Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/52221
Title: Feeding ecology of chub mackerel scomber japonicus in the canary islands area
Authors: Castro, J. J. 
UNESCO Clasification: 240114-4 Taxonomía animal. Peces
2401 Biología animal (zoología)
Issue Date: 1993
Publisher: 0257-7615
Journal: South African Journal of Marine Science 
Abstract: The feeding ecology of juvenile (<13,5 cm total length TL), immature (13,6–22,5 cm TL) and adult (>2,6 cm TL) chub mackerel Scomber japonicus was studied off the Canary Islands between March 1988 and May 1989. Copepods were numerically the most abundant prey item, but in terms of mass, mysids were dominant. Diets differ between fish from the Canary Islands and those from the North-West African shelf, which feed mainly on euphausiids. Two shifts in diet occurred with age. Juveniles consumed copepods, appendicularians and small fish, immature fish fed on mysids and copepods, and adults ate a greater proportion of fish.
URI: http://hdl.handle.net/10553/52221
ISSN: 0257-7615
DOI: 10.2989/025776193784287400
Source: South African Journal of Marine Science [ISSN 0257-7615], v. 13, p. 323-328
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