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Large-headed sillago (Sillago megacephalus) fish species and information / pictures of Large-headed sillago - Sillago megacephalus

Large-headed sillago (Sillago megacephalus) fish species information

Scientific Name
Sillago megacephalus

Common Name
Large-headed sillago

Biology
Dorsal spines (total): 12; Dorsal soft rays (total): 22; Anal spines: 2; Anal soft rays: 23. Very similar to S. sihama but with the head length 33% of standard length.

Classification

Classified By

Lin, 1933

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Smelt-whitings (Sillaginidae)

Distribution

Region

Northwest Pacific

Distribution

Northwest Pacific: Hainan, China. This species is possibly a junior synonym of Sillago sihama.

Range

23°N - 16°N, 105°E - 113°E

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

Unknown m

Depth To - meters

Unknown m

Zone

demersal

Environment

Marine; demersal; non-migratory

Trophic Level

3.21 s.e. 0.42 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

15.8 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

Unknown

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