Scientific Name
Hypoatherina ovalaua

Common Name
Fijian silverside

Biology
Dorsal spines (total): 5 - 7; Dorsal soft rays (total): 9-10; Anal spines: 1; Anal soft rays: 7 - 10. Premaxilla with long ascending process and two lateral processes. Gill rakers 22-25. Midlateral scale count 38-42.

Classification

Classified By

Herre, 1935

Class

Ray-finned fishes (Actinopterygii)

Order

Silversides (Atheriniformes)

Family

Silversides (Atherinidae)

Distribution

Region

Western Central Pacific

Distribution

Western Central Pacific: Sumatra to northern Cooks, north to the Philippines, Carolines and Marshall Islands, south to Fiji.

Range

16°N - 23°S

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

0 m

Depth To - meters

5 m

Zone

reef-associated

Environment

Marine; reef-associated; depth range 0 - 5 m (Ref. 57178)

Trophic Level

3.28 s.e. 0.43 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

True

Is kept in Aquariums

False

Physical Size and Genetics

Maximum Length

7.8 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.5020 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Fisheries: of no interest; bait: usually

Vulnerability

Low vulnerability (22 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