Chiloscyllium griseum, Grey bambooshark : fisheries

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Chiloscyllium griseum Müller & Henle, 1838

Grey bambooshark
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Chiloscyllium griseum   AquaMaps   Data sources: GBIF OBIS
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Classification / Names Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa

Elasmobranchii (sharks and rays) > Orectolobiformes (Carpet sharks) > Hemiscylliidae (Bamboo sharks)
Etymology: Chiloscyllium: cheilos (Gr.), lip, referring to membranous and broad lower lip, presumably of C. plagiosum (proposed without a species); skylion, Greek for dogfish or small shark. (See ETYFish);  griseum: Medieval Latin for gray, referring to light-gray coloration in spirits (usually light-brown in life). (See ETYFish).
More on authors: Müller & Henle.

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

Marine; brackish; reef-associated; oceanodromous (Ref. 51243); depth range 5 - 100 m (Ref. 106604). Tropical; 34°N - 10°S, 60°E - 150°E

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Indo-West Pacific: Pakistan, India, Sri Lanka, Malaysia, Thailand. Reported records of this species from the Philippines, Taiwan, and Japan are misidentifications of C. punctatum (Ref. 125614). Many country records need confirmation (Ref. 13575).

Length at first maturity / Size / Weight / Age

Maturity: Lm ?, range 45 - ? cm
Max length : 77.0 cm TL male/unsexed; (Ref. 90102)

Short description Morphology | Morphometrics

Dorsal spines (total): 0; Dorsal soft rays (total): 0; Anal spines: 0; Anal soft rays: 0. Genus: Nostrils subterminal on snout; pre-oral snout long, mouth closer to eyes than snout tip; eyes and supraorbital ridges hardly elevated; no black hood on head or large spot or spots on sides of body above pectoral fins (Ref. 43278). Caudal fin with a pronounced subterminal notch but without a ventral lobe (Ref. 13575). Species: Light brown, yellow-brown or grey-brown above, cream below, with 12-13 prominent saddle marks in young, fading with growth and absent in adults (Ref. 13575). Dark bands in juveniles not outline in black (Ref. 13575). Dorsal fins smaller than pelvic fins, without projecting free rear tips (Ref. 13575). Body without lateral dermal ridge (Ref. 4832,43278, 13575).

Biology     Glossary (e.g. epibenthic)

A common inshore bottom shark (Ref. 247). Often found in estuaries (Ref. 4832). Probably feeds mainly on invertebrates (Ref. 247, 43278). Oviparous (Ref. 43278, 50449). Utilized as a food fish (Ref. 171).

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

Oviparous, deposits eggs in small, oval eggs cases on the bottom (Ref. 247). Paired eggs are laid. Embryos feed solely on yolk (Ref. 50449). Distinct pairing with embrace (Ref. 205). During copulation observed in captivity, the male bites the female's pectoral fin in a side-to-side position (Ref. 49562, 51121).

Main reference Upload your references | References | Coordinator | Collaborators

Ebert, D.A., S. Fowler and M. Dando, 2021. Sharks of the World: A complete guide. Princeton University Press, 607p. (Ref. 125614)

IUCN Red List Status (Ref. 130435)

  Vulnerable (VU) (A2d); Date assessed: 28 May 2020

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

Fisheries: commercial
FAO - Fisheries: species profile; Publication: search | FishSource | Sea Around Us

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Internet sources

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: genus, species | DiscoverLife | ECOTOX | FAO - Fisheries: species profile; Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: genome, nucleotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | Public aquariums | PubMed | Reef Life Survey | Socotra Atlas | Tree of Life | Wikipedia: Go, Search | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates based on models

Preferred temperature (Ref. 123201): 24.9 - 29.1, mean 28.3 °C (based on 1090 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5039   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00186 - 0.00812), b=3.06 (2.87 - 3.25), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
Trophic level (Ref. 69278):  3.7   ±0.3 se; based on diet studies.
Resilience (Ref. 120179):  Low, minimum population doubling time 4.5 - 14 years (Fec assumed to be <100).
Fishing Vulnerability (Ref. 59153):  Moderate to high vulnerability (51 of 100).
Price category (Ref. 80766):   Unknown.