Blackbar filefish (Pervagor janthinosoma)

Scientific name: Pervagor janthinosoma Bleeker, 1854

Blackbar filefish (Pervagor janthinosoma)

The Blackbar filefish (Pervagor janthinosoma) is a marine fish of the family Monacanthidae. Native range: Indo-Pacific, East Africa to Samoa, north to southern Japan, south to New South Wales and Tonga.

Biology

Dorsal spines (total): 1 - 2; Dorsal soft rays (total): 29-34; Anal spines: 0; Anal soft rays: 26 - 30. Body and head color variable. Blackish to dark bluish branchial blotch extending dorsally to level well above the lower margin of eye and may include ventrally the pectoral fin base and axil. Iris usually dark brown. Orange to red caudal fin soft dorsal and anal fins clear, orange or yellow with spots; pectorals clear. Scale spinulation at midbody closely packed. Male scale ridge rugosities develop at about 80 mm SL developed. Strong first dorsal spine. Large pelvic fin rudiment narrowly attached to posterior margin of ventral flap.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Pervagor janthinosoma
Family
Monacanthidae (Filefishes)
Order
Tetraodontiformes (Puffers and Filefishes)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
13.0
Depth range
8–20 m (26–66 ft)
Environment
Marine; reef-associated; depth range 8 - 20 m
Climate
Tropical
Distribution
Indo-Pacific: East Africa to Samoa, north to southern Japan, south to New South Wales and Tonga.
Conservation status (IUCN)
Not Evaluated
Threat to humans
Harmless
Resilience
High, minimum population doubling time less than 15 months (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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