Plectorhinchus ceylonensis

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Plectorhinchus ceylonensis
Scientific classification Red Pencil Icon.png
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Perciformes
Family: Haemulidae
Genus: Plectorhinchus
Species:
P. ceylonensis
Binomial name
Plectorhinchus ceylonensis
Synonyms [2]

Gaterin ceylonensisJ.L.B. Smith. 1956

Plectorhinchus ceylonensis, the Sri Lanka sweetlips, is a species of marine ray-finned fish, a sweetlips belonging to the subfamily Plectorhinchinae, one of two subfamilies in the family Haemulidae, the grunts. It is native to the Indian Ocean around Sri Lanka. It inhabits waters over coral reefs at depths from 5 to 20 m (16 to 66 ft). This species is rarely found in the aquarium trade.

Contents

Description

Plectorhinchus ceylonensis has thick, fleshy lips and there are 6 pores on the chin but n central pit. It is slaty-grey in colour with a greenish yellow bar running from the eye to the tip of snout. [3] The dorsal fin contains 14 spines and 19 soft rays while the anal fin has 3 spines and 7 soft rays. This species can reach a maximum total length of 44 cm (17 in). [2]

Distribution

Plectorhinchus ceylonensis is found in the central Indian Ocean. Its range covers southeastern India and Sri Lanka north and east into the Andaman Sea, as far as the coast of Bangladesh and Myanmar. [1]

Habitat and biology

Plectorhinchus ceylonensis is found at depths between 5 and 20 m (16 and 66 ft), commonly occurring in the vicinity of shallow sandstone platforms and coastal fringing reefs. It is a social species which shows a tendency to gather in aggregations which may be quite large. [1] It is a carnivorous species which feeds on benthic invertebrates and zooplankton. [4] It is an oviparous species which spawns as distinct pairs. [2]

Systematics

Plectorhinchus ceylonensis was first formally described in 1965 as Gaterin ceylonensis by the South African ichthyologist James Leonard Brierley Smith with the type locality being Sri Lanka. [5] The specific name ceylonensis refers to the old name for Sri Lanka, Ceylon. [6]

Utilisation

Plectorhinchus ceylonensis is fished for around Sri Lanka using handlines and gill nets and the catch is sold fresh. Catch statistics are not reported for this species. [3] It is not an appropriate fish for the home aquarium. [4]

Related Research Articles

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<i>Plectorhinchus albovittatus</i> Species of fish

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<i>Plectorhinchus gibbosus</i> Species of fish

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<i>Lutjanus biguttatus</i> Species of fish

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<i>Plectorhinchus caeruleonothus</i> Species of fish

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<i>Plectorhinchus gaterinus</i> Species of fish

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African striped grunt Species of fish

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References

  1. 1 2 3 Russell, B.; Borsa, P.; Govender, A. (2019). "Plectorhinchus ceylonensis". IUCN Red List of Threatened Species . 2019: e.T141363164A141796299. doi: 10.2305/IUCN.UK.2019-2.RLTS.T141363164A141796299.en . Retrieved 20 November 2021.
  2. 1 2 3 Froese, Rainer and Pauly, Daniel, eds. (2021). "Plectorhinchus ceylonensis" in FishBase. February 2021 version.
  3. 1 2 McKay, R.J. (1984). "Haemulidae". In W. Fischer & G. Bianchi (eds.). FAO species identification sheets for fishery purposes. Western Indian Ocean (Fishing Area 51). Vol. 2 (PDF). FAO, Rome.
  4. 1 2 "Plectorhinchus ceylonensis Sri Lanka Sweetlips, Sri Lanka Sweetlip". reeflex.net. Retrieved 23 April 2021.
  5. ↑ Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Species in the genus Plectorhinchus". Catalog of Fishes . California Academy of Sciences . Retrieved 23 April 2021.
  6. ↑ Christopher Scharpf; Kenneth J. Lazara, eds. (5 January 2021). "Order LUTJANIFORMES: Families HAEMULIDAE and LUTJANIDAE". The ETYFish Project Fish Name Etymology Database. Christopher Scharpf and Kenneth J. Lazara. Retrieved 23 April 2021.
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