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Blotchfin dragonet (Callionymus filamentosus) fish species and information / pictures of Blotchfin dragonet - Callionymus filamentosus

Blotchfin dragonet (Callionymus filamentosus) fish species information

Scientific Name
Callionymus filamentosus

Common Name
Blotchfin dragonet

Biology
Dorsal spines (total): 4; Dorsal soft rays (total): 9; Anal spines: 0; Anal soft rays: 9. Light brown in color with dark spots on sides; fins with dark brown spots; males with black stripes or blotches on 1st dorsal fin, females with black blotch on 3rd membrane (Ref. 4405). Ventral margin of preopercular spine convex (Ref 42832).

Classification

Classified By

Valenciennes, 1837

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Dragonets (Callionymidae)

Distribution

Region

Indo-West Pacific

Distribution

Indo-West Pacific: Red Sea south to Delagoa Bay, Mozambique and eastward to Taiwan. Migrated to the Mediterranean Sea via the Suez Canal (Ref. 5385).

Range

54°N - 29°S, 24°E - 157°E

Environment

Climate

Subtropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

16 m

Depth To - meters

350 m

Zone

demersal

Environment

Marine; demersal; depth range 16 - 350 m (Ref. 58488)

Trophic Level

3.27 s.e. 0.39 Based on food items.

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

20.0 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 (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