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Monday 29 October 2012

Airsac Catfish

The peculiar looking airsac catfish, known from only a few specimens , is an air-breathing, freshwater fish. A long air sac that extends back from the gill chamber acts like a lung and enables the catfish to breathe air . It has a long body that narrows to a pointed head, and four pairs of barbels (fleshy projections) protrude from around the mouth. The airsac catfish has a short fin on its back, a long fin on the rear underside of the body, and a rounded tail fin. Despite their tiny size, airsac catfish are dreaded by local fisherman due to the sharp poisonous spine in each pectoral fin that can inflict a painful sting on any person wading in its territory.