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Tetraodontiformes (Puffers and filefishes) >
Monacanthidae (Filefishes)
Etymology: Pervagor: Latin, pervagor = nomadic, itinerant.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; reef-associated. Tropical
Eastern Central Pacific: found only at the Marquesas and Line islands.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 6.2 cm SL male/unsexed; (Ref. 527)
Dorsal spines (total): 1; Dorsal soft rays (total): 30 - 32; Anal spines: 0; Anal soft rays: 27 - 29; Vertebrae: 19. Head and body grayish brown when fresh; iris brown; caudal fin orange with black posterior margin; spinous dorsal fin dark brown. Usually a broad and blackish bar passing from nape, through eye, to pectoral base. Large pelvic rudiment not broadly attached to posterior margin of ventral flap. 1 - 5 spinules on midbody scales, middle spinule longest; scale spinules on posterior half of body becoming progressively more elongate, extremities of those on caudal peduncle of male curving forward; male with scale rugosities developing at about 50 mm SL
Body shape (shape guide): short and / or deep; Cross section: compressed.
Occurs in rocky reefs to depths of 25 m.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Hutchins, J.B., 1986. Review of the monacanthid fish genus Pervagor, with descriptions of two new species. Indo-Pac. Fish. (12):35 p. (Ref. 527)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Harmless
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