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Title: Mysids and euphausiids in the diet of Scomber japonicus Houttuyn, 1782 off the Canary Islands
Other Titles: Misidáceos y eufausiáceos en la dieta de Scomber japonicus Houttuyn, 1782 en las islas Canarias
Authors: Castro, J.J. 
UNESCO Clasification: 240114-4 Taxonomía animal. Peces
2401 Biología animal (zoología)
Keywords: Mysids
Scomber japonicus
Cariary Islands
Issue Date: 1995
Publisher: 0074-0195
Journal: Boletín - Instituto Español de Oceanografía 
Abstract: The trophic importance of mysids and euphausiids in the diet of club mackerel Scomber japonicus Houttuyn, 1782 caught between March 1988 and May 1989 off the Canary Islands was deduced from their stomach contents. Mysids constituted an unusually high proportion of the diet (in wet weight) of S. japonicus in the Canary Islands when compared with other areas of the world, and they had a much higher trophic importance than euphausiids. This is not in consonance with their relative abundance in the zooplankton around this archipelago reported by other authors. The cycle of the species of mysids in the stomach contents showed an alternation in their relative abundance. However, Anchialina agilis G.O. Sars, 1877 was the predominant species, followed by Gastrosaccus normani G.O. Sars, 1877. Breeding females of A. agilis and G. normani with larvae in the marsupium were present in the diet nearly year-round. Euphausia spp. was the most abundant euphausiid species of those identified in the stomach contents.
ISBN: 740195
ISSN: 0074-0195
Source: Boletin - Instituto Espanol de Oceanografia [ISSN 0074-0195], v. 11, p. 77-86
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