The orchid nothobranch is a species of killifish in the family Nothobranchiidae. It is endemic to the lower basin of the Rufiji River in Tanzania. Its natural habitat is temporary pools and swamps. This species is found in both a blue and red form. This species was described in 1982 by Lothar Seegers with the type biology given as the Rufiji River near Utete, eastern Tanzania. The specific name honours Seegers companion on two expeditions, the German aquarist Gerd Eggers.
Nothobranchius foerschi is a species of killifish in the family Nothobranchiidae. It is endemic to Tanzania. Its natural habitat is probably temporary pools. The specific name honours the German physician and aquaris Walter Foersch (1932-1993), who was an expert in killifish and was one of the first people to keep and breed this species.
Nothobranchius janpapi is a species of killifish in the family Nothobranchiidae. It is endemic to the Ruvu and Rufiji rivers in eastern Tanzania. Its natural habitats are small pools and ponds situated on floodplains. The specific name honours the Dutch aquarist Jan Pap, who first discovered this species in 1975 and sent examples back to the Netherlands.
Nothobranchius jubbi is a species of killifish in the family Nothobranchiidae. It occurs in north eastern Africa in Kenya, Somalia and Ethiopia in temporary pools, ditches, marshes and rain pans, normally ones without any connections to rivers. This species was described in 1979 by Rudolf Hans Wildekamp and Heinz Otto Berkenkamp with the type locality given as a pool on the road to Garsen, 17 miles north of Malindi. The specific name honours the South African meteorologist and ichthyologist Reginald A. “Rex” Jubb (1905-1987) of the Freshwater Fish Section at the Albany Museum in Grahamstown, South Africa, in recognition of his taxonomic work on the genus Nothobranchius.
Nothobranchius korthausae is a species of killifish in the family Nothobranchiidae. It is endemic to Mafia Island in Tanzania. Its natural habitat is pools, ditches and small streams. The specific name of this species honours the German aquarist Edith Korthaus who collected the type.
Nothobranchius lourensi is a species of fish in the family Nothobranchiidae. It is known only from the floodplain of the Ruvu River in eastern Tanzania where it is found in temporary pools, where the type was originally collected by Jan Lourens, a biologist with the United Nations Development Programme in Dar es Salaam and who is honoured in its specific name.
Nothobranchius luekei is a species of killifish in the family Nothobranchiidae. It is endemic to Tanzania. Its natural habitat is temporary pools. Its specific name honours the German aquarist Karl Heinz Lüke who was the first person to breed this species in an aquarium.
Nothobranchius neumanni is a species of killifish in the family Nothobranchiidae. It is endemic to Tanzania. It occurs in both perennial and seasonal wetlands including rivers, lakes and ponds where it most likely feeds on planktonic crustaceans. This species was described as Fundulus neumanni by Franz Hilgendorf in 1905. The specific name honours Hilgendorf's companion on some of his expeditions to Africa, the German ornithologist Oscar Neumann (1867-1946).
The blue notho, or Patrizi's notho is a species of killifish in the family Nothobranchiidae. It is found in Kenya and Somalia. Its natural habitat is running water. The males are usually around 5.0 centimetres (2.0 in). In the aquarium the females lay their eggs on bottom peat. This species was described as Fundulus patrizii by Decio Vinciguerra in 1927 with a type locality of the Harenaga swamps, near mouth of the Juba River in southern Somalia. Vinciguerra gave this fish the specific name of patrizii in honour of the collector of the type Saverio Patrizi Naro Montoro (1902-1957), an Italian explorer, zoologist and speleologist.
Nothobranchius steinforti is a species of killifish in the family Nothobranchiidae. It is endemic to Upper Wami River drainage, Tanzania. Its natural habitat is intermittent freshwater marshes, pools and rice fields. This species was described in 1977 by Rudolf Hans Wildekamp with the type locality given as "8 kilometers from Kimamba, Tanzania". The specific name honours the Dutch aquarist Theo Steinfort who helped collect the type and bred this species in captivity, making it available to other killifish hobbyists.
