Siamese algae eater
| Siamese algae eater | |
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| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Cypriniformes |
| Family: | Cyprinidae |
| Genus: | Crossocheilus |
| Species: | C. oblongus |
| Binomial name | |
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Crossocheilus oblongus Kuhl & van Hasselt, 1823 |
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The Siamese algae eater (Crossocheilus oblongus) is a species of freshwater fish in the carp family, Cyprinidae. This bottom-dwelling tropical fish is found in mainland Southeast Asia, including the Chao Phraya and Mekong basins as well as the Malay Peninsula. Its natural habitats are streams and rivers as well as flooded forests during the rainy season. The Siamese algae eater should not be confused with the Flying fox (Epalzeorhynchos kalopterus) or the False siamensis (Garra cambodgiensis).
The Siamese algae eater has a black horizontal stripe extending from opercle to tail. The stripe can fade to camouflage the Siamese algae eater against its surroundings. Genuine Crossocheilus siamensis, without maxillary barbels and with deeply fringed V-shaped upper lip are rarely encountered in the aquarium trade.
Closely related is the Red-algae eater Crossocheilus langei, a species that is widely sold as the Siamese algae eater. It has a bright brownish elongate body with a slightly flat belly. It has a prominent brown-black horizontal stripe extending from nose to tail. This fish may grow to measure up to 16 centimetres (6.3 in). It possesses small maxillary barbels and an unfringed shallowly arcuate upper lip. Two other similar species are traded as Siamese algae eaters, namely Crossocheilus atrilimes, a species that prefers Java moss than red algae, and an undescribed species of Crossocheilus.
The hardy red algae eater Crossocheilus langei is commonly found in the aquarium trade and is one of the most popular and effective tank algae cleaners. They are active and fast swimmers that will school together if kept in a group, but some individuals may display aggression to their own kind or related fish. In general, the red-algae eater can be kept in most community tanks and is reportedly much less aggressive than similar fish such as the Chinese algae eater or the red-tailed black shark.
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Wikipedia