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Sand dragonet (Callionymus marleyi) fish species and information / pictures of Sand dragonet - Callionymus marleyi

Sand dragonet (Callionymus marleyi) fish species information

Scientific Name
Callionymus marleyi

Common Name
Sand dragonet

Biology
Dorsal spines (total): 4; Dorsal soft rays (total): 9; Anal spines: 0; Anal soft rays: 8. Color varies from yellow to dark brown; 1st dorsal fin of males light grey with dark lines, 1st and 4th spines longest; 1st dorsal fin of females black, 1st spine longest, 4th spine shortest (Ref. 4405).

Classification

Classified By

Regan, 1919

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Dragonets (Callionymidae)

Distribution

Region

Western Indian Ocean

Distribution

Western Indian Ocean: southern Red Sea to the Cape of Good Hope, the Persian Gulf, and southwestern India (Ref. 9608, 4405).

Range

Unknown

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

1 m

Depth To - meters

20 m

Zone

demersal

Environment

Marine; demersal; depth range 1 - 20 m (Ref. 4405)

Trophic Level

3.33 s.e. 0.48 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

13.0 cm

Common Length

10.0 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: minor commercial

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