Fish Resources of the Gulf of Mexico

Chen, Yong

doi:10.1007/978-1-4939-3456-0_1

Cited by 11 publications

(8 citation statements)

References 159 publications

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“…The only individual in this data set tagged in the western Gulf was a sandbar shark. This is probably due in part to the greater acoustic tagging effort in the Atlantic than the western Gulf, but also the observed pattern of a biogeographical break between the eastern and western Gulf (Chen 2017), with many fish in the western Gulf migrating south to Mexico rather than east toward the WCF (Rooker et al 2019).…”

Section: Large-scale Space Usementioning

confidence: 99%

Regional-scale variability in the movement ecology of marine fishes revealed by an integrative acoustic tracking network

Friess

Lowerre-Barbieri

Poulakis

et al. 2021

Mar. Ecol. Prog. Ser.

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Marine fish movement plays a critical role in ecosystem functioning and is increasingly studied with acoustic telemetry. Traditionally, this research has focused on single species and small spatial scales. However, integrated tracking networks, such as the Integrated Tracking of Aquatic Animals in the Gulf of Mexico (iTAG) network, are building the capacity to monitor multiple species over larger spatial scales. We conducted a synthesis of passive acoustic monitoring data for 29 species (889 transmitters), ranging from large top predators to small consumers, monitored along the west coast of Florida, USA, over 3 yr (2016-2018). Space use was highly variable, with some groups using all monitored areas and others using only the area where they were tagged. The most extensive space use was found for Atlantic tarpon Megalops atlanticus and bull sharks Carcharhinus leucas. Individual detection patterns clustered into 4 groups, ranging from occasionally detected long-distance movers to frequently detected juvenile or adult residents. Synchronized, alongshore, long-distance movements were found for Atlantic tarpon, cobia Rachycentron canadum, and several elasmobranch species. These movements were predominantly northbound in spring and southbound in fall. Detections of top predators were highest in summer, except for nearshore Tampa Bay where the most detections occurred in fall, coinciding with large red drum Sciaenops ocellatus spawning aggregations. We discuss the future of collaborative telemetry research, including current limitations and potential solutions to maximize its impact for understanding movement ecology, conducting ecosystem monitoring, and supporting fisheries management.

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Section: Large-scale Space Usementioning

confidence: 99%

Regional-scale variability in the movement ecology of marine fishes revealed by an integrative acoustic tracking network

Friess

Lowerre-Barbieri

Poulakis

et al. 2021

Mar. Ecol. Prog. Ser.

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“…Similarly, blue sharks ( Prionace glauca ) largely feed on cephalopods, but the species composition of blue shark diets varies based on the geographic ranges of cephalopod species and their abundances across respective regions (Markaida & Sosa‐Nishizaki, 2010). Differences in Gulf of Mexico food webs attributed to environmental conditions and productivity likely contribute to geographic variability in blacktip diets and diet diversity (Chen, 2017).…”

Section: Discussionmentioning

confidence: 99%

New insights into the trophic ecology of blacktip sharks (Carcharhinus limbatus) from a subtropical estuary in the western Gulf of Mexico

Matich

Plumlee

Weideli

et al. 2020

Journal of Fish Biology

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As environmental change persists, understanding resource use patterns is of value to predict the consequences of shifting trophic structures. While many sharks are opportunistic predators, some exhibit prey selectivity, putting them at higher risk compared to species with greater trophic plasticity. In the Gulf of Mexico (GOM), Clupeids and Sciaenids comprise 69% of blacktip shark (Carcharhinus limbatus) diets, which is consequential considering potential responses of these prey groups to disturbance and over harvesting. We assessed if blacktips exhibit selectivity for Clupeids and Sciaenids in the western GOM based on stomach contents from sharks in coastal Texas. Clupeids comprised <2% of diets, while striped mullet (Mugil cephalus) and red drum (Sciaenops ocellatus) comprised >70% of identifiable prey. Ontogenetic shifts from smaller (Clupeids, small Sciaenids) to larger, higher trophic level (Ariidae, Elasmobranchii) prey fits our understanding of foraging among coastal sharks, and suggests our regional understanding of blacktip trophic ecology may be limited by the sizes of sampled sharks. Observed increases in blacktip densities coupled with declines in prey (Mugilids, Sciaenids) is concerning if blacktips have limited diet plasticity. Yet GOM blacktips may be more generalized than previously thought, which is promising for conservation and management.

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“…Its 15,419 species (Felder and Camp, 2009) are a subtropical composite of species whose habitats range from emergent wetlands to coral reefs (Ward and Tunnell, 2017). The fish and macrofauna of the Gulf, especially those commercially sought (Chen, 2017), are much studied. Even some of its special habitats, such as those sustaining chemosynthetic vent communities (Cordes et al, 2007), are well known.…”

Section: Micro and Macro Biological Interactionsmentioning

confidence: 99%

The Gulf of Mexico: An Overview

McKinney¹,

Shepherd²,

Wilson³

et al. 2021

Oceanog

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The Gulf of Mexico is a place where the environment and the economy both coexist and contend. It is a resilient large marine ecosystem that has changed in response to many drivers and pressures that we are only now beginning to fully understand. Coastlines of the states that border the Gulf comprise about half of the US southern seaboard, and those states are capped by the vast Midwest. The Gulf drains most of North America and is both an economic keystone and an unintended waste receptacle. It is a renowned resource for seafood markets, recreational fishing, and beach destinations and an international maritime highway fueled by vast, but limited, hydrocarbon reserves. Today, more is known about the Gulf than was imagined possible only a few years ago. That gain in knowledge was driven by one of the greatest environmental disasters of this country’s history, the Deepwater Horizon oil spill. The multitude of response actions and subsequent funded research significantly contributed to expanding our knowledge and, perhaps most importantly, to guiding the work needed to restore the damage from that oil spill. Funding for further work should not wait for the next major disaster, which will be too late; progress must be maintained to ensure that the Gulf continues to be resilient.

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Fish Resources of the Gulf of Mexico

Cited by 11 publications

References 159 publications

Regional-scale variability in the movement ecology of marine fishes revealed by an integrative acoustic tracking network

Regional-scale variability in the movement ecology of marine fishes revealed by an integrative acoustic tracking network

New insights into the trophic ecology of blacktip sharks (Carcharhinus limbatus) from a subtropical estuary in the western Gulf of Mexico

The Gulf of Mexico: An Overview

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