Redtail filefish (Pervagor melanocephalus) fish species and information / pictures of Redtail filefish - Pervagor melanocephalus

Redtail filefish (Pervagor melanocephalus) fish species information

Scientific Name
Pervagor melanocephalus

Common Name
Redtail filefish

Biology
Dorsal spines (total): 1 - 2; Dorsal soft rays (total): 30-33; Anal spines: 0; Anal soft rays: 27 - 30. Blackish brown or bluish black head and anterior portion of body, rest of the body orange. A black blotch surrounding the gill opening. Caudal fin orange; soft dorsal and anal fins yellow; first dorsal spine blackish brown. Pelvic rudiment large not broadly attached to posterior margin of ventral flap. Scale ridge rugosities of male usually develop at about 65 mm SL. Scale spinulation on midbody not closely packed.

Classification

Classified By

Bleeker, 1853

Class

Ray-finned fishes (Actinopterygii)

Order

Puffers and Filefishes (Tetraodontiformes)

Family

Filefishes (Monacanthidae)

Distribution

Region

Indo-West Pacific.

Distribution

Indo-West Pacific.

Range

30°N - 24°S

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

20 m

Depth To - meters

40 m

Zone

reef-associated

Environment

Marine; reef-associated; depth range 20 - 40 m (Ref. 1602), usually 20 - ? m (Ref. 1602)

Trophic Level

2.88 s.e. 0.40 Based on size and trophs of closest relatives

Occurs in Marine / Salt water

True

Occurs in Brackish water

False

Occurs in Fresh Water

False

Occurs on Reefs

True

Is kept in Aquariums

True

Physical Size and Genetics

Maximum Length

16.0 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.5039 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Fisheries: minor commercial; aquarium: commercial

Vulnerability

Low to moderate vulnerability (26 of 100)

Resilience

High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated