Stocking Fish Tips: For new tanks, be sure the fish that you add to your tank are hardy. After the tank has aged for a few months, less hardy fish can be added. A tank needs to “mature” (complete the aquarium nitrogen cycle) before it can accomodate certain species of fish. Submitted by: Dahly
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Upside-down catfish, Synodontis nigriventris, is a species of catfish. It’s particularly noteworthy because of its habit of swimming upside down most of the time. Upside-down catfish originate from the Central Congo basin of Africa.
Upside-down catfish are small, reaching a maximum of 9.6 centimetres (4 in). Like other members of the mochikidae family, they have large eyes, a large dorsal fin and three pair of barbels. Upside-down catfish are adapted to spend most of their time upside-down. This is reflected in the fish’s pigmentation—their bellies are darker than their backs, a form of countershading.
These fish are mostly nocturnal, and feed on insects, crustaceans, and plant matter. These fish lay eggs. The young fish do not swim upside-down until they are about two months old.
The upside-down catfish is well suited to aquariums because of its small size (typically 9 or 10 cm or less) and peaceful demeanor. They should be kept in shools of 3 minimum for best effect. They should be fed a variety of good quality flake food, tablet food, froozen bloodworm and livefood as daphnia. Provide caves or ledges to them to loaf in.