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Turkish Journal of Fisheries and Aquatic Sciences 2017, Vol 17, Num, 5     (Pages: 1073-1076)

Length–Weight Relationships of Kitefin Shark Dalatias licha, and Little Sleeper Shark Somniosus rostratus from the Western Mediterranean Sea, and Long Snouted Lancetfish Alepisaurus ferox from the Eastern North Atlantic Ocean

Ignacio de Loyola Fernández 1-2 ,José Carlos Báez 1-3 ,Salvador García-Barcelona 1 ,Juan Antonio Camiñas 1 ,osé María Ortíz de Urbina 1 ,David Macías 1

1 Spanish Institute of Oceanography(IEO), Malaga Oceanographic Center, Spain
2 University of Málaga, Departament of Animal Biology, Spain
3 Facultad de Ciencias de la Salud, Universidad Autónoma de Chile, Chile
DOI : 10.4194/1303-2712-v17_5_24 Viewed : 3797 - Downloaded : 2645 This paper provides length-weight relationships (LWR) for three species: long snouted lancetfish Alepisaurus ferox, kitefin shark Dalatias licha and little sleeper shark Somniosus rostratus. Samples were collected occasionally from 2009 to 2013. A total of 49 D. licha and 24 S. rostratus samples from the western Mediterranean Sea, and 211 samples of A. ferox from the eastern North Atlantic Ocean were recorded for LWR. For each species, regression coefficients and parameters “a” and “b” were calculated with 95% confidence interval. The LWR parameter b for all species ranged from 2.889 to 3.5048, with R2 ranging from 0.717 to 0.823. Keywords : Biometry, bycatch, fisheries, fish biology, longline.