Plectroglyphidodon dickii (Liénard, 1839) Blackbar devil |
photo by
Patzner, R. |
Family: | Pomacentridae (Damselfishes), subfamily: Microspathodontinae | |||
Max. size: | 11.6 cm TL (male/unsexed); max.weight: 35.6 g | |||
Environment: | reef-associated; marine; depth range 0 - 20 m, non-migratory | |||
Distribution: | Indo-Pacific: East Africa to the Line and Tuamoto islands, north to Japan, south to Australia. | |||
Diagnosis: | Dorsal spines (total): 12-12; Dorsal soft rays (total): 16-18; Anal spines: 2-2; Anal soft rays: 14-16. Description: Overall yellowish light brown except tail, vertical bar black broad posterior (Ref. 90102). Easily identified by the white tail (Ref. 48636). Lips swollen. Body depth 1.8-1.9 in SL (Ref. 90102) | |||
Biology: | Adults inhabit coral-rich and surge areas of clear lagoon and seaward reefs (Ref. 1602). Commonly associated with Pocillopora or Acropora corals (Ref. 1602). Feed on filamentous algae, small benthic invertebrates, and occasionally small fishes (Ref. 1602). Oviparous, distinct pairing during breeding (Ref. 205). Eggs are demersal and adhere to the substrate (Ref. 205). Males guard and aerate the eggs (Ref. 205). Diurnal species (Ref. 54980; 113699). | |||
IUCN Red List Status: | Near Threatened (NT); Date assessed: 23 September 2021 (A2c) Ref. (130435) | |||
Threat to humans: | harmless |