Cercyon is a genus of water scavenger beetles in the family Hydrophilidae. There are at least 50 described species in Cercyon.
Cercyon praetextatus is a species of water scavenger beetle in the family Hydrophilidae. It is found in the Caribbean Sea, Central America, North America, and South America.
Cercyon impressus is a species of water scavenger beetle in the family Hydrophilidae. It is found in Europe & Northern Asia and North America.
Cercyon cinctus is a species of water scavenger beetle in the family Hydrophilidae. It is found in North America.
Cercyon limbatus is a species of water scavenger beetle in the family Hydrophilidae. It is found in North America.
Cercyon quisquilius is a species of water scavenger beetle in the family Hydrophilidae. It is found in Africa, Australia, Europe & Northern Asia, Central America, North America, Oceania, South America, and Southern Asia.
Cercyon luniger is a species of water scavenger beetle in the family Hydrophilidae. It is found in Central America and North America.
Cercyon marinus is a species of water scavenger beetle in the family Hydrophilidae. It is found in Europe & Northern Asia, North America, and Southern Asia.
Cercyon mendax is a species of water scavenger beetle in the family Hydrophilidae. It is found in North America.
Cercyon unipunctatus is a species of water scavenger beetle in the family Hydrophilidae. It is found in Europe & Northern Asia, North America, and Southern Asia.
Cercyon haemorrhoidalis is a species of water scavenger beetle in the family Hydrophilidae. It is found in Australia, Europe & Northern Asia, North America, and Southern Asia.
Cercyon assecla is a species of water scavenger beetle in the family Hydrophilidae. It is found in North America.
Cercyon laminatus is a species of water scavenger beetle in the family Hydrophilidae. It is found in Europe & Northern Asia, Oceania, Southern Asia, and North America.
Cercyon littoralis is a species of water scavenger beetle in the family Hydrophilidae. It is found in Europe & Northern Asia and North America.
Cercyon ustulatus is a species of water scavenger beetle in the family Hydrophilidae. It is found in Europe & Northern Asia and North America.
Cercyon adumbratus is a species of water scavenger beetle in the family Hydrophilidae. It is found in North America.
Cercyon analis is a species of water scavenger beetle in the family Hydrophilidae. It is found in Australia, Europe & Northern Asia, and North America.
Cercyon floridanus is a species of water scavenger beetle in the family Hydrophilidae. It is found in North America.
Cercyon fimbriatus is a species of water scavenger beetle in the family Hydrophilidae. It is found in Central America and North America.
Adrianichthys roseni is a species of ricefish, a member of the family Adrianichthyidae which is endemic to Lake Poso on Sulawesi. Since the holotype was collected in 1978 there have been no reports of this species and if it still exists then it has a very low population. The IUCN categorise it as Critically Endangered. The specific name honours Donn E. Rosen (1929-1986) of the American Museum of Natural History.
