
Banded killifish
Fundulus diaphanus
Fundulidae

Fundulus diaphanus
Fundulidae
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Inhabits shallow, quiet margins of lakes, ponds and sluggish streams, usually over sand or mud and often near vegetation. Enters brackish water. Forms schools a few inches below surface of water. Euryhaline and salinity-tolerant. Feeds on small crustaceans, mollusks and worms. Not a seasonal killifish. Is easy to maintain in the aquarium.
Streams and ponds in North America are often cool. How to set up an aquarium without a heater, with pygmy sunfish, shiners and darters.
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.