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2009•Unpublished venueOpen access

Stomach content analysis of the Indian mackerel Rastrelliger kanagurta (Cuvier) from Calicut, Kerala

M Sivadas, M. Bhaskaran

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Abstract

The food and feeding of the Indian mackerel Rastrelliger kanagurta was studied from Calicut based on 1,551 fishes ranging in size from 100 to 280 mm total length (TL) collected from both multi-day trawlers and ring net during the period January to December 2006. There was a preponderance of empty stomachs in all the months. The dominant food item was copepod. Sand and foraminiferans also formed part of the stomach content. The fish, Bregmaceros sp. was noticed for the first time in the adult mackerel.

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What this paper is about

The food and feeding of the Indian mackerel Rastrelliger kanagurta was studied from Calicut based on 1,551 fishes ranging in size from 100 to 280 mm total length (TL) collected from both multi-day trawlers and ring net during the period January to December 2006. There was a preponderance of empty stomachs in all the months. The dominant food item was copepod. Sand and foraminiferans also formed part of the stomach content. The fish, Bregmaceros sp. was noticed for the first time in the adult mackerel.

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Available abstract

The food and feeding of the Indian mackerel Rastrelliger kanagurta was studied from Calicut based on 1,551 fishes ranging in size from 100 to 280 mm total length (TL) collected from both multi-day trawlers and ring net during the period January to December 2006. There was a preponderance of empty stomachs in all the months. The dominant food item was copepod. Sand and foraminiferans also formed part of the stomach content. The fish, Bregmaceros sp. was noticed for the first time in the adult mackerel.

Key concepts: Fishery, Mackerel, Fish <Actinopterygii>, Copepod, Biology, Animal science, Crustacean

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Stomach content analysis of the Indian mackerel Rastrelliger kanagurta (Cuvier) from Calicut, Kerala — Research Paper | ScholarLens