Hawaiian Islands silverside (Atherinomorus insularum) fish species and information / pictures of Hawaiian Islands silverside - Atherinomorus insularum

Hawaiian Islands silverside (Atherinomorus insularum) fish species information

Scientific Name
Atherinomorus insularum

Common Name
Hawaiian Islands silverside

Biology
Dorsal spines (total): 6 - 8; Dorsal soft rays (total): 10-11; Anal spines: 1; Anal soft rays: 15 - 18. Slender fish with moderately laterally compressed body. Teeth on vomer very small and difficult to see. Gill rakers with spinules longer than diameter of pupil. Predorsal scales 20-23.

Classification

Classified By

Jordan & Evermann, 1903

Class

Ray-finned fishes (Actinopterygii)

Order

Silversides (Atheriniformes)

Family

Silversides (Atherinidae)

Distribution

Region

Eastern Central Pacific

Distribution

Eastern Central Pacific: Hawaiian Islands. A subspecies occurs off the south coast of Molokai Island. Saipan, Mariana Islands.

Range

27°N - 14°N, 114°E - 152°W

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

0 m

Depth To - meters

2 m

Zone

pelagic-neritic

Environment

Marine; pelagic-neritic; depth range 0 - 2 m (Ref. 58302)

Trophic Level

3.15 s.e. 0.33 Based on diet studies.

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

9.0 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.5005 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Fisheries: of no interest

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