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Laticauda crockeri SLEVIN, 1934

IUCN Red List - Laticauda crockeri - Vulnerable, VU

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Higher TaxaElapidae (Laticaudinae), Colubroidea, Alethinophidia, Serpentes, Squamata (snakes) 
Subspecies 
Common NamesCrocker's Sea Snake 
SynonymLaticauda crockeri SLEVIN 1934
Laticauda laticaudata wolffi VOLSØE 1956
Laticauda laticaudata crockeri — VOLSØE 1958
Laticauda wolffi — KHARIN 1984
Laticauda crockeri — WELCH 1994: 71
Laticauda crockeri — KHARIN 2005
Laticauda crockeri — WALLACH et al. 2014: 364 
DistributionSolomon Islands (Rennell)

Type locality: Lake Te-Nggano on Rennell Island  
Reproductionoviparous 
TypesHolotype: CAS 72001
wolfi: ZMUC 6608 
CommentVenomous!

One of the 2 sea snakes that has been recorded solely from fresh water (the other one being Hydrophis semperi).

Diagnosis. Ventrals 192 – 210. Subcaudals 24 – 39 pairs (males) and 24 – 30 pairs (females). 19 – 21 scale rows on the neck and body. Number of body vertebrae 203 – 219, number of tail vertebrae 30 – 46. Snout-vent length 615 (males) and 795 mm (females). Tail length 91 (males) and 90 mm (females).

Habitat: freshwater; this is one of a few “sea snakes” that appear to live exclusively in fresh water. Others are Hydrophis sibauensis and H. semperi. 
References
  • Cogger,H. et al. 1987. The status and natural history of the Rennell Island Sea Krait, Laticauda crockeri (Serpentes: Laticaudidae). Journal of Herpetology 21 (4): 255-266 - get paper here
  • McCoy, M. 2006. Reptiles of the Solomon Islands. Pensoft Series Faunistica 57, 212 pp.
  • McCoy, M. 2015. A Field Guide to the Reptiles of the Solomon Islands. Michael McCoy, Kuranda - get paper here
  • Slevin, Joseph Richard 1934. The Templeton Crocker Expedition to Western Polynesian and Melanesian Islands, 1933. No. 15. Notes on the reptiles and amphibians, with the description of a new species of sea-snake. Proc. Cal. Acad. Sci. 21 (15): 183-188 - get paper here
  • Volsøe, H. 1956. Herpetology of Rennell Island. In: T. Wolff (ed.), The Natural History of Rennel Island, Brirish Solomon Islands. Vol. 1 (Vertebrates). Danish Sci. Press Ltd., Copenhagen, pp. 121-134
  • Volsøe, H. 1958. Additional specimens of snakes from Rennel Island. In: T. Wolff (ed.), The Natural History of Rennel Island, Brirish Solomon Islands. Vol. 1 (Vertebrates). Danish Sci. Press Ltd., Copenhagen, pp. 227-228
  • Wallach, Van; Kenneth L. Williams , Jeff Boundy 2014. Snakes of the World: A Catalogue of Living and Extinct Species. Taylor and Francis, CRC Press, 1237 pp.
 
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