Reading: Shedding of gill epithelia by grey mullets (Family Mugilidae) in Negombo Estuary, Sri Lanka

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Shedding of gill epithelia by grey mullets (Family Mugilidae) in Negombo Estuary, Sri Lanka

Authors:

Menaka Gammanpila ,

LK
About Menaka

Natioanl Aquatic Resources Research and Development Agency, Regional Research Centre, Kadolkelle, Negombo 11500, Sri Lanka

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M. Jayantha S. Wijeyaratne,

LK
About M. Jayantha

Department of Zoology and Environmental management, University of Kelaniya, Kelaniya 11600

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Upali S. Amarasinghe

LK
About Upali
Department of Zoology and Environmental management, University of Kelaniya, Kelaniya 11600
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Abstract

The grey mullets (Family: Mugilidae) have been described as plankton feeders, herbivores, omnivores, slime feeders, foul feeders, bottom feeders, etc. In general, grey mullets are known to be benthic feeders. During a comprehensive trophic ecological study of fish assemblages in brush-parks in the Negombo estuary, Sri Lanka, carried out from 2014 to 2016, a food item that was not found in the aquatic environment, such as zooplankton, phytoplankton, macrophyte or detritus, was observed in the gut contents of mugilids. In this communication, the authors report that the frequency of occurrence of these peculiar items in the gut contents were shedded gill epithelia. Even though shedded gill epithelia were not considered as a food item, they were the most common item in the stomach contents contributing to 49.9% of the mean volume of stomach contents.

 

How to Cite: Gammanpila, M., Wijeyaratne, M.J.S. & Amarasinghe, U.S., (2016). Shedding of gill epithelia by grey mullets (Family Mugilidae) in Negombo Estuary, Sri Lanka. Sri Lanka Journal of Aquatic Sciences. 21(2), pp.151–155. DOI: http://doi.org/10.4038/sljas.v21i2.7509
Published on 24 Jun 2016.
Peer Reviewed

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