| Polyipnus kiwiensis | |
|---|---|
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Stomiiformes |
| Family: | Sternoptychidae |
| Genus: | Polyipnus |
| Species: | P. kiwiensis |
| Binomial name | |
| Polyipnus kiwiensis Baird, 1971 | |
Polyipnus kiwiensis, commonly known as the kiwi hatchetfish, is a species of ray-finned fish in the genus Polyipnus . It is found in the Tasman Sea off Australia and New Zealand. [1] [2] The kiwi hatchetfish is carnivores. [2]
Marine hatchetfishes or deep-sea hatchetfishes are small deep-sea mesopelagic ray-finned fish of the stomiiform subfamily Sternoptychinae. They should not be confused with the freshwater hatchetfishes, which are not particularly closely related Teleostei in the characiform family Gasteropelecidae.
The marine hatchetfishes or deep-sea hatchetfishes as well as the related bottlelights, pearlsides and constellationfishes are small deep-sea ray-finned fish of the stomiiform family Sternoptychidae. They are not closely related to and should not be confused with the freshwater hatchetfishes, which are teleosts in the characiform family Gasteropelecidae. The Sternoptychidae have 10 genera and about 70 species altogether.
Argyropelecus is an oceanic ray-finned fish genus in the deep sea hatchetfish family Sternoptychidae. A collective name is "silver hatchetfishes", but this can also refer to a species of the freshwater hatchetfishes which are not particularly closely related to this. The large pupils of these marine hatchetfishes enable them to see dim objects in the deep sea, where light barely penetrates.
Polyipnus is a genus of oceanic ray-finned fish in the family Sternoptychidae. This is the largest genus of the marine hatchetfishes subfamily Sternoptychinae and indeed of the entire Sternoptychidae. It is not quite as apomorphic as their relatives; it may be that the genus is actually a paraphyletic assemblage of less advanced Sternoptychinae and would need to be split.
The freshwater hatchetfish are a family, Gasteropelecidae, of ray-finned fish from South and Central America. The common hatchetfish is the most popular member among fish keeping hobbyists. The family includes three genera: Carnegiella, Gasteropelecus, and Thoracocharax.
Polyipnus clarus, commonly known as the stareye hatchetfish or slope hatchetfish, is a species of ray-finned fish in the family Sternoptychidae. It occurs in deep water in the western Atlantic Ocean from the Gulf of Maine southward to the Caribbean Sea and the Gulf of Mexico. It most commonly occurs between 300 and 400 metres but can range from 40 and 830 metres.
Polyipnus spinosus, commonly known as the spiny hatchetfish, is a species of ray-finned fish in the family Sternoptychidae. It occurs in deep water in the western central Pacific Ocean, at depths down to about 500 metres (1,600 ft).
Polyipnus triphanos, commonly known as the threelight hatchetfish, is a species of ray-finned fish in the family Sternoptychidae. It occurs in deep water in the Indo-Pacific Ocean, at depths between about 322 and 966 metres.
Polyipnus tridentifer, commonly known as the three-spined hatchetfish, is a species of ray-finned fish in the family Sternoptychidae. It occurs in deep water in the Indo-Pacific Ocean, at depths between about 640 and 825 metres.
Polyipnus latirastrus, commonly known as the combside hatchetfish, is a species of ray-finned fish in the family Sternoptychidae. It occurs in deep water in the western Pacific Ocean, at depths between about 696 and 888 metres.
Polyipnus polli, commonly known as the round hatchetfish, is a species of ray-finned fish in the family Sternoptychidae. It occurs in deep water in the eastern Atlantic Ocean, at depths between about 250 and 600 metres.
Polyipnus matsubarai is a species of ray-finned fish in the genus Polyipnus. Its standard length is 9.7 cm and lives at a depth of 240 metres. They inhabit the waters around Japan, the Philippine Sea, and Hawaiian-Emperor Seamounts.
Polyipnus soelae, commonly known as the soela hatchetfish, is a species of ray-finned fish in the genus Polyipnus. It is found in Indonesia with a depth range of 300 - 520 m.
Polyipnus indicus is a species of ray-finned fish in the genus Polyipnus. It is found in the Western Indian Ocean. It has a depth range of 50–500 metres (160–1,640 ft).
Polyipnus meteori is a species of ray-finned fish in the genus Polyipnus found in the Indian and Pacific Oceans.
Polyipnus notatus is a species of ray-finned fish in the genus Polyipnus found the South China Sea.
Polyipnus parini is a species of ray-finned fish in the genus Polyipnus found in the Western Pacific Ocean.
Polyipnus paxtoni is a species of ray-finned fish in the genus Polyipnus found in the Western Central Pacific between depths of 0 and 300 meters.
Thoracocharax stellatus, the silver hatchetfish, spotfin hatchetfish, spotted hatchetfish or platinum hatchetfish, is a widespread hatchetfish found throughout South America including Venezuela, Colombia, Ecuador, Brazil, Peru, Bolivia, Paraguay, and Argentina in the Amazon, Orinoco, Paraguay and Tocantins-Araguaia basins. This species is one of the largest of the hatchetfishes. It is usually found in areas with abundant riparian vegetation.
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