| Mchenga | |
|---|---|
 | |
| Mchenga eucinostomus | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Cichliformes |
| Family: | Cichlidae |
| Tribe: | Haplochromini |
| Genus: | Mchenga Stauffer & Konings, 2006 |
| Type species | |
| Copadichromis cyclicos Stauffer, LoVullo & McKaye, 1993 | |
Mchenga is a small genus of haplochromine cichlids endemic to Lake Malawi in East Africa. They are part of a group known as utaka.
There are currently six recognized species in this genus: [1]
Mbuna is the common name for a large group of African cichlids from Lake Malawi, and are members of the haplochromine family. The name mbuna means "rockfish" in the language of the Tonga people of Malawi. As the name implies, most mbuna are cichlids that live among the piles of rocks and along the rocky shores of Lake Malawi, as opposed to the utaka, cichlids that live in the open water or on sandy shores or soft substrates. Some species of mbuna are highly sexually dimorphic, although many are not. Among biologists, almost all of the cichlid species of Lake Malawi, including mbuna and non mbuna such as the utaka, are believed to have descended from one or a very few species that became isolated in the lake. With rising water levels, new habitats could be colonized and the many isolated rocky outcrops allowed new mbuna species to form. Their striking colors, intriguing behavioral characteristics, and relative hardiness make them very popular despite their unique demands for the home aquarist.
Pseudotropheus is a genus of fishes in the family Cichlidae. These mbuna cichlids are endemic to Lake Malawi in Eastern Africa.
Maylandia or Metriaclima is a genus of haplochromine cichlids endemic to Lake Malawi in East Africa. They belong to the mbuna (rock-dwelling) haplochromines.
Melanochromis is a genus of haplochromine cichlids endemic to Lake Malawi in Eastern Africa. Ecologically, they belong to the rock-dwelling mbuna cichlids of Lake Malawi.
Copadichromis is a genus of haplochromine cichlids endemic to Lake Malawi in Eastern Africa. Copadichromis are part of a group known as utaka and are popular with aquarists, as this genus is relatively peaceful in captivity compared to the mbuna.
Protomelas is a genus of haplochromine cichlids endemic to Lake Malawi in East Africa. The genus is part of the haplochromine tribe and have maternal mouthbrooding and sexual dimorphism typical of this group. Popular in the aquarium hobby, Protomelas species are sold under a variety of trade names.
Alticorpus is a small genus of cichlids endemic to the deep waters of Lake Malawi in Africa.
Amphilophus is a genus of cichlid fishes from Central America, ranging from southern Mexico to Panama. The genus currently contains 23 species, including several that are well-known from the aquarium trade. However, studies led by Oldrich Říčan in 2008 and 2016 suggested that several species within Amphilophus should be moved to the genus Astatheros. Species proposed to be moved to Astatheros in 2008 were A. alfari, A. altifrons, A. bussingi, A. diquis, A. longimanus, A. macracanthus, A. margaritifer, A. rhytisma, A. robertsoni and A. rostratus. Further genetic studies led Říčan to put A. macracanthus in Astatheros, but to put A. alfari, A. altifrons, A. bussingi, A. diquis, A. longimanus, A. rhytisma, A. robertsoni and A. rostratus within the genus Cribroheros. Říčan's study suggests that the Astatheros species are more closely related to the Jack Dempsey and rainbow cichlid than to the remaining Amphilophus species.
Caprichromis is a small genus of haplochromine cichlids endemic to Lake Malawi in East Africa. This genus contains noted paedophagous cichlids, specialising in the eating of eggs and fry of other cichlid species.
Otopharynx is a genus of haplochromine cichlids endemic to Lake Malawi in Eastern Africa.
Diplotaxodon is a small genus of seven formally described, as well as a number of undescribed, deep-water species of cichlid fish endemic to Lake Malawi in east Africa. These fishes represent a remarkable adaptive radiation of offshore and deep-water adapted fish descended from ancestral shallow water forms. They include the dominant zooplankton-feeding fish of the offshore and deep-water regions of the lake, as well as a number of larger species that appear to feed on small pelagic fishes. Adult sizes range from 10 to 30 cm in total length, depending on species.
Mchenga flavimanus is a species of fish in the family Cichlidae. It is endemic to Lake Malawi.
Petrotilapia is a genus of cichlids endemic to Lake Malawi.
Stigmatochromis is a small genus of haplochromine cichlids that are endemic to Lake Malawi in East Africa.
Trematocranus placodon is a species of cichlid fish endemic to Lake Malawi, Lake Malombe and the upper reaches of the Shire River in Africa. It is mainly a shallow-water species that prefers to occupy areas with patches of Vallisneria, but it can occur as deep as 31 m (102 ft). It can reach a total length of up to 25 cm (9.8 in).
Tropheops is a genus of cichlids endemic to Lake Malawi.
Bulinus nyassanus is a species of small air-breathing freshwater snail with a sinistral shell, an aquatic pulmonate gastropod mollusk in the family Planorbidae, the ramshorn snails and their allies. This species is endemic to Lake Malawi in Africa, where found both in shallow and relatively deep water. Its shell generally reached a size of up to around 14 mm × 11 mm.
Rhombodus is a prehistoric genus of ray belonging to the family Rhombodontidae.
Arcantiodelphys is an extinct genus of basal Metatheria which existed in France during the Cenomanian age. It was first named by Romain Vullo, Emmanuel Gheerbrant, Christian de Muizon and Didier Néraudeau in 2009 and the type species is Arcantiodelphys marchandi.
Roulletia is an extinct genus of sand sharks. It was described by Romain Vullo, Henri Cappetta, and Didier Néraudeau in 2007, and the type species is R. bureaui, which existed during the upper Cenomanian of what is now France. The genus was named after its type locality, Roullet-Saint-Estèphe, while the species epithet honours Michel Bureau, an amateur paleontologist who gathered the material for the species. Another species, R. canadensis, was described from the Cenomanian of Canada by Charlie J. Underwood and Stephen L. Cumbaa in 2010. The species epithet refers to the country in which it was discovered. It has been suggested tentatively this genus may be related to Haimirichia, which has been placed in its own family (Haimirichiidae) based on soft-tissue preservation.
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