
Shuttles hoppfish
Periophthalmus modestus
Oxudercidae, Periophthalminae

Periophthalmus modestus
Oxudercidae, Periophthalminae
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Lives wild in China, Hong Kong SAR China, Japan, North Korea, South Korea, Taiwan, and Vietnam.
Intertidal, actively shuttling back and forth between rock pools and air. They breathe air when out of water. Can stay out of the water for up to 22-60 hours if kept moist. Inhabits level mudflats with no vegetation. Found in estuaries, swamps, marshy areas and tidal mud flats. Moves around briskly on land preying on small animals. Used in Chinese medicine.
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.