The Mnanzini nothobranch is a species of killifish in the family Nothobranchiidae. It is endemic to Kenya where it occurs on the floodplains of the lower Tana River system where it is found in temporary waterbodies and connecting streams. The specific name honours the German aquarist Manfred Willert who helped to collect the type and who donated it to Rudolf Hans Wildekamp who describe the species in 1992.
Pachypanchax omalonotus, the powder-blue panchax, is a species of Aplocheilid killifish endemic to Madagascar where it is found on the island of Nosy Be and in the Sambirano River basin and adjacent streams on the mainland. Its natural habitat is rivers.
Pachypanchax sakaramyi is a species of Aplocheilid killifish endemic to Madagascar where it is only known from Sakaramy and Antongombato Rivers with reports that it is found in several crater lakes. Its natural habitats are rivers and freshwater lakes. It is threatened by habitat loss and invasive species.
Pachypanchax arnoulti is a species of aplocheilid killifish endemic to Madagascar. Its natural habitat is rivers and lakes. It is threatened by habitat loss and invasive species. The specific name of this fish honours the French ichthyologist and herpetologist Jacques Arnoult (1914-1995) in recognition of his contributions to the knowledge of Madagascar's fish fauna. It was described by Paul V. Loiselle in 2006 with the type locality given as "Swamp draining into tributary stream of Ikopa River, flowing parallel to RN-4 at Antanimbray village, 17°10'79"S, 46°50'97"E, Betsiboka River drainage, Madagascar, elevation 246 meters".
Pachypanchax varatraza is a species of Aplocheilid killifish endemic to Madagascar where it is found in the Menambery, Fanambana and Ampanobe rivers. Its natural habitat is streams and pools. It is threatened by invasive species.
The eastcoast lampeye is a species of fish in the family Poeciliidae. It is endemic to coastal Kenya and Tanzania, where found in brackish water, mangrove swamps, pools, lagoons and river deltas. It reaches up to 5 cm (2.0 in) in total length. This fish was described by Ernst Ahl as Haplochilichthys stuhlmanni with the type locality given as Tanganyika Territory. The specific name honours the co-leader of the German East Africa Expedition (1889-1892) on which type was collected, Franz Ludwig Stuhlmann (1863-1928) of the German Colonial Service.
The Ceylon killifish (Aplocheilus dayi) is a species of killifish endemic to Sri Lanka. This species grows to a length of 9 cm (3.5 in). Males and females have a black dot at the rear end of the base of the dorsal fin. The females lay 50–150 eggs. The specific name of this fish honours the Inspector-General of Fisheries in India Francis Day (1829-1889), who first reported this fish, although he identified it as Aplocheilus panchax.
The emerald aphyosemion is a species of killifish, endemic to the lower Cross River basin in Nigeria. It is a coastal rainforest fish which lives in small streams and ponds. It prefers a temperature of around 75 °F (24 °C), and a slightly acidic pH around 6–7. The specific name honours the Danish count, army colonel, explorer and ichthyologist Jørgen J. Scheel (1916–1989).
Aplocheilus werneri is a species of killifish endemic to Sri Lanka. This species grows to a length of 7 cm (2.8 in). Its natural habitats are small, shallow, slow-flowing, heavily shaded streams and rivulets with a silt or clay substrate. They are largely use as an aquarium fish. The specific name honours the fish importer Andreas Werner who imported this species into Germany for the first time in 1964.
Pachypanchax patriciae is a species of killifish from the family Aplocheilidae. It is endemic to Madagascar where it occurs in the basins of the Mananjeba, Mahavavy du Nord, Ifasy, Manehoko and Ampandra rivers in the north west of the island. The specific name of this fish honours the Malagasy conservationist Patricia Yazgi (1946-2006), who ran the charity Friends of Fishes and who supported efforts to document and conserve the freshwater fish fauna of Madagascar. This species appears to feed mainly the adults and nymphs of terrestrial insects and on the larvae of aquatic insects and its most important predators are fish-eating birds and dragonfly nymphs. It may, however, be threatened by introduced alien fishes in some areas.
