Identificador persistente para citar o vincular este elemento: http://hdl.handle.net/10553/74645
Título: Contribution to the reproductive ecology of Notoscopelus resplendens (Richardson, 1845) (Myctophidae) in the Central-Eastern Atlantic
Autores/as: Sarmiento Lezcano, Airam Nauzet 
Triay-Portella, R. 
Guerra Marrero, Airam Manuel 
Jiménez-Alvarado, D.
Rubio-Rodríguez, U.
Núñez González, Raibel Zelideth 
Bordes Caballero,Fernando 
Castro, J.J. 
Clasificación UNESCO: 2401 Biología animal (zoología)
240114-4 Taxonomía animal. Peces
310510 Dinámica de las poblaciones
Palabras clave: Notoscopelus resplendens
Canary islands
Fecha de publicación: 2020
Publicación seriada: Scientific Reports 
Resumen: Notoscopelus resplendens is an abundant myctophid in the region of the Central-Eastern Atlantic. As with a majority of other myctophid species, this species performs vertical migration, playing a key role in the oceanic food web and in carbon sequestration. We examined the reproductive biology of N. resplendens based on 579 specimens caught between 1997 and 2002 off the Canary Islands. We found that the maximum standard length (SL) was lower than the size reported by other authors. The sex ratio was not different from 1:1. The average size at first maturity (L50) was higher in females (60.34 mm SL) than in males (56.61 mm SL). The gonadosomatic index (GSI) at 50% sexual maturity in females was higher than that in males. The reproductive activity was observed from January to April, while from May onwards, the majority of fish caught were in the process of maturation. The macroscopic scale of maturation was validated through the histological analysis of the ovarian development. The batch fecundity was related to the standard length, with an average of 1068.69 ± 369.84 eggs/spawn. These first data obtained for N. resplendens indicated that it is a batch spawner with asynchronous ovarian development.
URI: http://hdl.handle.net/10553/74645
ISSN: 2045-2322
DOI: 10.1038/s41598-020-72713-0
Fuente: Scientific Reports [EISSN 2045-2322], v. 10 (1), 15821, (Diciembre 2020)
Colección:Artículos
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