Burmese River ilisha (Ilisha novacula) fish species and information / pictures of Burmese River ilisha - Ilisha novacula

Burmese River ilisha (Ilisha novacula) fish species information

Scientific Name
Ilisha novacula

Common Name
Burmese River ilisha

Biology
Dorsal spines (total): 0; Dorsal soft rays (total): 0; Anal spines: 0; Anal soft rays: 43 - 45. Body rather slender, belly with 24 to 25 + 10 or 11, total 34 to 36 scutes. Eye large, lower jaw projecting. Dorsal fin origin behind midpoint of body; anal fin origin below dorsal fin base. Swim bladder without a posterior tube (or tubes) passing backward into the body muscles. No toothed hypo-maxilla between hind tip of pre-maxilla and blade of maxilla.

Classification

Classified By

Valenciennes, 1847

Class

Ray-finned fishes (Actinopterygii)

Order

Herrings (Clupeiformes)

Family

Pristigasterids (Pristigasteridae)

Distribution

Region

Asia

Distribution

Asia: Myanmar rivers (Irrawaddy at Rangoon and Mandalay; Sittang River).

Range

24°N - 14°N

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

Unknown m

Depth To - meters

Unknown m

Zone

pelagic

Environment

Freshwater; pelagic; amphidromous (Ref. 51243)

Trophic Level

3.49 s.e. 0.54 Based on size and trophs of closest relatives

Occurs in Marine / Salt water

False

Occurs in Brackish water

False

Occurs in Fresh Water

True

Occurs on Reefs

False

Is kept in Aquariums

False

Physical Size and Genetics

Maximum Length

32.0 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

Fisheries: subsistence fisheries

Vulnerability

Low to moderate vulnerability (26 of 100)

Resilience

High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)

Threat To Humans

Harmless

IUCN Red List Status

Least Concern (LC)