| Chetia mola | |
|---|---|
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Cichliformes |
| Family: | Cichlidae |
| Genus: | Chetia |
| Species: | C. mola |
| Binomial name | |
| Chetia mola Balon & Stewart, 1983 | |
Chetia mola is an endangered species of fish in the family Cichlidae. It is found in the Luongo River of Zaire. [2]
The Congo River, formerly also known as the Zaire River, is the second-longest river in Africa, shorter only than the Nile, as well as the third-largest river in the world by discharge volume, following the Amazon and Ganges rivers. It is the world's deepest recorded river, with measured depths of around 220 m (720 ft). The Congo-Lualaba-Chambeshi River system has an overall length of 4,700 km (2,900 mi), which makes it the world's ninth-longest river. The Chambeshi is a tributary of the Lualaba River, and Lualaba is the name of the Congo River upstream of Boyoma Falls, extending for 1,800 km (1,100 mi).
Mackerel is a common name applied to a number of different species of pelagic fish, mostly from the family Scombridae. They are found in both temperate and tropical seas, mostly living along the coast or offshore in the oceanic environment.
Herring are forage fish, mostly belonging to the family of Clupeidae.
Sardine and pilchard are common names for various species of small, oily forage fish in the herring family Clupeidae. The term 'sardine' was first used in English during the early 15th century; a somewhat dubious folk etymology says it comes from the Italian island of Sardinia, around which sardines were once supposedly abundant.
The ocean sunfish or common mola is one of the largest bony fish in the world. It was misidentified as the heaviest bony fish, which was actually a different species, Mola alexandrini. Adults typically weigh between 247 and 1,000 kg. The species belongs to the Mola genus, one of three in the Molidae family. It is native to tropical and temperate waters around the world. It resembles a fish head without a tail, and its main body is flattened laterally. Sunfish can be as tall as they are long when their dorsal and ventral fins are extended.
Chetia is a genus of haplochromine cichlids endemic to riverine habitats in southern Africa, as well as the Congo River Basin.
Microctenopoma ansorgii is a small freshwater fish, known in the aquarium trade as the ornate ctenopoma, orange ctenopoma, ornate climbing perch, pretty ctenopoma, or rainbow ctenopoma. It is related to the more familiar spotted climbing perch, but looks very different. Its body is more elongated and rounded, with fins with red and black stripes; the color intensifies when the fish are displaying, with black bars becoming visible on the body. The ornate ctenopoma spawns at night, laying its eggs on a floating bubble nest like its relatives in the osphronemidae. It lives in the slow-flowing forest streams of the Congo Basin, where it feeds on worms, insect larvae, and other aquatic invertebrates. It is the most common member of its genus in the aquarium trade, where it is known for being a shy, easily bullied fish that needs live or frozen foods and which benefits from the presence of smaller dither fish to encourage it to come out of hiding.
The orange-fringed largemouth, also known as the orange-fringed river bream, is a species of haplochromine cichlid native to Mozambique and South Africa. It occurs in the Komati River system in South Africa as well as in coastal lakes of Mozambique. It inhabits quiet waters with marginal vegetation and sandy substrates. This species can reach a length of 15 centimetres (5.9 in) SL. It is threatened by invasive species and alteration of its habitat.
Mylochromis mola is a species of cichlid endemic to Lake Malawi. This species can reach a length of 18 centimetres (7.1 in) TL. This species can also be found in the aquarium trade.
Serranochromis is a genus of relatively large, robust cichlids from freshwater habitats in mainland Southern Africa, ranging as far north as DR Congo and Tanzania, with the highest species richness in the upper Zambezi, Okavango and Congo basins. They are typically known as largemouths or, especially among fishers, breams. Serranochromis are mostly piscivores and they are important in local fisheries.
Chiloglanis macropterus is a species of upside-down catfish endemic to Zambia where it occurs in the Luongo River. This species grows to a length of 9.8 centimetres (3.9 in) TL.
An anchovy is a small, common forage fish of the family Engraulidae. Most species are found in marine waters, but several will enter brackish water, and some in South America are restricted to fresh water.
Sargochromis is a genus of haplochromine cichlids native to freshwater habitats in Southern Africa, where found in the upper and middle Zambezi basin, Okavango delta, Cunene basin, Cuvelai basin and southeastern Congo Basin. They are typically known as happies or smallmouths. The latter name refers to their small mouth compared to their close relatives, the largemouths of the genus Serranochromis. Unlike the species in that genus which mostly feed on other fish, Sargochromis mostly feed on invertebrates, but in some species plant material is important. On occasion they will also eat small fish, and the stomachs of S. carlottae and S. codringtonii commonly contain fish scales, but whether these are already-lost scales that are picked off the bottom or they are actively bumped off large fish is unknown. Some of the species that feed heavily on aquatic snails have been used for biological pest control. Sargochromis are mouthbrooders. Depending on the exact species, they reach a maximum total length of 20 to 48 cm (8–19 in).
The giant sunfish or bumphead sunfish, , is a fish belonging to the family Molidae. It is closely related to the more widely known Mola mola, and is found in the Southern Hemisphere. With a specimen found dead near the Azores in 2021 weighing in at 2744 kg it is the largest extant bony fish species in terms of maximum recorded mass by a wide margin. It can be found basking on its side occasionally near the surface, which is thought to be used to re-heat themselves after diving in cold water for prey, recharge their oxygen stores, and attract gulls to free them of parasites.
Polypterus weeksii, the mottled bichir, is a fish in the family Polypteridae found in the central basin of the Congo River. It grows to about 54 cm in head-to-tail length.
Orthochromis luongoensis is a species of cichlid endemic to Zambia, where it is only known from the Luongo River, a tributary of the Luapula in the upper Congo River basin. This species can reach a length of 6.3 centimetres (2.5 in) SL.
The mola carplet is a species of carplet in the family Cyprinidae. It is found in Afghanistan, Pakistan, India, Bangladesh, and Myanmar, although IUCN considers its presence certain only in Pakistan, India, and Bangladesh. Adult Amblypharyngodon mola are typically found in ponds, canals, beels, slow-moving streams, nullahs, and paddy fields. They can reach 20 cm (7.9 in) in total length.
Tilapia baloni is a species of cichlid native to the Congo River basin of western Zambia. It is named after Polish-Canadian ichthyologist Eugene K. Balon.
The Mormyroidea are a superfamily of fresh water fishes endemic to Africa that, together with the families Hiodontidae, Osteoglossidae, Pantodontidae and Notopteridae, represents one of the main groups of living Osteoglossiformes. They stand out for their use of weak electric fields, which they use to orient themselves, reproduce, feed, and communicate.
Mormyrus cyaneus is a species of electric fish in the family Mormyridae. It is native to the Democratic Republic of the Congo and can reach a size of approximately 260 mm (10 in).
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