Serranus tigrinus

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Serranus tigrinus
Harlequin Bass (Serranus tigrinus).jpg
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Perciformes
Family: Serranidae
Subfamily: Serraninae
Genus: Serranus
Species:
S. tigrinus
Binomial name
Serranus tigrinus
(Bloch, 1790)
Synonyms [2]

Holocentrus tigrinusBloch, 1790

Serranus tigrinus, the harlequin bass, is a species of marine ray-finned fish, a sea bass from the subfamily Serraninae, which is a part of the family Serranidae, which also includes the groupers and the anthias. It can be found in the western Atlantic Ocean, and also in aquarium trades.

Contents

Description

Serranus tigrinus has a laterally compressed elongate body with a pointed snout which is shorter than the diameter of the eye. It has 3 clearly visible spines on the gill cover, the middle spine being straight. The margins of the preopercle are regularly serrated but there are no spines at its angle. The dorsal fin has 10 spines and 12 soft rays while the anal fin contains 3 spines and 7 soft rays. The caudal fin is slightly concave. [3] This species has a black and white mottle pattern on its back and a yellow and black mottled pattern on the lower body. [4] A black strip runs from the snout through the eye, and the chin and throat have large black blotches on a white background. There are 8 vertical black bars, 2 on the nape and 6 on the body. The caudal fin has a black bar at its base and the membrane is marked with black spots. The dorsal fin has two lines of black spots along it while the base of the anal fin has a single line of black spots. [3] The maximum published total length is 29 centimetres (11 in). [2]

Distribution

Serranus tigrinus is a species of the western Atlantic Ocean where it is found throughout the Caribbean from southern Florida to Trinidad and Tobago, including the mainland coast from the Yucatan Peninsula of Mexico to Venezuela. [1]

Habitat and biology

Serranus tigrinus is normally encountered as individuals or in pairs in the rocky parts of reefs or where there is scattered coral. [5] It is found at depths of 0 to 40 metres (0 to 131 ft). [1] It is a carnivorous species, and hunts by drawing prey, usually small crustaceans, into its large mouth and swallowing it whole. [5] This species is a synchronous hermaphrodite, which means that they have both male and female reproductive organs and can take on a male or female role in spawning; self fertilisation is possible as well. [2]

Taxonomy

Serranus tigrinus was first formally described in 1790 as Holocentrus tigrinus by the German physician and naturalist Marcus Elieser Bloch (1723–1799) with the type locality given in error as the "Indian Ocean". [6]

Utilisation

Serranus tigrinus is found in the aquarium trade. [7] [4]

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References

  1. 1 2 3 Sadovy, Y.J. (2017) [errata version of 2010 assessment]. "Serranus tigrinus". IUCN Red List of Threatened Species . 2010: e.T154799A115236890. doi: 10.2305/IUCN.UK.2010-4.RLTS.T154799A4636074.en . Retrieved 10 September 2020.
  2. 1 2 3 Froese, Rainer; Pauly, Daniel (eds.) (2019). "Serranus tigrinus" in FishBase. December 2019 version.
  3. 1 2 "Species: Serranus tigrinus, Harlequin bass". Shorefishes of the Greater Caribbean online information system. Smithsonian Tropical Research Institute. Retrieved 10 September 2020.
  4. 1 2 "Harlequin Bass". liveaquaria.com. Retrieved 10 September 2020.
  5. 1 2 "Harlequin Bass (Serranus tigrinus)". WHATSTHATFISH. Retrieved 10 September 2020.
  6. ↑ Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Holocentrus tigrinus". Catalog of Fishes . California Academy of Sciences . Retrieved 10 September 2020.
  7. ↑ "Harlequin bass". Masterfisch. Retrieved 10 September 2020.
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