Acrochordus granulatus, File snake
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Acrochordus granulatus   (Schneider, 1799)

File snake

Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Acrochordus granulatus  AquaMaps  Data sources: GBIF OBIS
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Classification / Names Common names | Synonyms | CoL | ITIS | WoRMS

Not assigned | Squamata | Acrochordidae

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

Benthopelagic; brackish; depth range 4 - 20 m (Ref. 2413).  Tropical

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions

Indo-West Pacific.

Length at first maturity / Size / Weight / Age

Maturity: Lm 58.0  range ? - ? cm Max length : 81.0 cm SVL male/unsexed; (Ref. 2413)

Short description Morphology

This species has small scales with tubercle-like keels, and a stout and compressed body. Females grow to a larger size than males.

Biology     Glossary (e.g. epibenthic)

Length based on occurrence record; to be replaced with a better reference. Nocturnal. Feeds on gobies and occasionally on marine crustaceans (Ref. 2413). Usually found in inshore waters, estuaries, and tidal rivers (Ref. 78651).

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

Breeding season begins in July (end of monsoon season) to December in Phangnga Bay. Clutch size averaged 5.18 -/+ 0.37 individuals and increased with maternal body size.

Main reference References | Coordinator | Collaborators

Wangkulangkul, S., K. Thirakhupt and H.K. Voris 2005 Sexual size dimorphism and reproductive cycle of the little file snake Acrochordus granulatus in Phangnga Bay, Thailand. Science Asia 31:257-263. (Ref. 2413)

IUCN Red List Status (Ref. 130435: Version 2025-1)

  Least Concern (LC) ; Date assessed: 18 October 2020

CITES status (Ref. 108899)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Human uses

Fisheries: of no interest
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Tools

E-book | Field guide

More information

Trophic Ecology
Food items (preys)
Diet composition
Food consumption
Predators
Ecology
Ecology
Population dynamics
Growth
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Abundance
Life cycle
Reproduction
Maturity
Fecundity
Spawning
Eggs
Egg development
Larvae
Distribution
Countries
FAO areas
Ecosystems
Occurrences
Introductions
Physiology
Oxygen consumption
Human Related
Stamps, coins, misc.
Outreach
Collaborators
Taxonomy
Common names
Synonyms
Morphology
Pictures
References
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): 25.2 - 29.3, mean 28.7 (based on 2280 cells).
Resilience (Ref. 69278): High, minimum population doubling time less than 15 months (K=0.83-1.39).
Fishing Vulnerability (Ref. 71543): Low to moderate vulnerability (33 of 100).
Price category (Ref. 80766): Unknown.

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