The long green wrasse, Pseudojuloides elongatus, is a species of wrasse native to coastal waters from Australia to New Zealand and Norfolk Island. This species occurs to depths around 25 m (82 ft) in weedy areas on reefs. It can reach 12.6 cm (5.0 in) in standard length. This species is also found the aquarium trade.
The blue sucker is a long-lived freshwater species of fish in the sucker family that is of conservation concern. The species has an average weight of 2–3 kilograms (4.4–6.6 lb) and an average length of 76 centimetres (30 in). The record length has been recorded at 102 centimetres (40 in), and individuals have been documented beyond 40 years of age.
The slender roughy is a fish of the family Trachichthyidae. Until 2004 when two new species were described, the slender roughy was believed to be the only species in the genus Optivus. The slender roughy is found in the southwestern Pacific Ocean around New Zealand at depths between 10 and 100 m. Its length is up to 102 mm (4.0 in) standard length or 120 mm (4.7 in) overall total length.
Hemiculter elongatus is a tropical freshwater fish belonging to the Cultrinae subfamily of the family Cyprinidae. It is known only from the Ky Cùng River in Lang Son Province, northern Vietnam. It was originally described by Nguyen & Ngo in 2001.
The yellow-fin perchlet is a species of fish in the family Ambassidae. It is endemic to Australia where it has only been recorded from the three rivers which drain into the Gulf of Carpentaria in northern Queensland. They are found in freshwater creeks and rivers with marginal vegetation, frequently recorded from freshwater streams that have quite high turbidity levels.
Lepidiolamprologus elongatus is a species of cichlid endemic to Lake Tanganyika where it prefers rocky areas. This species is a carnivorous predator on fish. This species can reach a length of 32.5 centimetres (12.8 in) TL. It can also be found in the aquarium trade.
The elongate nothobranch is a species of killifish in the family Nothobranchiidae. It is endemic to the coastal drainages to the north west of Mombasa in Kenya. Its natural habitat is intermittent freshwater marshes and temporary pools on floodplains.
The elongate mbuna is a species of cichlid endemic to Lake Malawi where it is known from Mkata Bay and Mbamba Bay. It prefers areas with rocky substrates where it can graze on algae. It can reach a length of 9.5 centimetres (3.7 in) SL. It can also be found in the aquarium trade.
Omobranchus elongatus, the cloister blenny or chevroned blenny, is a species of combtooth blenny found in coral reefs in the western Pacific and Indian oceans.
Cancelloxus elongatus, the whiteblotched klipfish, is a species of clinid found in subtropical waters of the Atlantic Ocean along the South African coast. It prefers sandy habitats with nearby rocks at depths of from 10 to 25 metres. It can reach a maximum length of 5 centimetres (2.0 in) TL. This species preys primarily on zoobenthos.
Ochetobius elongatus is a species of cyprinid fish found in eastern Asia. It is the only member of its genus.
The tapertail, Radiicephalus elongatus, is a species of marine fish found in the central and eastern Atlantic and eastern Pacific. This species grows to 76 cm (30 in) in total length. It is the only known species in the genus Radiicephalus and the family Radiicephalidae.
Aborichthys elongatus is a species of freshwater fish in the stone loach family. A. elongatus is found in North Bengal and Arunachal Pradesh in India.
Alcichthys is a monospecific genus of marine ray-finned fish belonging to the family Cottidae, the "typical" sculpins. The only species in the genus is Alcichthys elongatus, which occurs in the northwestern Pacific Ocean.
Sebastes elongatus, the greenstriped rockfish, striped rockfish, strawberry rockfish, poinsettas, reina or serena, is a species of marine ray-finned fish belonging to the subfamily Sebastinae, the rockfishes, part of the family Scorpaenidae. It is found in the northeastern Pacific Ocean.
Polyipnus elongatus is a species of ray-finned fish in the family Sternoptychidae. It can be found in deep water in the southwestern Pacific Ocean around Australia, at depths down to about 400 metres (1,300 ft).
Notoscopelus elongatus is a species of lanternfish in the family Myctophidae. It is endemic to the Mediterranean Sea where it is found in deep water habitats, rising to near the surface to feed at night and descending to great depths by day. It is a common species with no particular threats, and the International Union for Conservation of Nature has listed its conservation status as being of least concern.
Chelaethiops elongatus is an African species of freshwater fish in the family Cyprinidae. It is found in the Congo River basin.
Argentinolycus is a monospecific genus of marine ray-finned fish belonging to the family Zoarcidae, the eelpouts. Its only species is Argentinolycus elongatus which is found in coastal southern eastern South America.
Zu elongatus, the taper-tail ribbonfish, is a species of ray-finned fish within the family Trachipteridae. The species distribution is likely in temperate and tropical waters in all oceans, but has only been occurred in the Atlantic and Pacific off Namibia, the western Cape coast, and New Zealand. It inhabits mesopelagic waters up to 1200 meters below sea level. Other common names include the scalloped dealfish and spitsstert-lintvis in Afrikaans.
