Speckled hind

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Speckled hind
Epinephelus drummondhayi.jpg
juvenile
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Perciformes
Family: Serranidae
Subfamily: Epinephelinae
Genus: Epinephelus
Species:
E. drummondhayi
Binomial name
Epinephelus drummondhayi
Goode & Bean, 1878
Synonyms [2]

Hyporthodus drummondhayi(Goode & Bean 1878)

The speckled hind (Epinephelus drummondhayi), also known as the calico grouper, kitty mitchell or strawberry grouper, 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 Bermuda and off the eastern coast of North America. Its natural habitats are open seas, shallow seas, y aquatic beds, and coral reefs. The species, like many other types of marine life in the region, is threatened by habitat loss.

Contents

Description

The speckled hind has a body which is robust, compressed and is deepest at the origin of the dorsal fin, [3] its standard length is 2.4 to 2.6 times its depth and is equal to the length of the head. The maxilla is exposed when the mouth is closed. The margin of the gill cover bears three flat spines, while the preopercle is serrated with enlarged spines at its angle. [3] The dorsal fin has 11 spines and 14-16 soft rays while the anal fin contains 3 spines and 9 soft rays. [4] The membrane of the dorsal fin has deep indentations between the spines. [3] The caudal fin is rounded with acutely angled corners. There are 72-76 scales in the lateral line. [5] The background colour of the head and body is dark reddish brown to grey, but it is densely speckled with tiny white spots, these sometimes merge to form a network pattern in larger individuals, the outer part of the pectoral fin is yellowish. The juveniles are bright yellow and are covered in small blue-white spots. [3] This species attains a total length of 120 centimetres (47 in) and a maximum weight of 30 kilograms (66 lb). [4]

Distribution

The speckled hind is found in the western Atlantic Ocean where it occurs around Bermuda as well as on the eastern coast of the United States where it is found as far north as North Carolina extending south to the Florida Keys and into the Gulf of Mexico as far east as Louisiana, it also occurs off the Yucatan Peninsula. Reports of this species in the Bahamas or the Greater Antilles require confirmation. [1]

Habitat and biology

Speckled hind adults are found on offshore areas with rocky substrates at depths of 25 to 183 metres (82 to 600 ft), although they are most often recorded at 60 and 120 metres (200 and 390 ft). [5] The juveniles are typically found in shallower waters than the adults. [1] Like other groupers, the speckled hind is a predatory fish and the prey taken includes other fishes, crustaceans such as crab, shrimp and lobsters as well as molluscs such as squid. They are protogynous hermaphrodites and gather in aggregations to spawn. [6] The females become sexually mature at 4 or 5 years oold and at 45 to 60 centimetres (18 to 24 in) in total length and the sex change to male takes place between 7 and 14 years old. it is a long lived species which may have a life span of up to 80 years. [1]

Taxonomy

The speckled hind was first formally described as Epinephelus drummondhayi by the American ichthyologists George Brown Goode (1851-1896) and Tarleton Hoffman Bean (1846-1916) in 1878 with the type locality given as Pensacola in Florida. [2] The specific name honours the Scottish officer in the British Army and ornithologist, Lieutenant-Colonel Henry Drummond-Hay (1814-1896), originally of Perth, Scotland, who discovered the species on Bermuda. [7] Since 2018 some authorities have placed this species in the genus Hyporthodus [2]

Utilisation

Speckled hind are taken as bycatch by commercial fisheries for other species of grouper and snapper off the United States coasts. It is targeted by recreational fisheries too. There is a bag limit for both commercial and recreational fisheries in the United States is one fish per vessel per trip. However, the species is still overfished and this may be because of bycatch being returned to the sea after being injured in the process of being taken. [6]

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References

  1. 1 2 3 4 Sosa-Cordero, E.; Russell, B. (2018). "Epinephelus drummondhayi". IUCN Red List of Threatened Species . 2018: e.T7854A46909143. doi: 10.2305/IUCN.UK.2018-2.RLTS.T7854A46909143.en . Retrieved 16 November 2021.
  2. 1 2 3 Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Epinephelus drummondhayi". Catalog of Fishes . California Academy of Sciences . Retrieved 3 July 2020.
  3. 1 2 3 4 "Species: Hyporthodus drummondhayi, Speckled hind". Shorefishes of the Greater Caribbean online information system. Smithsonian Tropical research Institute. Retrieved 3 July 2020.
  4. 1 2 Froese, Rainer; Pauly, Daniel (eds.) (2019). "Epinephelus drummondhayi" in FishBase . April 2019 version.
  5. 1 2 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. pp. 142–143. ISBN   92-5-103125-8.
  6. 1 2 "Speckled hind Epinephelus drummondhayi" (PDF). Species of Concern. NOAA National Marine Fisheries Services. Retrieved 3 July 2020.
  7. ↑ G. Brown Goode & Tarleton H. Bean (1878). "On a new serranoid fish, Epinephelus drummond-hayi, from the Bermudas and Florida". Proceedings of the United States National Museum. 1 (23): 173–175.
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