Epinephelus sexfasciatus

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Epinephelus sexfasciatus
Epinephelus sexfasciatus.jpg
Scientific classification Red Pencil Icon.png
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Perciformes
Family: Serranidae
Subfamily: Epinephelinae
Genus: Epinephelus
Species:
E. sexfasciatus
Binomial name
Epinephelus sexfasciatus
(Valenciennes, 1828)
Synonyms [2]
  • Serranus sexfasciatusValenciennes, 1828
  • Cephalopholis sexfasciatus(Valenciennes, 1828)

Epinephelus sexfasciatus, the sixbar grouper, sixbar rockcod or six-banded rockcod, is a species of marine ray-finned fish, a grouper from the subfamily Epinephelinae which is part of the family Serranidae, which also includes the anthias and sea basses. It is found in the Indo-Pacific region.

Contents

Description

Epinephelus sexfasciatus has a body with a standard length which is 2.7 to 3.2 times its depth. The dorsal profile of the head is convex and the intraorbital region is flat or slightly convex. The preopercle has 2 to 4 very enlarged serrations at its angle. The upper edge of the operculum is straight. [3] The dorsal fin contains 11 spines and 14-16 soft rays while the anal fin has 3 spines and 8 soft rays. [2] The membranes between the spines in the dorsal fin are deeply incised. The caudal fin is rounded. [3] The colour of the head and body is light-greyish brown with 5 dark brown vertical bars on the body and 1 on the nape, There may be a scattering of pale spots on the body and some there may also be indistinct small brown spots on the margins of the dark bars. The soft rayed part of the dorsal fin, the caudal fin and the pelvic fin are dusky grey while the pectoral fins are greyish or orange-red. In some specimens the jaws and lower parts of the head are pale reddish brown. The maximum recorded total length is 40 centimetres (16 in). [2]

Distribution

Epinephelus sexfasciatus is found in the Ondo-West Pacific Region from Thailand in the west through the Malay Archipelago as far east as Papua New Guinea and the Philippines, north to Taiwan and south to Australia. [1]

Habitat and biology

Epinephelus sexfasciatus is found on silty or muddy bottoms down to depths of 80 metres (260 ft). [4] The species has a diet made up of small fishes and crustaceans. [2]

Taxonomy

Epinephelus sexfasciatus was first formally described in 1828 as Serranus sexfasciatus by the French zoologist Achille Valenciennes (1794-1865) with the type locality given as Java. [5] It is closely related to Epinephelus diacanthus . [3]

Utilisation

Epinephelus sexfasciatus is a small species of grouper but despite this it is targeted by fisheries and appears in markets in many parts of its range. [1] It does appear in the aquarium trade. [6]

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References

  1. 1 2 3 Craig, M.T. (2018). "Epinephelus sexfasciatus". IUCN Red List of Threatened Species . 2018: e.T132780A100558374. doi: 10.2305/IUCN.UK.2018-2.RLTS.T132780A100558374.en . Retrieved 20 November 2021.
  2. 1 2 3 4 Froese, Rainer and Pauly, Daniel, eds. (2019). "Epinephelus sexfasciatus" in FishBase. December 2019 version.
  3. 1 2 3 Heemstra, P.C. & J.E. Randall (1993). FAO Species Catalogue. Vol. 16. Groupers of the world (family Serranidae, subfamily Epinephelinae). An annotated and illustrated catalogue of the grouper, rockcod, hind, coral grouper and lyretail species known to date (PDF). FAO Fish. Synopsis. 125. FAO, Rome. pp. 227–228. ISBN   92-5-103125-8.
  4. ↑ "Epinephelus sexfasciatus". fishIDER. Commonwealth Scientific and Industrial Research Organisation. Retrieved 16 July 2020.
  5. ↑ Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Serranus sexfasciatus". Catalog of Fishes . California Academy of Sciences . Retrieved 16 July 2020.
  6. ↑ "Epinephelus sexfasciatus". Saltcorner. Retrieved 16 July 2020.
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