Caulolatilus chrysops

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Caulolatilus chrysops
Caulolatilus chrysops (FDA 082).jpg
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Perciformes
Family: Malacanthidae
Genus: Caulolatilus
Species:
C. chrysops
Binomial name
Caulolatilus chrysops
(Valenciennes, 1833)
Synonyms [2]

Latilus chrysopsValenciennes, 1833

Caulolatilus chrysops, the Atlantic goldeneye tilefish or gold face tilefish, is a species of marine ray-finned fish, a tilefish belonging to the family Malacanthidae. It occurs in the western Atlantic Ocean.

Contents

Description

Caulolatilus chrysops has a sturdy, quadrangular body with a relatively deep head which has a rounded profile. There is a fleshy ridge along the centreline of the body in front of the dorsal fin. The gill cover has a short blunt spine and serrations along its vertical margin. [3] It has a violet body with a pale yellow tint on the back and upper flanks, the lower flanks have a silvery sheen, becoming pearly white on the abdomen. The fleshy predorsal ridge is not pigmented. There is a wide, vivid yellow streak running from beneath the eye to just above the nostrils with a bright blue line beneath this. The iris is golden. The dorsal fin has a whitish base with the rest of the fin being mottled grey and yellow with a white margin. There is a black blotch above the pectoral fin which has a yellow inner base. The anal fin has an in distinct dusky band in its centre on a pearly white background colour. The caudal fin is marked with small yellow spots. [4] The dorsal fin contains 7 or 8, occasionally 6, spines and 23-27 soft rays while the anal fin has 1 or 2 spines, the first spine being reduced, and 20-26 soft rays. [5] This species attains a maximum total length of 60 cm (24 in) but 44 cm (17 in) is a more common length. [2]

Distribution

Caulolatilus chrysops is found in the Western Atlantic Ocean. It occurs as far north as North Carolina and southwards through the Gulf of Mexico. It is absent from much of the Caribbean but occurs along the northern coast of South America from Venezuela to Rio de Janeiro. [1]

Habitat and biology

Caulolatilus chrysops is found near the bottom, at depths from 90 to 131 m (295 to 430 ft), where it has been recorded on a substrate consisting of a rubble of shell and coral fragments. This species associates with C. microps and C. cyanops . However this species is less numerous than either of those species, it is found greater depths than C. microps, but at lesser depths than C. cyanops. It forages on or just above the substrate and its diet is mainly crustaceans and other invertebrates, with some small fish. [4] It is long-lived, able to reach 30–35 years old. [1]

Systematics

Caulolatilus chrysops was first formally described as Latilus chrysops in 1833 by the French zoologist Achille Valenciennes (1795-1865) with the type locality given as Brazil. [6] It is the type species of the genus Caulolatilus . [7] The specific name chrysops means gold-eye and refers to the Golden yellow stripe between the eye and mouth. [8]

Utilisation

Caulolatilus chrysops is a minor component of the sport fishing catch in the western Atlantic. It is a target species for commercial fisheries and is normally sold fresh. Tilefish are a quarry for the deep-water fishery of Puerto Rico which uses bottom lines and fish traps to take them. Brazil catches more of this species than other states with waters within its range for the aquarium trade. It is taken as bycatch in the shrimp fishery and in the scampi fishery of São Paulo State where it has commercial value. Tilefishes are targeted by commercial and sports fisheries in the southeastern United States and the Gulf of Mexico. [1]

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References

  1. 1 2 3 4 Dooley, J.; Collette, B.; Aiken, K.A.; Marechal, J.; Pina Amargos, F.; Kishore, R.; Singh-Renton, S. (2015). "Caulolatilus chrysops". IUCN Red List of Threatened Species . 2015: e.T16431990A16509707. doi: 10.2305/IUCN.UK.2015-4.RLTS.T16431990A16509707.en . Retrieved 20 November 2021.
  2. 1 2 Froese, Rainer; Pauly, Daniel (eds.) (2019). "Caulolatilus chrysops" in FishBase. December 2019 version.
  3. ↑ "Species: Caulolatilus chrysops, goldface tilefish". Shorefishes of the Greater Caribbean online information. Smithsonian Tropical Research Institute. Retrieved 10 March 2021.
  4. 1 2 K.J. Dooley (2002). "Branchiostegidae". In Carpenter, K.E. (ed.). The living marine resources of the Western Central Atlantic. Volume 2: Bony fishes part 1 (Acipenseridae to Grammatidae) (PDF). FAO Species Identification Guide for Fishery Purposes and American Society of Ichthyologists and Herpetologists Special Publication. Vol. 5. Rome, FAO. pp. 601–1374.
  5. ↑ "Caulolatilus chrysops". NC Fishes:Fishes of North Carolina. Retrieved 10 March 2021.
  6. ↑ Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Species in the genus Caulolatilus". Catalog of Fishes . California Academy of Sciences . Retrieved 10 March 2021.
  7. ↑ Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Genera in the family Malacanthidae". Catalog of Fishes . California Academy of Sciences . Retrieved 10 March 2021.
  8. ↑ Christopher Scharpf & Kenneth J. Lazara (18 September 2020). "Series EUPERCARIA (Incertae sedis): Families CALLANTHIIDAE, CENTROGENYIDAE, DINOLESTIDAE, DINOPERCIDAE, EMMELICHTHYIDAE, MALACANTHIDAE, MONODACTYLIDAE, MORONIDAE, PARASCORPIDIDAE, SCIAENIDAE and SILLAGINIDAE". The ETYFish Project Fish Name Etymology Database. Christopher Scharpf and Kenneth J. Lazara. Retrieved 10 March 2021.
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