Trophic ecology of barrelfish (<i>Hyperoglyphe perciformis</i>) in oceanic waters of southeast Florida

Suca, Justin J.; Llopiz, Joel K.

doi:10.5343/bms.2017.1003

Cited by 4 publications

(2 citation statements)

References 45 publications

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“…Lerner et al 2013). In the South Atlantic Bight, recreational anglers are targeting swordfish at depth, but also other benthopelagic fishes such as barrelfish, which have a known depth range of 200 -400 m (Suca and Llopiz 2017). Lastly, in Bermuda the commercial fishery expanded into deeper water during the 1970s and 1980s when populations of shallow reef fishes were in decline.…”

Section: Discussionmentioning

confidence: 99%

New records of the ragged-tooth shark, Odontaspis ferox, from the western North Atlantic Ocean, with a summary of regional occurrences

Higgs

Hoffmayer

Driggers

et al. 2022

bms

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Four new records of the ragged-tooth shark (Odontaspis ferox, i.e., smalltooth sand tiger), are reported from recreational and commercial fisheries in the western North Atlantic Ocean. Two specimens of unknown sex were caught in the recreational swordfish (Xiphias gladius) fishery in the northern Gulf of Mexico [about 225 and 250 cm total length (TL)], a mature male was caught in the South Atlantic Bight (about 200 cm TL) by an angler targeting barrelfish (Hyperoglyphe perciformis), and another mature male was caught in the Sargasso Sea off Bermuda (about 275 cm TL) by a commercial fisher targeting Atlantic wreckfish (Polyprion americanus). All four specimens were incidentally caught on rod-and-reel and released alive. The Gulf of Mexico and South Atlantic Bight specimens reported herein contribute to the limited number of ragged-tooth shark interactions in these regions, while the observation in Bermuda is the first documented record for this locality.

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Section: Discussionmentioning

confidence: 99%

New records of the ragged-tooth shark, Odontaspis ferox, from the western North Atlantic Ocean, with a summary of regional occurrences

Higgs

Hoffmayer

Driggers

et al. 2022

bms

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show abstract

“…Isotopic niche analyses followed Suca & Llopiz (2017) and Suca et al (2018). Briefly, standard ellipse areas using the variance and covariance of δ 13 C bulk and δ 15 N bulk values were calculated with a sample size correction using the following equation:…”

Section: Isotopic Niche Width and Overlapmentioning

confidence: 99%

Stable isotope analysis indicates resource partitioning and trophic niche overlap in larvae of four tuna species in the Gulf of Mexico

Laiz‐Carrión¹,

Gerard²,

Suca³

et al. 2019

Mar. Ecol. Prog. Ser.

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In this study we assessed the trophic ecology of bluefin tuna Thunnus thynnus larvae from the Gulf of Mexico, together with the co-occurring larvae of blackfin tuna T. atlanticus, bullet tuna Auxis rochei, and skipjack Katsuwonus pelamis, using both bulk-tissue stable isotope analysis (SIA bulk) and compound-specific analysis of amino acids (CSIA AA). Bulk nitrogen (δ 15 N bulk) and carbon (δ 13 C bulk) values differed significantly among species, suggesting partitioning of resources due to an adaptive process allowing these tunas to share the ecosystem's trophic resources during this early life period. K. pelamis had the largest isotopic niche width, likely due to piscivorous feeding at an earlier age compared to the other species, with an isotopic niche overlap of 17.5% with T. thynnus, 15.8% with T. atlanticus, and 31.2% with A. rochei. This trophic overlap suggests a mix of competition and trophic differentiation among these 4 species of tuna larvae. Higher nitrogen isotopic signatures in preflexion versus postflexion larvae of T. thynnus measured using both SIA bulk and CSIA AA indicate maternal isotopic transmission, as well as 'capital breeder'-like characteristics. In contrast, the nitrogen isotopic ratios of the other 3 species were similar between ontogenetic stages. These observations suggest different breeding strategies within the study area for T. atlanticus, K. pelamis, and A. rochei compared to T. thynnus. No significant differences were observed among the 4 species' trophic positions (TPs) estimated by CSIA AA , whereas a higher TP was observed for T. thynnus by SIA bulk. These differences in TP estimation may be attributed to discrepancies in baseline estimates.

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Feeding ecology of Japanese Spanish mackerel (Scomberomorus niphonius) along the eastern coastal waters of China

Sui

Xue

et al. 2021

Acta Oceanol. Sin.

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Trophic ecology of barrelfish (Hyperoglyphe perciformis) in oceanic waters of southeast Florida

Cited by 4 publications

References 45 publications

New records of the ragged-tooth shark, Odontaspis ferox, from the western North Atlantic Ocean, with a summary of regional occurrences

New records of the ragged-tooth shark, Odontaspis ferox, from the western North Atlantic Ocean, with a summary of regional occurrences

Stable isotope analysis indicates resource partitioning and trophic niche overlap in larvae of four tuna species in the Gulf of Mexico

Feeding ecology of Japanese Spanish mackerel (Scomberomorus niphonius) along the eastern coastal waters of China

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