The Kessler's gudgeon is a European species of freshwater fish in the family Cyprinidae. It is found in the Danube and Vistula drainage basins, including parts of Poland, Austria, the Czech Republic, Ukraine, Bulgaria, Romania, Moldova, Hungary, Croatia, Bosnia and Herzegovina, Serbia, Montenegro, Slovakia, and Slovenia. It is a small fish of no economic or sporting importance. It was at one time classified as Gobio kessleri.
Goodea is a genus of splitfins that are endemic to Mexico. They are found in a wide range of habitats in several river basins that originate in the Central Plateau, such as Pánuco, Lerma–Chapala–Grande de Santiago and Balsas. Overall this genus is among the most widespread and successful splitfins, although they also have declined and the relatively restricted G. gracilis is considered vulnerable by the IUCN. This genus includes the largests splitfins, reaching a standard length of up to 20 cm (8 in). They are primarily herbivores, but also take small organisms like tiny crustaceans and snails. The is named in honour of the American ichthyologist George Brown Goode (1851-1896).
Phallostethus dunckeri is a species of fish in the family Phallostethidae. It is endemic to Malaysia.
Enteromius aloyi is a species of ray-finned fish in the genus Enteromius. It is known only from its type locality on the Ntem River, Equatorial Guinea.
Schizopygopsis kessleri is a species of ray-finned fish endemic to China.
Austrolebias bellottii, the Argentine pearlfish, is a species of killifish from the family Rivulidae which occurs in the basins of the Paraná River and Uruguay River, in Argentina and Uruguay. This species was described as Cynolebias bellottii by the Austrian ichthyologistFranz Steindachner in 1881 from types collected at La Plata, Argentina. The specific name honours the Italian biologist and paleontologist Cristoforo Bellotti (1823-1919), who supplied Steindachner with specimens from his collection at Museo Civico di Storia Naturale di Milano. It is the type species of the genus Austrolebias.
Benthophilus kessleri is a species of goby widespread along the eastern coasts of the Caspian Sea from the Urdyuk Cape to Kuuli Cape and Türkmenbaşy at south. This species occurs at depths of from 65 to 75 metres. It can reach a length of 4.6 centimetres (1.8 in) TL. The specific name honours the German-Russian zoologist Karl Fedorovich Kessler (1815-1881).
Bario steindachneri is a species of characin from Brazil and Peru. It is the only member of its genus. It is found in a freshwater environment within a pelagic depth range in a tropical climate.
Erythrinus is a genus of relatively small trahiras, freshwater fish from tropical South America.
Hoplias lacerdae is a predatory freshwater characin fish from South America. The are commonly known are trairão in Brazilian Portuguese.
Anostomus ternetzi is a fish in the family Anostomidae.
Schizodon knerii is a fish in the family Anostomidae from South America.
Schizodon borellii is a fish in the family Anostomidae from South America.
Lamnostoma taylori is an eel in the family Ophichthidae. It was described by Albert William Herre in 1923, originally under the genus Caecula. It is a tropical, freshwater eel which is known from the Philippines in Asia, where it inhabits rivers near the sea. Males can reach a maximum standard length of 16.4 centimetres (6.5 in).
Patagonotothen is a genus of marine ray-finned fishes, belonging to the family Nototheniidae, the notothens or cod icefishes. They are native to the southeast Pacific Ocean, southern Atlantic Ocean and the Southern Ocean.
Ogilbyina is a genus of ray-finned fishes from the subfamily Pseudochrominae, which is one of four subfamilies in the dottyback family Pseudochromidae. They are found in the tropical western Pacific Ocean. The genus name honours the zoologist James Douglas Ogilby (1853-1925) of the Queensland Museum.
Helen K. Larson is an ichthyologist who specialises in the fishes of the Indo-Pacific.
Goodea luitpoldii, the green goodea, is a species of killifish from the family Goodeidae which is endemic to the drainage basin of the Lerma River and the Grande de Santiago River in Mexico. This species was Species description described as Characodon luitpoldii by the Franz Steindachner in 1894 with the type locality given as Lake Pátzcuaro in Michoacán. The identity of the person honoured in its specific name is unknown but it is thought likely to be Luitpold, Prince Regent of Bavaria (1821-1912) whose daughter, Princess Therese of Bavaria (1850-1925) was an explorer and amateur naturalist and she collected the type.
Hoplerythrinus gronovii is a species of trahira. It is a tropical, pelagic freshwater fish.
Leporinus enyae is a species of Leporinus fish discovered 2017 in the Orinoco River drainage area. It is named after the Irish singer Enya, whose major music hit "Orinoco Flow" deals with the Orinoco River, among others.
