
Wrestling halfbeak
Dermogenys pusilla
Zenarchopteridae

Dermogenys pusilla
Zenarchopteridae
Know what is missing? Suggest it in the app.
Found in rivers, rivulets, canals, drains, ponds and lakes. Rarely found in the sea. Inhabits medium to large rivers, flooded fields and mainly stagnant waters including sluggish flowing canals of the lower Mekong. Most common in areas with floating plants or rooted aquatics that reach the surface. Larvae and early juveniles are sometimes found in the upper reaches of mangroves during the wet season. A live-bearer species. Feed on worms, crustaceans and insects. Rarely taken in commercial catches, although it may be found in subsistence catches. Not seen in markets.
Two aquariums from Southeast Asia: calm forest streams and peat swamps with soft, brown water, and fast mountain streams with cool, oxygen-rich water.
From the store to the tank: how to get the fish used to your water, why you should add only a few at a time, and what to watch for in the first few days.
Why new fish should live in a tank of their own for a few weeks before they move in, what you need, and what to look for.
The most common disease in aquarium fish. How to recognize it, why it shows up, and how to get rid of it.