Determination of Indicators of Malabar trevally (Carangoides malabaricus) (Bloch & Schneider, 1801) in the waters of Hormozgan Province (Oman Sea and Persian Gulf)

Document Type : (original research)

Authors

1 Department of Marine Biology, Science and Research Branch, Islamic Azad University, Tehran, Iran

2 Department of Fisheries, Faculty of Marine Science and Technology, Hormozgan University, Bandar Abbas, Iran

3 Iran Fisheries Science Research Institute, Agricultural Research and Training Organization, Tehran, Iran

Abstract

This study was conducted to feeding behavior of the Malabar trevally (Carangoides malabaricusin( in the Persian Gulf and Oman Sea. This study was conducted on the diet of the Malabar trevally (C. malabaricus) in the Persian Gulf and Oman Sea (Hormozgan province) for 12 months from December 2016 to November 2016. Sampling was done with trawl nets and expected nets. 438 specimens of the Malabar trevall (C. malabaricus) were selected for dietary examination. Results of descriptive bioassay data indicated that the maximum total length was 365 mm (in May) and the minimum total length was 140 mm (in September) and the maximum weight was 534.5 g and minimum was 57.8 g. During the study period, the mean total fish length was 261 ± 18.41 mm and the mean fish weight was 191.78 25 25.35 g. The GASI index showed a peak feeding in June. Gastric emptying index (CV) for this species was 62.33% during the study, which can be said to be a relatively small fish. In terms of the type of food eaten, due to the volume of digested fish, Leognathus. Sp,Encrasicholina punctifer fish is considered to be the staple food for the Malabar trevall. Shrimp can be eaten as a side dish, and other varieties eaten as squid and crab can be considered as a random meal.

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References

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Journal of Animal Environment
Volume 13, Issue 1
May 2021
Pages 215-220

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