Gempylus serpens


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Noun1.Gempylus serpens - predatory tropical fishes with jutting jaws and strong teeth
family Gempylidae, Gempylidae - snake mackerels
gempylid - snake mackerels; elongated marine fishes with oily flesh; resembles mackerels; found worldwide
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The species were the following: bigeye tuna (Thunnus obesus); albacore (Thunnus alalunga); longnose lancetfish (Alepisaurus ferox); blue shark (Prionace glauca); dolphinfish (Coryphaena hippurus), also known as mahi mahi; skipjack tuna (Katsuwonus pelamisY, yellowfin tuna (Thunnus albacares); striped marlin (Kajikia audax); sickle pomfret (Taractichthys steindachneri); snake mackerel (Gempylus serpens); and escolar (Lepidocybium flavobrunneum).
Length-length and length-weight relationships of oilfish (Ruvettus pretiosus), escolar (Lepidocybium flavobrunneum), snake mackerel (Gempylus serpens), and longnose lancetfish (Alepisaurus ferox) from the Gulf of Mexico and the western North Atlantic Ocean, Journal of Applied Ichthyology 30: 241-243, 2014.
20 0.2 1.6 Gempylidae Gempylus serpens 9 <0.1 1.1 Gempylus nasiitus 1 <0.1 0.5 No identificados 2 <0.1 0.9 * Scombridae Auxis rochei 1 <0.1 0.4 * Thiinnus atlanticus 6 <0.1 1.3 * No identificados I <0.1 0.9 * Xiphiidae Istiophoms 14 0.1 LO * platypteriis Makaira nigricans 1 <0.1 0.4 * Xiphias gladius 2 <0.1 0.5 * No identificados 1 <0.1 0.6 Nomeidae Cubiceps 1 <0.1 0.5 pauciradiatus Cubiceps spp.
The most commonly discarded bony fishes were the longnose lancetfish (Alepisaurus ferox) and snake mackerel (Gempylus serpens), accounting for 28.6% and 26.7% of discards, respectively.
Catch rates for apex predators such as blue shark (Prionace glauca), bigeye (Thunnus obesus) and albacore (Thunnus alalunga) tunas, shortbill spearfish (Tetrapturus angustirostris), and striped marlin (Tetrapturus audax) declined by 3% to 9% per year and catch rates for four midtrophic species, mahimahi (Coryphaena hippurus), sickle pomfret (Taractichthys steindachneri), escolar (Lepidocybium flavobrunneum), and snake mackerel (Gempylus serpens), increased by 6% to 18% per year.