
Galaxy rasbora
Danio margaritatus
Danionidae, Danioninae

Danio margaritatus
Danionidae, Danioninae
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CHRIS LUKHAUPMay 16, 2021
Rachel O'LearyDec 27, 2015
Rachel O'LearyMar 13, 2011
Inhabits small and shallow ponds, at most 30 cm deep and maintained by seepage or springs. The water is clear unless roiled with water temperatures of 22-24°C in January 2007. The ponds have luxuriant submerged aquatic vegetation mainly one or two species of Elodea or Anacharis (Hydrocharitaceae). Present terrestrial vegetation is open grassland. Three other species were collected in the ponds, a Microrasbora similar to M. rubescens; a small species of Yunnanilus; and a piscivorous snakehead, Channa harbourtbutleri.
Why "one cm of fish per liter" falls short, and what adult size, schools, territory and swimming zones mean for how many fish a tank can hold.
Velvet is a fast-moving parasite. Dropsy is a sign that something is seriously wrong inside the fish. How to recognize them, and what you can do.
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.