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Longtail dragonet (Callionymus gardineri) fish species and information / pictures of Longtail dragonet - Callionymus gardineri

Longtail dragonet (Callionymus gardineri) fish species information

Scientific Name
Callionymus gardineri

Common Name
Longtail dragonet

Biology
Dorsal spines (total): 4; Dorsal soft rays (total): 9; Anal spines: 0; Anal soft rays: 8. Body light to dark brown in color; black blotch on distal portion of 3rd dorsal spine; black submarginal band on anal fin (Ref. 4405).

Classification

Classified By

Regan, 1908

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Dragonets (Callionymidae)

Distribution

Region

Western Indian Ocean

Distribution

Western Indian Ocean: south to Natal, South Africa.

Range

Unknown

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

30 m

Depth To - meters

180 m

Zone

demersal

Environment

Marine; demersal; depth range 30 - 180 m (Ref. 4405)

Trophic Level

3.39 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

False

Is kept in Aquariums

False

Physical Size and Genetics

Maximum Length

28.0 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.5000 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 to moderate vulnerability (32 of 100)

Resilience

Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated