Feeding ecology of some fish species occurring in artisanal fishery of Socotra Island (Yemen)
- PMID: 26880127
- DOI: 10.1016/j.marpolbul.2016.01.051
Feeding ecology of some fish species occurring in artisanal fishery of Socotra Island (Yemen)
Abstract
The demersal species Lethrinus borbonicus, Lethrinus mahsena, Lethrinus microdon, Lethrinus nebulosus, Lutjanus bohar, Lutjanus gibbus, Lutjanus kasmira, Epinephelus fasciatus, Epinephelus stoliczkae, Carangoides gymnostethus and Euthynnus affinis are important coastal fishes species of the northern coast of Socotra (Yemen), exploited by local fishery. The biology and feeding ecology of these species are poorly known in the area. A total of 1239 specimens were sampled from the main fishing landing site of the island (Hadibo). Total length and weight were measured, stomach contents were analyzed, diet overlap, Fulton's Condition index, and trophic levels were estimated. C. gymnostethus, L. microdon and L. kasmira occupied the highest position (T=4.50), L. nebulosus occupied the lower one (TL=3.41). The role of the increasing abundance of small pelagic fish in the diet of many species after the upwelling event is evident, but also different feeding strategies are reported, according to fish ecology.
Keywords: Coral reef fishes; Feeding habits; Socotra Island; Trophic ecology.
Copyright © 2016 Elsevier Ltd. All rights reserved.
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