Identificador persistente para citar o vincular este elemento: http://hdl.handle.net/10553/72728
Título: Migratory patterns, vertical distributions and diets of Abralia veranyi and Abraliopsis morisii (Cephalopoda: Enoploteuthidae) in the eastern North Atlantic
Autores/as: Guerra Marrero, Airam Manuel 
Hernández-García, Vicente 
Sarmiento Lezcano, Airam Nauzet 
Jiménez-Alvarado, David
Pino, Angelo Santana Del 
Castro, José J. 
Clasificación UNESCO: 240119 Zoología marina
240102 Comportamiento animal
Fecha de publicación: 2020
Publicación seriada: Journal of Molluscan Studies 
Resumen: Abralia veranyi and Abraliopsis morisii were the most abundant cephalopods caught during epipelagic and mesopelagic surveys off the Canary Islands and accounted for 26% and 35% of the cephalopod catch, respectively. Diel vertical migration patterns were observed in both species. At night, A. veranyi was recorded at depths as shallow as 38-90 m, whereas Abraliopsis morisii occurred at depths of 98-219 m. As individuals grow in mantle length, their diet changes substantially. Abraliopsis morisii showed ontogenetic shifts at 22.9 mm and 35.3 mm dorsal mantle length (DML), while A. veranyi showed ontogenetic shifts at 20.5 mm and 30.9 mm DML. Prior to the first ontogenic shift, both species fed mainly on copepods and mysids. After this shift they fed on larger prey, such as decapods and fish; the diets of larger individuals also contained cephalopods.
URI: http://hdl.handle.net/10553/72728
ISSN: 0260-1230
DOI: 10.1093/mollus/eyz029
Fuente: Journal of Molluscan Studies [ISSN 0260-1230], v. 86 (1), p. 27-34, (Febrero 2020)
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