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Long-rayed sand-diver (Trichonotus elegans) fish species and information / pictures of Long-rayed sand-diver - Trichonotus elegans

Long-rayed sand-diver (Trichonotus elegans) fish species information

Scientific Name
Trichonotus elegans

Common Name
Long-rayed sand-diver

Biology
Dorsal spines (total): 3; Dorsal soft rays (total): 43-45; Anal spines: 1; Anal soft rays: 39 - 42. Identified by the long filaments on the dorsal fin of the male (Ref. 48636). Body scaleless above and below lateral line on anterior half (Ref 12934).

Classification

Classified By

Shimada & Yoshino, 1984

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Sanddivers (Trichonotidae)

Distribution

Region

Western Indian Ocean

Distribution

Western Indian Ocean: Maldives (Ref. 30829). Western Pacific: Indonesia to Fiji, north to the Ryukyu Islands, south to the Coral Sea.

Range

Unknown

Environment

Climate

Subtropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

10 m

Depth To - meters

30 m

Zone

reef-associated

Environment

Marine; reef-associated; depth range 10 - 30 m (Ref. 559)

Trophic Level

3.46 s.e. 0.45 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

False

Physical Size and Genetics

Maximum Length

18.0 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.5039 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Unknown

Vulnerability

Low vulnerability (12 of 100)

Resilience

Unknown

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated