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Marine and Freshwater Research Marine and Freshwater Research Society
Advances in the aquatic sciences
RESEARCH ARTICLE

Biology of Leiognathus decorus (Leiognathidae) in Sulaibikhat Bay, Kuwait

JM Wright

Australian Journal of Marine and Freshwater Research 40(2) 179 - 185
Published: 1989

Abstract

During a survey between September 1986 and August 1988 of the fish assemblage in Sulaibikhat Bay, Kuwait, large numbers of Leiognathus decorus were captured in depths between 0.6 and 8.0 m with an otter trawl. Catch size of L. decorus differed markedly between years, a characteristic of seasonal tropical environments that are dominated by small, fast-growing species. L. decorus was not caught in the cold winter months of December and January. Large fish congregated for spawning in the subtidal zone (4 to 8 m depth) in spring (March-April). Young of the year recruited to the intertidal zone (0.6 to 2 m depth) in May and remained until November, returning in February and March as the spawning stock. Smaller fish (< 69 mm) consumed a large proportion of calenoid copepods as well as benthic invertebrates, whereas larger fish consumed almost exclusively benthic invertebrates. Both size groups ate chlorophytes, particularly during a spring bloom.

https://doi.org/10.1071/MF9890179

© CSIRO 1989

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