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Catfish (1) Named for their prominent barbels, which give the image of cat-like whiskers, they are found primarily in freshwater environments of all kinds, with species on every continent except Antarctica. Catfish have no scales. | Barbs (2) is a very common generic term for many species of fish. Not only are 'barbs' found in the genus Barbus but throughout the Cyprinidae. |
Goldfish (5) The goldfish was one of the earliest fish to be domesticated, and is still one of the most commonly-kept aquarium fish. A relatively small member of the carp family (which also includes the koi and the Crucian carp), it may grow to a maximum length of 23 inches (59.0 cm) and a maximum weight of 6.6 lb (3.0 kg). Although this is rare, as most individuals grow to under half this size. |
Cichlids (5) The family Cichlidae is large and very diverse. It includes some 2000 species, in sizes that range from 3 cm (e.g. Apistogramma) to close to a metre (Boulengerochromis, Cichla), and with morphologies ranging from highly compressed (Pterophyllum, Symphysodon, Altolamprologus) to extremely elongated (Teleogramma, some Crenicichla spp.). |
Tetras (6) Small South American freshwater fish belonging to the family Characidae. Many of these, such as the neon tetra, are brightly colored and easy to keep in captivity, and extremely popular for home aquaria. |
Loaches (3) Loaches are small bottom-dwelling freshwater fishes with a flattened ventral profile. There are 160 different species of them. Loaches are mostly scavengers and are omnivorous, usually not very picky about their food. |
Algae Eaters (3) Collection of algae eaters that are especially useful to the planted aquarists. Different algae eaters have preferences for different types of algae, so it is good to have a variety of algae eaters in any planted aquariums. |