Blacklined filefish (Pervagor nigrolineatus) fish species and information / pictures of Blacklined filefish - Pervagor nigrolineatus

Blacklined filefish (Pervagor nigrolineatus) fish species information

Scientific Name
Pervagor nigrolineatus

Common Name
Blacklined filefish

Biology
Dorsal spines (total): 1 - 2; Dorsal soft rays (total): 29-33; Anal spines: 0; Anal soft rays: 25 - 30. Dark brownish green to grayish green head and back, lower portions noticeably whitish; dark brown to pale orange iris; dark brown lips. Caudal fin membranes usually orange anteriorly, dusky posteriorly; other fins clear; spinous dorsal similar to body color. Pelvic fin rudiment moderate in size, broadly attached to posterior margin of ventral flap. Midbody scales variable in size. Scale rugosities in males usually develop at about 50 mm SL. Varies considerably with respect to squamation, coloration, fin-ray counts and max. size across its range.

Classification

Classified By

Herre, 1927

Class

Ray-finned fishes (Actinopterygii)

Order

Puffers and Filefishes (Tetraodontiformes)

Family

Filefishes (Monacanthidae)

Distribution

Region

Western Pacific

Distribution

Western Pacific: Japan to Western Australia and the Solomon Islands.

Range

25°N - 18°S

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

8 m

Depth To - meters

25 m

Zone

reef-associated

Environment

Marine; reef-associated; depth range 8 - 25 m (Ref. 9710)

Trophic Level

2.9 s.e. 0.41 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

False

Physical Size and Genetics

Maximum Length

10.0 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

Unknown

Vulnerability

Low vulnerability (20 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