Plectroglyphidodon dickii

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Plectroglyphidodon dickii
Blackbar damsel (Plectroglyphidodon dickii) (41949800530).jpg
P. dickii with white tail
Plectroglyphidodon dickii Landaagiraavaru.JPG
With orange tail
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Family: Pomacentridae
Genus: Plectroglyphidodon
Species:
P. dickii
Binomial name
Plectroglyphidodon dickii
(Liénard, 1839)
Synonyms [1]
  • Glyphidodon unifasciatus Kner & Steindachner, 1867
  • Paraglyphidodon dickii(Liénard, 1839)
  • Plectoglyphidodon dickii(Liénard, 1839)
  • Abudefduf dicki(Liénard, 1839)
  • Plectroglypidodon dickii(Liénard, 1839)
  • Plectrogliphidodon dickii(Liénard, 1839)
  • Abudefduf dickii(Liénard, 1839)
  • Glyphisodon dickiiLiénard, 1839

Plectroglyphidodon dickii, common name blackbar devil, Dick's damsel or narrowbar damselfish, is a species of damselfish in the family Pomacentridae. [2] This species was formerly classified as Dascyllus aruanus , but recently the populations of western Indian Ocean and Pacific Ocean have been split off. [3]

Contents

Etymology

The genus epithet Plectroglyphidodon derives from the Greek words plektron (meaning = anything to strike with, spur), plus the suffixes glyphis (mening carved) and odous (meaning teeth). [4]

Distribution

This species is present in the Indo-Pacific, from East Africa to the Line Islands and Tuamotu, north to Japan, south to Australia and east to French Polynesia. [4] [5]

P. dickii amongst branching corals in French Polynesia Pomacanthidae - Plectroglyphidodon dickii.JPG
P. dickii amongst branching corals in French Polynesia

Habitat

These tropical marine reef-associated damselfishes occur in shallow coral reefs, especially with branching corals, in areas of high wave action, in clear waters lagoons and seaward reefs, at depths of 1 to 15 m. They are commonly present with Pocillopora or Acropora corals. [4] [5] [6] [7]

Description

Plectroglyphidodon dickii can reach a body length of about 9–11 cm (3.5–4.3 in). These damselfishes have a compact and stocky body, with 12 dorsal spines, 16-18 dorsal soft rays, 2 anal spines and 14-16 anal soft rays. [4] The background coloring is mainly light brown with very visible scales and a small vertical black bar crossing the rear of the body, just ahead of the caudal area. The eyes show light blue rings and light purple markings. The dorsal, pectoral and pelvic fins are yellow orange or light brown, while the caudal fin is white, more rarely orange, with a transparent blue shaded fringe on the rear. The operculum sometimes shows a purplish tinge. Also the caudal peduncle can be white or orange. [5] [8]

Biology

These damselfishes usually live in groups, but they are often encountered as solitary and highly territorial individuals. They commonly feed on filamentous algae, benthic small invertebrates and sometimes on small fishes. [5] They are oviparous. Eggs are demersal and adhere to the substrate, always protected and aerated by the male. [4] [6]

Bibliography

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References