Hamilton's thryssa (Thryssa hamiltonii) fish species and information / pictures of Hamilton's thryssa - Thryssa hamiltonii

Hamilton's thryssa (Thryssa hamiltonii) fish species information

Scientific Name
Thryssa hamiltonii

Common Name
Hamilton's thryssa

Biology
Dorsal spines (total): 0; Anal spines: 0; Anal soft rays: 32 - 39. Belly with 23 to 26 keeled scutes from isthmus to anus. Tip of snout above level of eye center, usually about level of upper rim of eye. Maxilla short or moderate; first supra-maxilla small, oval. A dark blotch behind upper part of gill opening.

Classification

Classified By

Gray, 1835

Class

Ray-finned fishes (Actinopterygii)

Order

Herrings (Clupeiformes)

Family

Anchovies (Engraulidae)

Distribution

Region

Indo-Pacific

Distribution

Indo-Pacific: Persian Gulf eastward to Myanmar, Andamans and Penang; Taiwan south to Arafura Sea (Ref. 9819), the northern coasts of Australia and Papua New Guinea; Sarawak; a record from the Bonin Islands; presumably the Philippines; perhaps not eastward to the Hebrides, etc.

Range

31°N - 25°S, 52°E - 152°E

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

10 m

Depth To - meters

13 m

Zone

pelagic-neritic

Environment

Marine; brackish; pelagic-neritic; amphidromous (Ref. 51243); depth range 10 - 13 m

Trophic Level

3.45 s.e. 0.51 Based on food items.

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

27.0 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: commercial

Vulnerability

Low vulnerability (16 of 100)

Resilience

High, minimum population doubling time less than 15 months (K=0.66-1.32; tmax=4)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated