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Hydrophis peronii, Spiny-headed seasnake

Common name (e.g. turtle)

Genus + Species (e.g. Caretta caretta)

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Hydrophis peronii   (Duméril, 1853)

Spiny-headed seasnake
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Classification / Names Common names | Synonyms | CoL | ITIS | WoRMS

Not assigned | Squamata | Elapidae

Environment: milieu / climate zone / depth range / distribution range Ecology

Demersal; depth range 0 - 20 m (Ref. 78651).  Tropical; 26°N - 26°S (Ref. 2357)

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions

Northeast Atlantic to Western Pacific. Tropical to subtropical.

Length at first maturity / Size / Weight / Age

Maturity: Lm 71.6, range 70 - 110.8 cm Max length : 130 cm SVL male/unsexed; (Ref. 2352); common length : 110 cm SVL male/unsexed; (Ref. 2352)

Short description Morphology

The head and neck are moderately thin. Cream, grey or pale brown cross-bands with paler interspaces are wider dorsally and taper on the sides. Incomplete secondary dark bands between the primary ones may be present, with dark-centered scales on the paler parts of the body. Head is pale, bandings on the tail. More obscure than those on the body and in older adults. Head shields are irregular and fragmented in adults. Those around the eye are raised posteriorly to form spines. Prefrontal scales absent.

Biology     Glossary (e.g. epibenthic)

Relatively found in tropical continental shelf waters (Ref. 78651), not often close to shore (Ref. 78391). Often seen on the surface in reef waters (Ref. 2357) and open waterways (Ref.75894). Inhabits loose sandy-silty bottoms, seagrass beds, solid substrates and in a lagoon (Ref. 2352). Sometimes nocturnal (Ref. 2352). Feeds on a variety of fishes (Ref. 2357) like gobies (Ref. 98471). Also feeds on commensal shrimps of the genus Alpheus sp. (Ref. 2352).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference References | Coordinator | Collaborators

Greer, A.E. 2006. (Ref. 77091)

IUCN Red List Status (Ref. 130435: Version 2024-2)

  Least Concern (LC) ; Date assessed: 15 February 2009

CITES status (Ref. 108899)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Human uses


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Ecology
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Length-weight rel.
Length-length rel.
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Life cycle
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Taxonomy
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References

Internet sources

BHL | BOLD Systems | CISTI | DiscoverLife | FAO(Publication : search) | Fishipedia | GenBank (genome, nucleotide) | GloBI | Gomexsi | Google Books | Google Scholar | Google | PubMed | Tree of Life | Wikipedia (Go, Search) | Zoological Record

Estimates based on models

Preferred temperature (Ref. 115969): 25.4 - 29.3, mean 28.6 (based on 2246 cells).
Resilience (Ref. 69278): High, minimum population doubling time less than 15 months (K=0.38).
Vulnerability (Ref. 71543): High vulnerability (63 of 100).
Price category (Ref. 80766): Unknown.

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