honduras, Gaby M. Ochoa, Eric Angel Ramos, Daniel Gonzalez-Socoloske

Faculty Publications

No abstract provided.

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Using Algal Turf Scrubber Biomass As A Feed Source For Juvenile Eastern Oysters, Taofeek Saka Jimoh Jan 2025

Using Algal Turf Scrubber Biomass As A Feed Source For Juvenile Eastern Oysters, Taofeek Saka Jimoh

College of Graduate Studies: Theses & Dissertations

Algal turf scrubber (ATS) is an engineered system that promotes natural wastewater treatment processes and improves water quality by passing a shallow stream of nutrient rich water over the surface of a gently sloped flow-way. Algae turf scrubber biomass is a combination of micro and macroalgae, as well as micro-invertebrates, ciliates, bacteria, and more. The overall aim of the study was to reduce the feeding cost of juvenile eastern oysters by replacing the commercial microalgae diet with ATS biomass. The experiment was designed to assess the viability of replacing commercial microalgal diet with ATS biomass at different substitution levels (0, …

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