Capricorn silverside (Atherinomorus capricornensis) fish species and information / pictures of Capricorn silverside - Atherinomorus capricornensis

Capricorn silverside (Atherinomorus capricornensis) fish species information

Scientific Name
Atherinomorus capricornensis

Common Name
Capricorn silverside

Biology
Dorsal spines (total): 4 - 8; Dorsal soft rays (total): 9-10; Anal spines: 1; Anal soft rays: 12 - 15. Other distinguishing features: Ramus of premaxilla long, extending past vertical through anterior border of pupil. Teeth on vomer often long and pungent. Anus always behind ventral tips. Free edge of lower jaw sloping backwards and upwards without distinctly elevating at posterior end. Lips thin. Pit-like pores on surface of head, usually covered by large scale. Body color blue-green, light or dark grey and silvery below.

Classification

Classified By

Woodland, 1961

Class

Ray-finned fishes (Actinopterygii)

Order

Silversides (Atheriniformes)

Family

Silversides (Atherinidae)

Distribution

Region

Western Central Pacific

Distribution

Western Central Pacific: small group of islands in the Capricorn Group (Northern Territory, Australia) and some islands closer to the mainland.

Range

18°S - 24°S

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

0 m

Depth To - meters

1 m

Zone

pelagic-neritic

Environment

Marine; pelagic-neritic; non-migratory; depth range 0 - 1 m (Ref. 9760)

Trophic Level

3.1 s.e. 0.30 Based on food items.

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

12.0 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; bait: occasionally

Vulnerability

Low vulnerability (24 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