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Obscure triplefin (Gilloblennius abditus) fish species and information / pictures of Obscure triplefin - Gilloblennius abditus

Obscure triplefin (Gilloblennius abditus) fish species information

Scientific Name
Gilloblennius abditus

Common Name
Obscure triplefin

Biology
Dorsal spines (total): 15 - 17; Dorsal soft rays (total): 11-12; Anal spines: 0; Anal soft rays: 20 - 21. Distinctive 'tear-drop' marking on lower rear edge of eye. Larger blocks of brown above lateral line. Fin rays pale brown and membrane of fins transparent with irregular light and dark brown lines. Males: head and body olive green; fins mottled grey to reddish brown or olive green. Females: light brown covered with darker brown flecks. Distinguished from other triplefins by the absence of scales along the dorsal and anal fin bases.

Classification

Classified By

Hardy, 1986

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Threefin blennies (Tripterygiidae)

Distribution

Region

Southwest Pacific

Distribution

Southwest Pacific: known only from New Zealand.

Range

Unknown

Environment

Climate

Temperate

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

0 m

Depth To - meters

10 m

Zone

demersal

Environment

Marine; demersal; depth range 0 - 10 m (Ref. 9003)

Trophic Level

3.25 s.e. 0.32 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

False

Is kept in Aquariums

False

Physical Size and Genetics

Maximum Length

6.4 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.7500 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Fisheries: of no interest

Vulnerability

Low vulnerability (13 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