The Mochokidae are a family of catfishes that are known as the squeakers and upside-down catfish. There are nine genera and about 200 species of mochokids. All the mochokids are freshwater species originating from Africa.
Synodontis nigriventris, the blotched upside-down catfish, is a species of upside-down catfish native to the Congo Basin of Cameroon, the Democratic Republic of the Congo and the Republic of the Congo.
The name upside-down catfish is most commonly used by aquarists to refer to the mochokid catfish Synodontis nigriventris alternately known to ichthyologists as the blotched upside-down catfish or false upside-down catfish. However, a number of other fish may also be known by this name:
Ischnocnema nigriventris is a species of frog in the family Brachycephalidae. It is endemic to the Serra do Mar in eastern São Paulo state, Brazil. Until a population was found in Bertioga in 2006, the species was only known from the brief species description published in 1925 and a single specimen collected in the 1980s.
Phytosus nigriventris is a species of rove beetle in the Staphylinidae family.
Astathini is a tribe of longhorn beetles of the Lamiinae subfamily. It was described by Thomson in 1864.
Plaxomicrus is a genus of longhorn beetles of the subfamily Lamiinae.
Plaxomicrus ellipticus is a species of beetle in the family Cerambycidae. It was described by Thomson in 1857.
Plaxomicrus latus is a species of beetle in the family Cerambycidae. It was described by Gahan in 1901.
Plaxomicrus oberthuri is a species of beetle in the family Cerambycidae. It was described by Gahan in 1901.
Plaxomicrus pallidicolor is a species of beetle in the family Cerambycidae. It was described by Pic in 1912. It is known from China and Vietnam.
Plaxomicrus sikkimensis is a species of beetle in the family Cerambycidae. It was described by Breuning in 1956. It is known from India.
Plaxomicrus szetschuanus is a species of beetle in the family Cerambycidae. It was described by Breuning in 1956.
Plaxomicrus violaceomaculatus is a species of beetle in the family Cerambycidae. It was described by Pic in 1912.
Adesmus nigriventris is a species of beetle in the family Cerambycidae. It was described by Fleutiaux and Sallé in 1889. It is known from Guadeloupe.
Oberea nigriventris is a species of beetle in the family Cerambycidae. It was described by Henry Walter Bates in 1873. It is known from Malaysia, Japan, Laos, Vietnam, China, Myanmar, and Taiwan.
Phytoecia nigriventris is a species of beetle in the family Cerambycidae. It was described by Hermann Julius Kolbe in 1893, originally under the genus Blepisanis. It has a wide distribution in Africa.
Anthrax nigriventris is a species of bee flies.
Proctacanthus nigriventris is a species of robber flies.
