Biology:Plectorhinchus lineatus
| Plectorhinchus lineatus | |
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Perciformes |
| Family: | Haemulidae |
| Genus: | Plectorhinchus |
| Species: | P. lineatus
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| Binomial name | |
| Plectorhinchus lineatus (Linnaeus, 1758)
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| Synonyms[1] | |
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Plectorhinchus lineatus, also known as the yellowbanded sweetlips, oblique-banded sweetlips, diagonal-banded sweetlips, Goldman's sweetlips, lined blubber-lips, lined sweetlips, many-lined sweetlips, striped sweetlips and yellowband 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 inhabits coral reefs of the western Pacific Ocean, where it occurs at depths from 1 to 35 m (3.3 to 114.8 ft).
Description
Plectorhinchus lineatus has fleshy lips which become moderately swollen with age, it has 6 pores on its chin but has no median pit.[2] The dorsal fin contains 12-13 spines and 18-19 soft rays while the anal fin has 3 spines and 7-8 soft rays.[1] The overall colour is light grey which becomes white on the belly. It has prominent yellow lips and the upper part of the body is marked with a large number of broken, diagonal black stripes. The fins are yellow, the caudal, anal and dorsal fins have black spots and the pelvic fins have red spots at their bases.[3] The juveniles have a few horizontal to slightly angled dark brown bands, these break up as the fish grows until the colour of the body looks dark chocolate brown above, broken up by a web of thin white lines running over the back. with continued growth the wide brown bars on the lower flanks break up into spots, which shrink farther as the fish grows.[2] This species attains a maximum total length of 72 cm (28 in).[1]
Distribution
Plectorhinchus lineatus is found in the eastern Indian Ocean and western Pacific Ocean. Its range extends from Indonesia east to Philippines and New Ireland, north to the Ryukyu Islands and Ogasawara Islandss, south to New Caledonia and Australia.[4] In Australia it is found at Scott Reef in Western Australia, Ashmore Reef in the Timor Sea and along the Great Barrier Reef as far south as the Capricorn Islands and the Gold Coast Seaway in Queensland.[3]
Habitat and biology
Plectorhinchus lineatus occurs in deep waters, at depths between 1 and 35 m (3 ft 3 in and 114 ft 10 in),[3] in both the inner and the outer reefs. Here it may be encountered either singly or in groups along coral slopes in clear water. The juveniles are solitary and are found on shallow, sheltered reefs. Typically nocturnal, they forage on open areas of sand and in beds of sea grass for benthic invertebrates during the night and resting during the day. Spawning aggregations have been noted off Palau around the new moon, this oviparous species forms pairs to spawn.[1] During the day they can often be found resting near coral brommies, columnar outcrops of coral which are often exposed at low tide.[5]
Systematics
Plectorhinchus lineatus was first formally described in 1758 by Linnaeus in the 10th edition of the Systema Naturae, he gave it the name Perca lineata.[6] Its specific name lineatus means "lined", presumably referring to many dark bars on body, horizontal on juveniles and subadults, diagonal on adults.[7]
Utilisation
Plectorhinchus lineatus is caught using handlines and spear with the catch being sold fresh, although a small amount is preserved by salting.[2]
Gallery
shoal of Plectorhinchus lineatus in Raja Ampat, 2010
Plectorhinchus lineatus at North Horn, Osprey Reef, Coral Sea, 2006
shoal of Plectorhinchus lineatus, 2013
Close up Plectorhinchus lineatus in Raja Ampat, 2020
shoal of Plectorhinchus lineatus, 2010
Plectorhinchus lineatus near Umakaduak Timor-Leste, 2006
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References
- ↑ 1.0 1.1 1.2 1.3 Froese, Rainer and Pauly, Daniel, eds. (2021). "Plectorhinchus lineatus" in FishBase. February 2021 version.
- ↑ 2.0 2.1 2.2 R.J. MacKay (2001). "Haemulidae". The Living Marine Resources of the Western Central Pacific Volume 5: Bony fishes part 3 (Menidae to Pomacentridae). FAO Species Identification Guide for Fishery Purposes. FAO Rome. p. 2974. http://www.fao.org/3/y0770e/y0770e21.pdf.
- ↑ 3.0 3.1 3.2 Bray, D.J.. "Plectorhinchus lineatus". Fishes of Australia. Museums Victoria. https://fishesofaustralia.net.au/home/species/457#summary. Retrieved 26 April 2021.
- ↑ Paolo Parenti (2019). "An annotated checklist of the fishes of the family Haemulidae (Teleostei: Perciformes)". Iranian Journal of Ichthyology 6 (3): 150–196. https://www.researchgate.net/profile/Paolo-Parenti/publication/332223321_An_annotated_checklist_of_the_fishes_of_the_family_Haemulidae/links/5da2f9b645851553ff8ceed6/An-annotated-checklist-of-the-fishes-of-the-family-Haemulidae.pdf?origin=publication_detail.
- ↑ "Plectorhinchus lineatus". Reef Life Survey. https://reeflifesurvey.com/species/plectorhinchus-lineatus/. Retrieved 26 April 2021.
- ↑ Eschmeyer, William N.; Fricke, Ron; van der Laan, Richard, eds. "Species in the genus Plectorhinchus". California Academy of Sciences. http://researcharchive.calacademy.org/research/ichthyology/catalog/fishcatget.asp?tbl=species&genus=Plectorhinchus.
- ↑ 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. https://etyfish.org/lutjaniformes/. Retrieved 26 April 2021.
External links
- Photos of Plectorhinchus lineatus on Sealife Collection
Wikidata ☰ Q1967430 entry
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