Three-by-two garfish (Hemiramphus robustus) fish species and information / pictures of Three-by-two garfish - Hemiramphus robustus

Three-by-two garfish (Hemiramphus robustus) fish species information

Scientific Name
Hemiramphus robustus

Common Name
Three-by-two garfish

Biology
Dorsal spines (total): 0; Dorsal soft rays (total): 13-15; Anal spines: 0; Anal soft rays: 11 - 14; Vertebrae: 52 - 55. One dark blotch below the dorsal fin; usually 12 or 13 anal rays.

Classification

Classified By

G?nther, 1866

Class

Ray-finned fishes (Actinopterygii)

Order

Needle fishes (Beloniformes)

Family

Halfbeaks (Hemiramphidae)

Distribution

Region

Western Pacific

Distribution

Western Pacific: Australia extending south to Sydney on the east coast and to Perth in western Australia. Also in Papua New Guinea (Ref. 6993).

Range

Unknown

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

Unknown m

Depth To - meters

Unknown m

Zone

pelagic-neritic

Environment

Marine; brackish; pelagic-neritic

Trophic Level

3.26 s.e. 0.44 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

31.5 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: commercial

Vulnerability

Low to moderate vulnerability (25 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