Scientific Name
Sillago intermedius

Common Name
Intermediate sillago

Biology
Dorsal spines (total): 12; Dorsal soft rays (total): 21-22; Anal spines: 2; Anal soft rays: 21 - 22; Vertebrae: 34. Swim bladder with two posterior extensions; anterior margin with two divergent blind tubes that extend to the basioccipital above the auditory capsule; an anterolateral extension on each side, each sending a blind tubule anteriorly and then recurving posteriorly along the abdominal wall as a simple tube to terminate just posterior to the duct-like process.

Classification

Classified By

Wongratana, 1977

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Smelt-whitings (Sillaginidae)

Distribution

Region

Eastern Indian Ocean

Distribution

Eastern Indian Ocean: India and Thailand. Sillago intermedius is similar to Sillago sihama.

Range

24°N - 6°N, 68°E - 106°E

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

0 m

Depth To - meters

10 m

Zone

demersal

Environment

Marine; demersal; non-migratory; depth range 0 - 10 m (Ref. 6205)

Trophic Level

3.24 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

20.0 cm

Common Length

20.0 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: subsistence fisheries

Vulnerability

Low vulnerability (21 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