
Common spiny loach
Lepidocephalichthys thermalis
Cobitidae

Lepidocephalichthys thermalis
Cobitidae
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Found usually in quiet, flowing waters with a sandy substrate. Feeds mainly on detritus, but also algae.
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.
The most common disease in aquarium fish. How to recognize it, why it shows up, and how to get rid of it.
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.