Biology:Blue-lipped sea krait

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Short description: Species of snake

Blue-lipped sea krait
Laticauda laticaudata.jpg
Scientific classification edit
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Squamata
Suborder: Serpentes
Family: Elapidae
Genus: Laticauda
Species:
L. laticaudata
Binomial name
Laticauda laticaudata
Synonyms
  • Coluber laticaudatus Linnaeus, 1758
  • Laticauda scutata Laurenti, 1768
  • Platurus laticaudatus Girard, 1858

The blue-lipped sea krait (Laticauda laticaudata), 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.[2]

Taxonomy

The blue-lipped sea krait was one of the many species originally described by Carl Linnaeus in his landmark 1758 10th edition of Systema Naturae, where it was given the binomial name Coluber laticaudatus.[3] There are two subspecies, Laticauda laticaudata laticaudata and Laticauda laticaudata affinis.[2]

Description

L. laticaudata hunting in the coral reefs offshore in Ko Samui, Thailand.

Ventral scales of this snake are large, one-third to more than one-half the width of the body; the nostrils are lateral; nasal scales are separated by internasals; 19 longitudinal rows of imbricate scales are found at midbody; no azygous prefrontal shield is present; rostral scales are undivided; ventrals number 225–243; subcaudals number 38–47 in males, females have 30–35 (ventral and subcaudal counts after Smith 1943:443). The upper lip is dark brown. Total length varies with sex: males are 910 mm (36 in), females are 1,070 mm (42 in); tail lengths are similar: 110 mm (4.3 in).[2] The 19 rows of scales and the dark brown upper lip can be used to differentiate the blue-lipped sea krait from other Laticauda species.[4]

Distribution and habitat

This species is found in the Indian and Western Pacific Oceans: Bay of Bengal (Bangladesh, East India , Andaman & Nicobar Islands, Sri Lanka, Myanmar, Thailand), coasts of Malay Peninsula to Indonesia, Timor-Leste, New Guinea, the Philippines , off the coasts of Fujian and Taiwan, Japan , Polynesia, Melanesia, Solomon Islands, New Caledonia, Palau, Vanuatu, Fiji, and Australia (Queensland).[2] [1] One specimen was found in Devonport, New Zealand in 2011, however it died shortly after being taken to Kelly Tarlton's Sea Life Aquarium.[4] The blue-lipped sea snake is spread all over the west pacific, making it known as the common sea krait, however taxonomic studies might indicate they might be an endemic species.[5]

Special features

This snake is known to warm up in wedge-tailed shearwater burrows.[6]

References

  • Kharin V. E. 1984 Revision of sea snakes of subfamily Laticaudinae Cope, 1879 sensu lato (Serpentes, Hydrophiidae). Trudy Zoologicheskogo Instituta 124: 128-139
  1. ↑ 1.0 1.1 Lane, A.; Guinea, M.; Lobo, A.; Gatus, J. (2010). "Laticauda laticaudata". IUCN Red List of Threatened Species 2010: e.T176771A7301306. doi:10.2305/IUCN.UK.2010-4.RLTS.T176771A7301306.en. https://www.iucnredlist.org/species/176771/7301306. Retrieved 20 November 2021. 
  2. ↑ 2.0 2.1 2.2 2.3 Laticauda laticaudata at the Reptarium.cz Reptile Database. Accessed 8 January 2018.
  3. ↑ Linnaeus, Carl (1758) (in Latin). Systema Naturae per Regna Tria Naturae, Secundum Classes, Ordines, Genera, Species, cum Characteribus, Differentiis, Synonymis, Locis. I (10th revised ed.). Holmiae: (Laurentii Salvii). p. 222. https://archive.org/stream/carolilinnaeisy00gesegoog#page/n231/mode/1up. 
  4. ↑ 4.0 4.1 Gill, B.J.; Whitaker, A.H. (2014). "Records of sea-kraits (Serpentes: Laticaudidae: Laticauda) in New Zealand". Records of the Auckland Museum 49: 39–42. ISSN 1174-9202. 
  5. ↑ https://citeseerx.ist.psu.edu/document?repid=rep1&type=pdf&doi=69b2eefe1eeca8b5d56286c3d7244bb9ab9ab0ec
  6. ↑ Brischoux, F.; Bonnet, X.; Shine, R. (2009). "Kleptothermy: an additional category of thermoregulation, and a possible example in sea kraits (Laticauda laticaudata, Serpentes)". Biology Letters 5 (6): 729–731. doi:10.1098/rsbl.2009.0550. PMID 19656862. 

External links

Wikidata ☰ Q1907959 entry



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