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Erythrolamprus cobella

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Erythrolamprus cobella
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Squamata
Suborder: Serpentes
Family: Colubridae
Subfamily: Dipsadinae
Genus: Erythrolamprus
Species:
E. cobella
Binomial name
Erythrolamprus cobella
Synonyms
  • Coluber cobella Linnaeus, 1758
  • Coronella cobella (Linnaeus, 1758)
  • Liophis cobella (Linnaeus, 1758)
  • Rhadinæa cobella (Linnaeus, 1758)[2]

Erythrolamprus cobella, commonly known as the mangrove snake, is a species of small semi-aquatic snake, which is endemic to South America.[4]

Classification

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Erythrolamprus cobella belongs to the genus Erythrolamprus, which contains over 50 species. The genus Erythrolamprus belongs to the subfamily Dipsadinae, which is sometimes referred to as the family Dipsadidae. The relationships of Erythrolamprus species located in northern South America (Venezuela) can be shown in the cladogram below, based on molecular DNA analysis:[5]

     

E. poecilogyrus (paraphyletic)

     

E. ceii

E. poecilogyrus (paraphyletic)

E. miliaris

E. miliaris

     
     

E. typhlus (Brazil) (paraphyletic)

     

E. reginae (paraphyletic)

     

E. reginae (paraphyletic)

E. zweifeli

E. breviceps

E. epinephalus (Peru) (paraphyletic)

     
     
     

E. typhlus (French Guiana) (paraphyletic)

Erythrolamprus cobella

     
     

E. aesculapii (Brazil) (paraphyletic)

E. ocellatus

E. aesculapii (French Guiana & Guyana) (paraphyletic)

     

Description

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Adults may attain a total length of 73 cm (29 in), which includes a tail 12.5 cm (4.9 in) long.[6]

Dorsally, it is black or dark brown with white crossbands. Ventrally it is red with black crossbands. The upper labials are white or yellowish.[6]

There are 8 upper labials, the 4th and 5th entering the eye. The dorsal scales, which are smooth and without apical pits, are arranged in 17 rows at midbody. Ventrals 143–163; anal plate divided; subcaudals 45–57, also divided (in two rows).[6]

Geographic range

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It is found in northern South America east of the Andes,[7] in the Guianas, eastern Venezuela, and Trinidad and Tobago[8] (although only on the island of Trinidad, not Tobago.)[5]

Habitat

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It is a semi-aquatic species,[5] and lives in lowland rainforest river floodplains and coastal mangrove swamps.[8]

Diet

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It feeds on frogs, geckos, and fish.[8]

References

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  1. ^ Hoogmoed, M., Rivas, G., Nogueira, C. & Murphy, J. 2019. Erythrolamprus bizona. The IUCN Red List of Threatened Species 2019: e.T15179222A15179229. https://www.iucnredlist.org/species/15179222/15179229 Downloaded on 02 October 2018.
  2. ^ a b The Reptile Database. www.reptile-database.org
  3. ^ Dahms Tierleben. www.dahmstierleben.de
  4. ^ ITIS (Integrated Taxonomic Information System). www.itis.gov.
  5. ^ a b c Murphy, John C.; Braswell, Alvin L.; Charles, Stevland P.; Auguste, Renoir J.; Rivas, Gilson A.; Borzée, Amaël; Lehtinen, Richard M.; Jowers, Michael J. (15 Jan 2019). "A new species of Erythrolamprus from the oceanic island of Tobago (Squamata, Dipsadidae)". ZooKeys (817): 131–157. doi:10.3897/zookeys.817.30811.
  6. ^ a b c Boulenger, G.A. 1894. Catalogue of the Snakes in the British Museum (Natural History). Volume II., Containing the Conclusion of the Colubridæ Aglyphæ. Trustees of the British Museum (Natural History). (Taylor and Francis, Printers.) London. xi + 382 pp. + Plates I.- XX. (Rhadinæa cobella, pp. 166-167.)
  7. ^ Freiberg, M. 1982. Snakes of South America. T.F.H. Publications. Hong Kong. 189 pp. ISBN 0-87666-912-7. (Liophis cobella, p. 102.)
  8. ^ a b c Boos, Hans E.A. (2001). The Snakes of Trinidad and Tobago. Texas A&M University Press. College Station, Texas. xvi + 328 pp. ISBN 1-58544-116-3.

Further reading

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  • Linnaeus, C. 1758. Systema naturae per regna tria naturæ, secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis. Tomus I. Editio Decima, Reformata. L. Salvius. Stockholm. 824 pp. (Coluber cobella, p. 218.)