Lobejaw ilisha (Ilisha sirishai) fish species and information / pictures of Lobejaw ilisha - Ilisha sirishai

Lobejaw ilisha (Ilisha sirishai) fish species information

Scientific Name
Ilisha sirishai

Common Name
Lobejaw ilisha

Biology
Dorsal spines (total): 0; Dorsal soft rays (total): 0; Anal spines: 0; Anal soft rays: 39 - 43. Body moderately slender, belly with 18 to 21 + 8 or 9, total usually 28 or 29 scutes. Eye large, lower jaw strongly projecting; shaft of maxilla with a distinct lobe or flange between hind tip of pre-maxilla and blade of maxilla. Dorsal fin origin near or before midpoint of body; anal origin a little behind dorsal fin base. Swim bladder without a posterior tube (or tubes).

Classification

Classified By

Seshagiri Rao, 1975

Class

Ray-finned fishes (Actinopterygii)

Order

Herrings (Clupeiformes)

Family

Pristigasterids (Pristigasteridae)

Distribution

Region

Indo-West Pacific

Distribution

Indo-West Pacific: Persian Gulf to the Bay of Bengal and Andaman coast of Thailand to the Gulf of Thailand (Songkhla Lake).

Range

31°N - 0°N, 46°E - 106°E

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

0 m

Depth To - meters

50 m

Zone

pelagic-neritic

Environment

Marine; brackish; pelagic-neritic; anadromous (Ref. 51243); depth range 0 - 50 m (Ref. 188)

Trophic Level

3.4 s.e. 0.53 Based on size and trophs of closest relatives

Occurs in Marine / Salt water

True

Occurs in Brackish water

True

Occurs in Fresh Water

False

Occurs on Reefs

False

Is kept in Aquariums

False

Physical Size and Genetics

Maximum Length

23.0 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 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