Orangetail filefish (Pervagor aspricaudus)

Scientific name: Pervagor aspricaudus Hollard, 1854

Orangetail filefish (Pervagor aspricaudus)

The Orangetail filefish (Pervagor aspricaudus) is a marine fish of the family Monacanthidae.

Biology

Dorsal spines (total): 1 - 2; Dorsal soft rays (total): 31-35; Anal spines: 0; Anal soft rays: 28 - 32. First dorsal spine strong. Posterior margin of ventral flap narrowly attached to large pelvic fin rudiment. Scale spinulation in midbody not closely packed. Body and head color variable; orange to brown iris; caudal fin yellow or orange; soft dorsal and anal fins clear to yellowish; spinous dorsal dark brown to brownish orange; pectorals clear. Numerous spots in head and body appear as dashes or lines Male scale ridge rugosities usually develop at about 60 mm SL.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Pervagor aspricaudus
Family
Monacanthidae (Filefishes)
Order
Tetraodontiformes (Puffers and Filefishes)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
13.0
Depth range
1–25 m (3–82 ft)
Environment
Marine; reef-associated; depth range 1 - 25 m
Climate
Tropical
Distribution
Indo-West Pacific: Mauritius, Christmas Island, southern Japan, Marcus Islands, southern Taiwan, Australia, New Caledonia, Marshall Islands, Johnston Island, and Hawaiian Islands; distribution anti-equatorial. Recently reported from Tonga. Replaced by Pervagor marginalis in the Line and Marquesan Islands.
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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