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Japanese dragonet (Synchiropus ijimae) fish species and information / pictures of Japanese dragonet - Synchiropus ijimae

Japanese dragonet (Synchiropus ijimae) fish species information

Scientific Name
Synchiropus ijimae

Common Name
Japanese dragonet

Biology
Dorsal spines (total): 4; Dorsal soft rays (total): 8; Anal spines: 0; Anal soft rays: 7. A pair of supraorbital cirri present. The first dorsal fin of male high, broad and with many narrow white lines. Preopercular spine with an antrorse process at base which is absent in N. ocellatus and N. morrisoni. Attains 7 cm SL.

Classification

Classified By

Jordan & Thompson, 1914

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Dragonets (Callionymidae)

Distribution

Region

Northwest Pacific

Distribution

Northwest Pacific: Japan (Ref. 559) and South Korea (Ref. 77001).

Range

Unknown

Environment

Climate

Temperate

Water Temperature From

18 °C

Water Temperature To

22 °C

Depth From - meters

10 m

Depth To - meters

20 m

Zone

reef-associated

Environment

Marine; reef-associated; depth range 10 - 20 m (Ref. 9710), usually 10 - 20 m (Ref. 27115)

Trophic Level

3.46 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

10.0 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

Aquarium: commercial

Vulnerability

Low vulnerability (15 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