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Hemiscyllium ocellatum (Bonnaterre, 1788)

Epaulette shark
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Native range | All suitable habitat | Point map | Year 2050
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Hemiscyllium ocellatum   AquaMaps   Data sources: GBIF OBIS
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Image of Hemiscyllium ocellatum (Epaulette shark)
Hemiscyllium ocellatum
Picture by Muséum-Aquarium de Nancy/B. Alenda


Papua New Guinea country information

Common names: Epaulette shark
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Also Ref. 247, 13575, 43278.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/pp.html
National Fisheries Authority: http://www.spc.org.nc/coastfish/Countries/PNG/png.htm
Occurrences: Occurrences Point map
Main Ref: Compagno, L.J.V., 1984
National Database:

Common names from other countries

Classification / Names Noms communs | Synonymes | Catalog of Fishes(Genre, Espèce) | ITIS | CoL | WoRMS | Cloffa

Élasmobranches (requins et raies) (sharks and rays) > Orectolobiformes (Carpet sharks) > Hemiscylliidae (Bamboo sharks)
Etymology: Hemiscyllium: hemi-, from hemisys (Gr.), half, presumably referring to similarity and/ or close affinity to Scyllium (=Scyliorhinus, now in Scyliorhinidae) and/or Chiloscyllium; skylion, Greek for dogfish or small shark. (See ETYFish);  ocellatum: Latin for eyed, referring to conspicuous white-ringed black ocellus on flanks above pectoral fins. (See ETYFish).
  More on author: Bonnaterre.

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

marin récifal; profondeur 0 - 50 m (Ref. 54540).   Tropical; 1°S - 34°S, 112°E - 163°E (Ref. 54540)

Distribution Pays | Zones FAO | Écosystèmes | Occurrences | Point map | Introductions | Faunafri

Western Pacific: New Guinea and northern Australia. Possibly occurring in Malaysia, Sumatra (Indonesia), and the Solomon Islands.

Length at first maturity / Taille / Poids / Âge

Maturity: Lm ?, range 60 - ? cm
Max length : 107 cm TL mâle / non sexé; (Ref. 247)

Description synthétique Clés d'identification | Morphologie | Morphométrie

Épines dorsales (Total) : 0; Épines anales: 0. Caudal fin with a pronounced subterminal notch but without a ventral lobe (Ref. 13575). Lateral ocellus not surrounded by large spots; spots present on head in front and below eyes (Ref. 13575).

Biologie     Glossaire (ex. epibenthic)

Commonly found in shallow water of coral reefs (Ref. 6871). Often in tide pools (Ref. 13575). Feeds mainly on benthic invertebrates (Ref. 6871). Oviparous (Ref. 50449). Squirms when captured but cannot readily escape (Ref. 247). Survives well in aquariums (Ref. 6871). Has the ability to survive low oxygen conditions by switching of non-essential brain functions; apparently an adaption for hunting in tide-pools with low oxygen (Ref. 52022).

Life cycle and mating behavior Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larves

Oviparous, paired eggs are laid. Embryos feed solely on yolk (Ref. 50449). Prior to copulation, the male gets a good grasp of the female by by biting the body and even the gills (Ref. 49562, 51043).

Référence principale Upload your references | Références | Coordinateur | Collaborateurs

Compagno, L.J.V., 1984. FAO Species Catalogue. Vol. 4. Sharks of the world. An annotated and illustrated catalogue of shark species known to date. Part 1 - Hexanchiformes to Lamniformes. FAO Fish. Synop. 125(4/1):1-249. Rome, FAO. (Ref. 247)

Statut dans la liste rouge de l'IUCN (Ref. 130435)

  Préoccupation mineure (LC) ; Date assessed: 18 February 2015

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Menace pour l'homme

  Harmless (Ref. 247)




Utilisations par l'homme

Pêcheries: sans intérêt
FAO(pêcheries: Résumé espèce; publication : search) | FishSource |

Plus d'informations

Trophic ecology
Éléments du régime alimentaire
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Food rations
Prédateurs
Ecology
Écologie
Home ranges
Population dynamics
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Length-weight rel.
Length-length rel.
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Estimates based on models

Preferred temperature (Ref. 115969): 24.1 - 28, mean 26.9 (based on 262 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5020   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00407 (0.00181 - 0.00918), b=3.09 (2.89 - 3.29), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Niveau trophique (Ref. 69278):  3.4   ±0.2 se; based on diet studies.
Résilience (Ref. 120179):  Faible, temps minimum de doublement de population : 4,5 à 14 années (Fec assumed to be <100).
Fishing Vulnerability (Ref. 59153):  High vulnerability (64 of 100).