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Painted sweetlips

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(Redirected from Diagramma pictum) Species of fish

Painted sweetlips
Conservation status
Not evaluated (IUCN 3.1)(Global)

Near Threatened  (IUCN 3.1) (Persian Gulf)
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Acanthuriformes
Family: Haemulidae
Genus: Diagramma
Species: D. pictum
Binomial name
Diagramma pictum
(Thunberg, 1792)
Synonyms
  • Perca picta Thunberg, 1792
  • Plectorhinchus pictus (Thunberg, 1792)
  • Spilotichthys pictus (Thunberg, 1792)

The painted sweetlips (Diagramma pictum), also known as the Australian slatey, blackall, bluey, grey sweetlips, moke, morwong, mother-in-law fish, painted blubber-lips, slate bream, slate sweetlips, smokey bream, thicklip or yellowdot sweetlips is a species of marine ray-finned fish, a sweetlips belonging to the family Haemulidae. It is widespread throughout the tropical waters of the Indo-West Pacific region.

Description

The painted sweetlips has fleshy lips which increase in size as the fish matures. There are 6 pores on the chin but the median pit is absent. The dorsal fin contains 9–10 spines and 22–25 soft rays while the anal fin contains 3 spines and 7 soft rays. The adults are predominantly blue-grey in colour marked with bright yellow to golden orange spots these frequently form a pattern of lines on the head. The inside of the mouth is vivid orange to red. The dorsal fins have black margins, the anal and pelvic fins have black tips. The juveniles have clear alternating black and white stripes. Their underparts are silvery yellow and they have yellow dorsal and caudal fins yellow marked with black blotches and broken stripes. The stripes grow as the fish grows and begin to split into small circular spots then they fade on body although sometimes they are retained on the caudal fin. This species attains a maximum total length of 100 cm (39 in), although 55 cm (22 in) is a more common length, and the maximum published weight is 6.3 kg (14 lb).

Juveniles

Distribution

The painted sweetlips has a wide Indo-Pacific distribution. Its range extends from the eastern coast of Africa from the Red Sea to KwaZulu-Natal eastwards as far as Fiji and north to Japan. It is not found in Australia and is mostly absent from the southern coast of New Guinea.

Habitat and biology

The painted sweetlips is found solitarily or in groups, frequently in turbid water. Its habitat can encompass open muddy, sandy or silty substrates in protected bays or estuaries, around rock outcrops, shipwrecks and rubble. It can also occur in shallow coastal waters and on coral reefs. The juveniles prefer weedy habitats. They feed on benthic invertebrates and smaller fishes. The males and females form distinct pairs when spawning. It is found as deep as 80 m (260 ft) and is most common over silty substrates.

Parasites

As other fish, the painted sweetlips is the host of many parasites. These include the lepocreadiid digenean Holorchis castex and the monorchiid digenean Lasiotocus plectorhynchi in the intestine and the cystidicolid nematode Metabronemoides mirabilis in the stomach.

Systematics

The painted sweetlips was first formally described as Perca picta in 1792 by the Swedish naturalist Carl Peter Thunberg with the type locality given as Japan. When Lorenz Oken described the genus Diagramma he used Bloch's Anthias diagramma as its type species, this was shown to be a synonym of Thunberg's Perca picta, so Diagramma pictum is the type species of the genus Diagramma. The Australian species Diagramma labiosum has been considered a subspecies of this species, D. p. labiosum,, by some authorities. The specific name pictum means "painted" and is a reference to the bold black and white striped pattern of the juveniles.

Three boiled fillets of painted sweetlips on a plate.

Utilisation

The painted sweetlips is caught using handlines and by spear fishing. It is a common species that is typically marketed fresh, although a small quantity is preserved by salting. The toxin ciguatoxin has been detected in this species, this toxin is the cause of ciguatera poisoning in humans.

References

  1. Russell, B.; Iwatsuki, Y.; Carpenter, K.E.; Hartmann, S. (2015). "Diagramma pictum (Persian Gulf assessment)". IUCN Red List of Threatened Species. 2015: e.T46085892A57127586. Retrieved 1 July 2024.
  2. ^ Froese, Rainer; Pauly, Daniel (eds.). "Diagramma pictum". FishBase. February 2021 version.
  3. ^ R.J. MacKay (2001). "Haemulidae". In Carpenter, K.E. & Neim, Volker H. (eds.). The Living Marine Resources of the Western Central Pacific Volume 5: Bony fishes part 3 (Menidae to Pomacentridae) (PDF). FAO Species Identification Guide for Fishery Purposes. FAO Rome. p. 2983.
  4. "Diagramma pictus Thunberg 1792". Maldives Fishes. Retrieved 14 April 2021.
  5. Bray, R. A. & Justine, J.-L. (2007). "Holorchis castex n. sp. (Digenea: Lepocreadiidae) from the painted sweet-lips Diagramma pictum (Thunberg, 1792) (Perciformes: Haemulidae) from New Caledonia". Zootaxa. 1426: 51–56.
  6. Moravec, F. E.; Justine, J. L. (2010). "Two new genera and species of cystidicolids (Nematoda, Cystidicolidae) from marine fishes off New Caledonia". Parasitology International. 59 (2): 198–205. doi:10.1016/j.parint.2010.01.005. PMID 20129064.
  7. Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Species in the genus Diagramma". Catalog of Fishes. California Academy of Sciences. Retrieved 14 April 2021.
  8. Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Genera in the family Haemulidae". Catalog of Fishes. California Academy of Sciences. Retrieved 14 April 2021.
  9. Bray, D.J. (2017). "Diagramma pictum labiosum". Fishes of Australia. Museums Victoria. Retrieved 14 April 2021.
  10. Scharpf, Christopher; Lazara, Kenneth J., eds. (5 January 2021). "Order LUTJANIFORMES: Families HAEMULIDAE and LUTJANIDAE". The ETYFish Project Fish Name Etymology Database. Christopher Scharpf and Kenneth J. Lazara. Retrieved 14 April 2021.

External links

Taxon identifiers
Diagramma pictum
Perca picta

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