Epinephelus analogus

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Epinephelus analogus
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Perciformes
Family: Serranidae
Subfamily: Epinephelinae
Tribe: Epinephelini
Genus: Epinephelus
Species:
E. analogus
Binomial name
Epinephelus analogus
Gill, 1863
Synonyms [2]

Epinephelus analogus, the spotted grouper, spotted cabrilla or rock bass, 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 eastern Pacific Ocean where it is associated with reefs.

Contents

Description

Epinephelus analogus has a body which has a standard length which is 2.6 to 3.0 times its depth. The preopercle has a shallow notch above its angle, the serrations at the angle are slightly enlarged compared to the other serrations on the margin of the bone. [3] The dorsal fin has 10 spines and 16-18 soft rays while the anal fin contains 3 spines and 8 soft rays. [2] The pectoral fins are markedly shorter than the pelvic fins and the caudal fin is rounded. [3] There are 53-69 scales in the lateral line. The overall colour of the head and body are brown to grey, marked with numerous small reddish-brown spots, these are a similar size to the pupil on the body but are smaller on head and fins. There are four broad faint dark bars on upper half of the flanks which rextend on to the dorsal fin. In juveniles the spots are larger than on adults and the dark bars are better defined. [4] This species has a maximum published total length of 114 centimetres (45 in) and a maximum published weight of 22.3 kilograms (49 lb). [2]

Distribution

Epinephelus analogus is found in the Eastern Pacific Ocean. Its range extends from southern California in the United States to northern Peru. It is also found around the islands of Revillagigedos in Mexico, the Galápagos of Ecuador, Malpelo Island in Colombia and Cocos Island of Costa Rica. [1]

Habitat and biology

Epinephelus analogus occurs in both rocky reefs and in shallow estuaries at depths down as far as 107 metres (4,200 in). [5] It is also found in patch reefs. [2] The juveniles occur tidal pools, estuaries and lagoons. [1] It is a predatory species which feeds largely on crustaceans and fishes found on rocky and sandy substrates. During the winter they move towards the shore where the swarms of the pelagic red crab ( Pleuroncodes planipes ) provide abundant food. [3]

Taxonomy

Epinephelus analogus was first formally described in 1863 by the American ichthyologist Theodore Nicholas Gill (1837-1914) with the type locality given as the western coast of Central America. [6]

Utilisation

Epinephelus analogus is a target species for recreational anglers, small-scale artisanal fishers and commercial fisheries in the Gulf of California where it fetches high prices at market. Along the central and southern Mexican Pacific coasts and in Ecuador and Peru this species is also commercially important. [1] Although the IUCN classify this species as being of Least Concern there are concerns about overfishing negatively impacting its populations. [5]

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References

  1. 1 2 3 4 Erisman, B.; Craig, M.T. (2018). "Epinephelus analogus". IUCN Red List of Threatened Species . 2018: e.T132744A100460556. doi: 10.2305/IUCN.UK.2018-2.RLTS.T132744A100460556.en . Retrieved 20 November 2021.
  2. 1 2 3 4 Froese, Rainer; Pauly, Daniel (eds.) (2019). "Epinephelus analogus" 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. Vol. 125. FAO, Rome. p. 110-111. ISBN   92-5-103125-8.
  4. ↑ "Species: Epinephelus analogus, Spotted cabrilla, Spotted grouper". Shorefishes of the Eastern Pacific online information system. Smithsonian Tropical Research Institute. Retrieved 25 June 2020.
  5. 1 2 "Spotted Cabrilla, Epinephelus analogus". Mexican-fish.com. Retrieved 25 June 2020.
  6. ↑ Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Epinephelus analogus". Catalog of Fishes . California Academy of Sciences . Retrieved 25 June 2020.
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