Blackfin slatey (Diagramma melanacra)

Scientific name: Diagramma melanacra Johnson & Randall, 2001

The Blackfin slatey (Diagramma melanacra) is a marine fish of the family Haemulidae. Native range: Western Central Pacific, Indonesia, Borneo and the Philippines. Also known from Ashmore Reef in the Timor Sea.

Biology

Dorsal spines (total): 10 - 11; Dorsal soft rays (total): 22-24; Anal spines: 3; Anal soft rays: 6 - 7. Tubed lateral line scales 55-57; outer row of teeth in jaws slightly enlarged, movable; swim bladder with 3 short anterior projections; third or fourth dorsal spine longest, 1.8-1.9 in head; first dorsal spine 1.7-2.3 in length of second; interspinous membrane of dorsal fin not incised; pelvic fins reaching vent or slightly beyond, 1.2-1.3 in head; body light yellow dorsally, shading to pale silvery grey on sides and ventrally, with numerous small dark brown spots, which are smaller and form oblique rows on body below lateral line; head light purplish grey with numerous small dark brown spots, opercular membrane black; dorsal fin and upper 3/4 of caudal fin with small dark spots; lower 1/4 of caudal fin black; anal and pelvic fins mainly black. Juveniles from 13.3 cm SL with spots about size of pupil on head, body, dorsal and caudal fins becoming prog

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Diagramma melanacra
Family
Haemulidae (Grunts)
Order
Perciformes (Perch-like fish)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
45.0
Environment
Marine; benthopelagic
Climate
Tropical
Distribution
Western Central Pacific: Indonesia, Borneo and the Philippines. Also known from Ashmore Reef in the Timor Sea.
Conservation status (IUCN)
Not Evaluated
Threat to humans
Harmless
Resilience
Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.)

Sources

Taxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.

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