Andrew P. Nosal
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View article: Observations of skin color aberrations in four shark species off the coast of southern California, USA
Observations of skin color aberrations in four shark species off the coast of southern California, USA Open
Skin color aberrations are naturally occurring abnormal pigment patterns that are generally rare among chondrichthyans. In this study, we highlight different skin color aberrations from observations of four shark species native to southern…
View article: Spatial ecology of the Giant Sea Bass, <i>Stereolepis gigas</i>, in a southern California kelp forest as determined by acoustic telemetry
Spatial ecology of the Giant Sea Bass, <i>Stereolepis gigas</i>, in a southern California kelp forest as determined by acoustic telemetry Open
The fisheries history of the Giant Sea Bass, Stereolepis gigas (Telostei: Polyprionidae), is closely linked to its spatial ecology. Its overharvest is directly associated with formation of spatially distinct spawning aggregations during su…
View article: Epidermal Microbiomes of Leopard Sharks (Triakis semifasciata) Are Consistent across Captive and Wild Environments
Epidermal Microbiomes of Leopard Sharks (Triakis semifasciata) Are Consistent across Captive and Wild Environments Open
Characterizations of shark-microbe systems in wild environments have outlined patterns of species-specific microbiomes; however, whether captivity affects these trends has yet to be determined. We used high-throughput shotgun sequencing to…
View article: Epidermal Microbiomes of Leopard Sharks (Triakis semifasciata) Are Consistent Across Captive and Wild Environments
Epidermal Microbiomes of Leopard Sharks (Triakis semifasciata) Are Consistent Across Captive and Wild Environments Open
Characterizations of sharks-microbe systems in wild environments have outlined patterns of species-specific microbiomes; however, whether captivity affects these trends has yet to be determined. We used high-throughput shotgun sequencing t…
View article: The Epidermal Microbiome Within an Aggregation of Leopard Sharks (Triakis semifasciata) Has Taxonomic Flexibility with Gene Functional Stability Across Three Time-points
The Epidermal Microbiome Within an Aggregation of Leopard Sharks (Triakis semifasciata) Has Taxonomic Flexibility with Gene Functional Stability Across Three Time-points Open
View article: The Epidermal Microbiome Within An Aggregation of Leopard Sharks (Triakis Semifasciata) Has Taxonomic Flexibility With Gene Functional Stability Across Three Time-Points
The Epidermal Microbiome Within An Aggregation of Leopard Sharks (Triakis Semifasciata) Has Taxonomic Flexibility With Gene Functional Stability Across Three Time-Points Open
Background: The epidermis of Chondrichthyan fishes consists of dermal denticles with production of minimal but protein rich mucus that influence the attachment and biofilm development of microbes, facilitating a unique epidermal microbiome…
View article: The Epidermal Microbiome Within An Aggregation of Leopard Sharks (Triakis Semifasciata) Has Taxonomic Flexibility With Gene Functional Stability Across Three Time-Points
The Epidermal Microbiome Within An Aggregation of Leopard Sharks (Triakis Semifasciata) Has Taxonomic Flexibility With Gene Functional Stability Across Three Time-Points Open
Background: The epidermis of Chondrichthyan fishes consists of dermal denticles with production of minimal but protein rich mucus that influence the attachment and biofilm development of microbes, facilitating a unique epidermal microbiome…
View article: Post-release survival and prolonged sublethal effects of capture and barotrauma on deep-dwelling rockfishes (genus <i>Sebastes</i>): implications for fish management and conservation
Post-release survival and prolonged sublethal effects of capture and barotrauma on deep-dwelling rockfishes (genus <i>Sebastes</i>): implications for fish management and conservation Open
Barotrauma—injury induced by changes in pressure—is a widespread challenge for successfully releasing fishes following capture. We used acoustic telemetry to examine the long-term post-release survival and behaviour of four rockfish specie…
View article: Triennial migration and philopatry in the critically endangered soupfin shark <i>Galeorhinus galeus</i>
Triennial migration and philopatry in the critically endangered soupfin shark <i>Galeorhinus galeus</i> Open
Globally, one quarter of shark and ray species are threatened with extinction due to overfishing. Effective conservation and management can facilitate population recoveries. However, these efforts depend on robust data on movement patterns…
View article: Residency and long-distance movements of sevengill sharks (Notorhynchus cepedianus) tagged in San Francisco Bay
Residency and long-distance movements of sevengill sharks (Notorhynchus cepedianus) tagged in San Francisco Bay Open
Background Sevengill sharks are common inhabitants of estuaries and coastal areas and particularly abundant in San Francisco Bay (SFB). There is limited knowledge about the level of residency and migratory movements of this species. We des…
View article: Predicting coordinated group movements of sharks with limited observations using AUVs
Predicting coordinated group movements of sharks with limited observations using AUVs Open
This paper presents a method for modeling and then tracking the 2D planar size, location, orientation, and number of individuals of an animal aggregation using Autonomous Underwater Vehicles (AUVs). It is assumed that the AUVs are equipped…
View article: The Effect of Background Music in Shark Documentaries on Viewers' Perceptions of Sharks
The Effect of Background Music in Shark Documentaries on Viewers' Perceptions of Sharks Open
Despite the ongoing need for shark conservation and management, prevailing negative sentiments marginalize these animals and legitimize permissive exploitation. These negative attitudes arise from an instinctive, yet exaggerated fear, whic…
View article: Olfaction Contributes to Pelagic Navigation in a Coastal Shark
Olfaction Contributes to Pelagic Navigation in a Coastal Shark Open
How animals navigate the constantly moving and visually uniform pelagic realm, often along straight paths between distant sites, is an enduring mystery. The mechanisms enabling pelagic navigation in cartilaginous fishes are particularly un…