| Hippocampus severnsi | |
|---|---|
 | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Syngnathiformes |
| Family: | Syngnathidae |
| Genus: | Hippocampus |
| Species: | H. severnsi |
| Binomial name | |
| Hippocampus severnsi Lourie & Kuiter, 2008 | |
Hippocampus severnsi (Severn's pygmy seahorse) is a synonym of Hippocampus pontohi , Lourie & Kuiter, 2008. [1]
A seahorse is any of 46 species of small marine fish in the genus Hippocampus. "Hippocampus" comes from the Ancient Greek hippokampos, itself from hippos meaning "horse" and kampos meaning "sea monster". Having a head and neck suggestive of a horse, seahorses also feature segmented bony armour, an upright posture and a curled prehensile tail. Along with the pipefishes and seadragons they form the family Syngnathidae.
The pygmy seahorses comprise several species of tiny seahorse in the syngnathid family or Syngnathidae. Family Syngnathidae is part of order Syngnathiformes, which contains fishes with fused jaws that suck food into tubular mouths. They are found in Southeast Asia in the Coral Triangle area. They are some of the smallest seahorse species in the world, typically measuring less than 2 centimetres (0.79 in) in height.
Hippocampus bargibanti, also known as Bargibant's seahorse or the pygmy seahorse, is a seahorse of the family Syngnathidae found in the central Indo-Pacific area.
Hippocampus angustus, commonly known as the narrow-bellied seahorse, western Australian seahorse, or western spiny seahorse, is a species of marine fish of the family Syngnathidae. It is found in waters off of Australia, from Perth to Hervey Bay, and the southern portion of Papua New Guinea in the Torres Strait. It lives over soft-bottom substrates, adjacent to coral reefs, and on soft corals at depths of 3–63 metres (9.8–206.7 ft). It is expected to feed on small crustaceans, similar to other seahorses. This species is ovoviviparous, with males carrying eggs in a brood pouch before giving birth to live young. This type of seahorse is monogamous in its mating patterns. The males only fertilize one female's eggs for the mating season because of the population distribution. While some seahorses can be polygamous because they are denser in population, this type of seahorse is more sparsely distributed and the cost of reproduction is high. Therefore, the risk to reproduce due to predatory and distributary factors limits this breed to one mate, often finding the same mate season after season.
Barbour's seahorse is a species of fish of the family Syngnathidae.
The Réunion seahorse is a synonym of Hippocampus kuda, Weber, 1913. It is found in Madagascar, Mauritius, Mozambique, Réunion, South Africa, and Tanzania. Its natural habitat is subtidal aquatic beds. It is threatened by habitat loss.
The knobby seahorse, also known as the short-headed seahorse or short-snouted seahorse, is a species of marine fish of the family Syngnathidae. It inhabits coastal waters in southwestern and southeastern Australia, from Gregory to Bremer Bay, and from Denial Bay to Newcastle.
The giraffe seahorse is a species of fish of the family Syngnathidae. It is found in coastal waters off of the south and east coasts of Africa, from South Africa to Tanzania, and possibly north to Kenya. It lives in estuarine seagrass beds, algae beds, and shallow reefs to depths of 45 metres (148 ft), where it can grow to lengths of 10 centimetres (3.9 in). It is expected to feed on small crustaceans, similar to other seahorses. This species is ovoviviparous, with males carrying eggs in a brood pouch before giving birth to live young. Individuals are sexually mature at around 6.5 centimetres (2.6 in). Major threats to this species could be habitat loss, through coastal development and pollution, and overexploitation through bycatch. Some other threats include human use by drying out the seahorse for traditional medicine or as a curio.
Hippocampus coronatus, commonly known as the high-crowned seahorse or crowned seahorse, is a species of fish of the family Syngnathidae. It is endemic to the Pacific coastal waters of Japan, where it lives among Zostera seagrasses. It can grow to lengths of 10.8 centimetres (4.3 in), but is more commonly 6 centimetres (2.4 in). Individuals feed mainly on small crustaceans such as gammarid amphipods and copepods, although this can vary by size, with smaller individuals consuming copepods while larger individuals feed on amphipods and mysids. This species is ovoviviparous, with males brooding eggs in a brood pouch before giving birth to live young. Breeding season occurs from June to November, with females and males reaching sexual maturity at 6.9 centimetres (2.7 in) and 7.3 centimetres (2.9 in) respectively. Male brood size ranges from 12–46. The International trade in this species has been monitored through Appendix II of the CITES licensing system since 2004 and a minimum size of 10 centimetres (3.9 in) applies to traded specimens.
Hippocampus denise, also known as Denise's pygmy seahorse or the yellow pygmy seahorse, is a seahorse of the family Syngnathidae native to the western Pacific.
Hippocampus fisheri, commonly known as Fisher's seahorse, or the Hawaiian seahorse, is a species of fish of the family Syngnathidae. It is known from the Hawaiian Islands, although previous misidentifications indicated species occurrences in Australia and New Caledonia. Habitat preferences are unknown, but it has been found far away from shore and at depths greater than 100 metres (330 ft). Feeding habits are also unknown, but individuals are expected to feed on small crustaceans similar to other seahorses. They are also expected to be ovoviviparous, with males carrying eggs in a brood pouch before giving birth to live young. Individuals can grow to lengths of 8 centimetres (3.1 in). The specific name and the common name honour "Walter V. Fisher" of Stanford University.
Hippocampus guttulatus, commonly known as the long-snouted seahorse and in Great Britain as the spiny seahorse, is a marine fish belonging to the family Syngnathidae, native from the northeast Atlantic, including the Mediterranean.
Hippocampus kuda, also known as the common seahorse, estuary seahorse, yellow seahorse or spotted seahorse is a seahorse of the family Syngnathidae native to the Indo-Pacific. The common name sea pony has been used for this species under its synonym Hippocampus fuscus.
The flat-faced seahorse, longnose seahorse, low-crowned seahorse or three-spot seahorse is a species of fish in the family Syngnathidae. It is found in Australia, Cocos (Keeling) Islands, French Polynesia, Hong Kong, India, Indonesia, Japan, the Philippines, Singapore, Taiwan, Thailand, and Vietnam. Its natural habitat is shallow seas. It is threatened by habitat loss.
Satomi's pygmy seahorse is the smallest known seahorse in the world with an average length of 13.8 millimetres (0.54 in) and an approximate height of 11.5 millimetres (0.45 in).
Hippocampus waleananus, the Walea soft coral pygmy seahorse, was regarded as a synonym of Hippocampus satomiae, Lourie & Kuiter, 2008, however, some taxonomists suggested this name should be valid. The species was described in 2009 from a single specimen which was found close to the island Walea. This species is endemic to the Togian Islands in Indonesia, and is associated with specific soft corals.
Hippocampus biocellatus, or the false-eyed seahorse, is a synonym of Hippocampus planifrons, Peters, 1877.
Hippocampus montebelloensis, or the Montebello seahorse is a synonym of Hippocampus zebra, Whitley, 1964. It is known from Montebello Islands and Exmouth Gulf in Western Australia.
Hippocampus pontohi, also known as Pontoh's pygmy seahorse or the weedy pygmy seahorse, is a seahorse of the family Syngnathidae native to the central Indo-pacific. Named after Hence Pontoh, the Indonesian dive guide from Bunaken (Manado) who first brought these pygmy seahorses to attention.
Hippocampus procerus, the high-crown seahorse, is a synonym of Hippocampus whitei, Bleeker, 1855.
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