Unusual record of a multiple predation of the Patagonian seahorse Hippocampus patagonicus by the Narrownose smooth-hound Mustelus schmitti in Argentine coastal waters
Seahorses (Genus Hippocampus) are rarely reported as prey items. Their low population numbers, their ability to blend with the environment and their low palatability are the features making them an unsuitable option for predators. Five individuals of the Patagonian seahorse Hippocampus patagonicus w...
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Veröffentlicht in: | Marine & Fishery Sciences 2021, Vol.34 (2), p.269-274 |
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Format: | Artikel |
Sprache: | eng |
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Zusammenfassung: | Seahorses (Genus Hippocampus) are rarely reported as prey items. Their low population numbers, their ability to blend with the environment and their low palatability are the features making them an unsuitable option for predators. Five individuals of the Patagonian seahorse Hippocampus patagonicus were found in the stomach of a single narrownose smooth-hound shark Mustelus schmitti from a sample of 959 stomachs analyzed. This rare record in a single stomach out of hundreds analyzed suggests that these individuals might have clustered in a group which was detected by the opportunistic M. schmitti.
Los caballitos de mar (Género Hippocampus) raramente son reportados como presas. Su baja densidad poblacional, su habilidad para confundirse entre su entorno y su baja palatabilidad son características que los hacen una opción poco atractiva para depredadores. Cinco individuos del caballito de mar patagónico Hippocampus patagonicus fueron encontrados en un único estómago del análisis de una muestra de 959 estómagos del tiburón gatuzo Mustelus schmitti. Este inusual registro en un solo estómago de los cientos analizados sugiere que los caballitos de mar se encontraban agrupados cuando fueron detectados por el tiburón de hábitos oportunistas M. schmitti. |
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ISSN: | 2683-7951 2683-7595 |