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. 2009 Aug 21;6(8):2307–2331. doi: 10.3390/ijerph6082307

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© 2009 by the authors; licensee Molecular Diversity Preservation International, Basel, Switzerland.

This article is an open-access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/3.0/).

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Figure 6. — Gill Deformites.

Upper Left: Gill arch deformities in tilapia collected from Tongkong River mouth. Lower Left: Gill rakers deformities (arrow) in tilapia collected from TKS station of Tongkong River. Upper Right: Gill arch deformities in tilapia collected from Tongkong River mouth. Lower Right: Gill arch, gill filament and gill rakers deformities in tilapia collected from TKS station of Tongkong River. All samples collected in September, 1995.