| New Caledonian sea krait | |
|---|---|
 | |
| Laticauda saintgironsi | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Order: | Squamata |
| Suborder: | Serpentes |
| Family: | Elapidae |
| Genus: | Laticauda |
| Species: | L. saintgironsi |
| Binomial name | |
| Laticauda saintgironsi | |
 | |
The New Caledonian sea krait (Laticauda saintgironsi) is a species of venomous snake in the subfamily Laticaudinae of the family Elapidae. The species is native to the waters around New Caledonia. [1]
The specific name, saintgironsi, is in honor of French herpetologist Hubert Saint Girons. [3]
L. saintgironsi is endemic to New Caledonia, including the Loyalty Islands. [4] It is very rarely found outside of its native range (one specimen was found in New Zealand in 1925), likely due to Laticauda species tending to spend time onshore or in shallow water, limiting their chance to encounter oceanic currents. [5]
The natural habitats of L. saintgironsi are marine, intertidal, and supratidal, from a depth of 80 m (260 ft) to an altitude of 100 m (330 ft). [1]
L. saintgironsi exhibits sexual dimorphism, with females growing larger than males. Maximum recorded snout-to-vent length (SVL) for a male is 81.7 cm (32.2 in). Maximum recorded SVL for a female is 109 cm (43 in). The upper lip is yellow or cream-colored, and the rostral scale is undivided. [2] Specimens can be identified by this yellow upper lip, which is present in both this species and the Yellow-lipped sea krait, and the presence of 21 rows of mid-body scales, compared to the yellow-lipped sea krait's 23 banded rows that meet ventrally. [5]
The diet of L. saintgironsi consists of non-spiny anguilliform fishes, with the lipspot moray Gymnothorax chilospilus representing about half of the prey. [6]
Only a few parasites have been recorded for the New Caledonian sea krait, including camallanid nematodes. [7]
Elapidae is a family of snakes characterized by their permanently erect fangs at the front of the mouth. Most elapids are venomous, with the exception of the genus Emydocephalus. Many members of this family exhibit a threat display of rearing upwards while spreading out a neck flap. Elapids are endemic to tropical and subtropical regions around the world, with terrestrial forms in Asia, Australia, Africa, and the Americas and marine forms in the Pacific and Indian Oceans. Members of the family have a wide range of sizes, from the 18 cm (7.1 in) white-lipped snake to the 5.85 m king cobra. Most species have neurotoxic venom that is channeled by their hollow fangs, and some may contain other toxic components in various proportions. The family includes 55 genera with around 360 species and over 170 subspecies.
The banded krait is a species of elapids endemic to Asia, from Indian Subcontinent through Southeast Asia to Southern China. With a maximum length exceeding 2 m, it is the longest krait with a distinguishable gold and black pattern. While this species is generally considered timid and docile, resembling other members of the genus, its venom is highly neurotoxic which is potentially lethal to humans. Although toxicity of the banded krait based upon murine LD50 experiments is lower than that of many other kraits, its venom yield is the highest due to its size.
Hydrophis inornatus, commonly known as the plain sea snake, is a species of venomous sea snake in the family Elapidae.
Hydrophis spiralis, commonly known as the yellow sea snake, is a species of venomous sea snake in the family Elapidae.
The yellow-lipped sea krait, also known as the banded sea krait or colubrine sea krait, is a species of venomous sea snake found in tropical Indo-Pacific oceanic waters. The snake has distinctive black stripes and a yellow snout, with a paddle-like tail for use in swimming.
The blue-lipped sea krait, also known as the blue-banded sea krait or common sea krait, is a species of venomous sea snake in the subfamily Laticaudinae of the family Elapidae. It is found in the Indian and Western Pacific Oceans.
Sea snakes, or coral reef snakes, are elapid snakes that inhabit marine environments for most or all of their lives. They belong to two subfamilies, Hydrophiinae and Laticaudinae. Hydrophiinae also includes Australasian terrestrial snakes, whereas Laticaudinae only includes the sea kraits (Laticauda), of which three species are found exclusively in freshwater. If these three freshwater species are excluded, there are 69 species of sea snakes divided between seven genera.
Sea kraits are a genus of venomous elapid sea snakes, Laticauda. They are semiaquatic, and retain the wide ventral scales typical of terrestrial snakes for moving on land, but also have paddle-shaped tails for swimming. Unlike fully aquatic ovoviviparous sea snakes, sea kraits are oviparous and must come to land to digest prey and lay eggs. They also have independent evolutionary origins into aquatic habitats, with sea kraits diverging earlier from other Australasian elapids. Thus, sea kraits and sea snakes are an example of convergent evolution into aquatic habitats within the Hydrophiinae snakes. Sea kraits are also often confused with land kraits , which are not aquatic.
The katuali or flat-tail sea snake is a species of venomous sea snake in the family Elapidae. The species is found only in the waters of the Pacific Islands nation of Niue.
The black-banded sea krait, also known commonly as the Chinese sea snake, is a largely amphibious species of venomous marine reptile in the subfamily Laticaudinae, family Elapidae. It is found in much of the western Pacific Ocean and some of the Sea of Japan. In Japan, it is known as erabu umi hebi ; in Okinawa, it is known simply as irabu.
Paroplocephalus is a genus of venomous snake in the family Elapidae. The genus is monotypic, containing only the species Paroplocephalus atriceps, the Lake Cronin snake. The species is endemic to western Australia.
Crocker's sea snake is a species of venomous snake in the subfamily Laticaudinae of the family Elapidae. The species is native to Oceania.
The spotted mulga snake, also known commonly as Butler's black snake and Butler's snake, is a species of venomous snake in the family Elapidae. The species is endemic to Western Australia. It is a member of the genus Pseudechis, dangerously venomous snakes that can intimidate an opponent by raising the head and presenting a hood. This cobra-like threat display is supported by the ability to produce a very large amount of venom.
The extant (living) reptiles of New Zealand consist of numerous species of terrestrial lizards and the lizard-like tuatara, and several species of sea turtles and sea snakes. All but one species are native to New Zealand, and all but one of the terrestrial species are endemic to New Zealand, that is, they are not found in any other country. Many species of foreign reptiles enter New Zealand through accidental importation or smuggling, but only the Australian native Lampropholis delicata has become established in the wild, and it is considered an invasive pest.
The yellow-bellied sea snake is a venomous species of snake from the subfamily Hydrophiinae found in tropical oceanic waters around the world except for the Atlantic Ocean. For many years, it was placed in the monotypic genus Pelamis, but recent molecular evidence indicates it lies within the genus Hydrophis.
Bungarus slowinskii, the Red River krait, is a species of venomous snake in the family Elapidae. The species is endemic to mainland Southeast Asia
The slender-necked sea snake, also known commonly as Cogger's sea snake, is a species of marine venomous snake in the subfamily Hydrophiinae of the family Elapidae. The species is native to waters around western Australia and the southern Pacific Ocean.
The Mallee black-backed snake also known as the Mitchell's short-tailed snake or more commonly as the black-backed snake, is a species of venomous snake from the family Elapidae. This species is native to Australia and is found in a variety of habitats in southern mainland Australia.
The spectacled hooded snake, also known commonly as the Port Lincoln snake, is a species of venomous snake in the family Elapidae. The species is native to central-southern Australia. There are three recognized subspecies.
Laticauda guineai is a species of venomous sea snake in the family Elapidae. The species, which was first described by Heatwole, Busack and Cogger in 2005, is native to waters off southern New Guinea.
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