Feathered river-garfish (Zenarchopterus dispar) fish species and information / pictures of Feathered river-garfish - Zenarchopterus dispar

Feathered river-garfish (Zenarchopterus dispar) fish species information

Scientific Name
Zenarchopterus dispar

Common Name
Feathered river-garfish

Biology
Dorsal spines (total): 0; Dorsal soft rays (total): 11-12; Anal spines: 0; Anal soft rays: 12 - 13; Vertebrae: 42 - 43. Upper jaw distinctly wider than long. Snout uniform brown without any dark band on the midline. Pectoral fin shorter than head length. Lower jaw much shorter than head. Sixth and seventh anal rays of adult males greatly thickened and elongated, both rays reaching beyond the caudal base. Either dorsal ray 4 or 5 or both elongated and thickened.

Classification

Classified By

Valenciennes, 1847

Class

Ray-finned fishes (Actinopterygii)

Order

Needle fishes (Beloniformes)

Family

Halfbeaks (Hemiramphidae)

Distribution

Region

Indo-Pacific

Distribution

Indo-Pacific: Kenya, Mozambique, Seychelles, Madagascar, New Guinea, Solomon Islands, Australia, New Caledonia, Fiji, and Samoa. Reported from Sri Lanka (Ref. 6028) and Vanuatu (Ref. 13300). Also found in India, Malaysia, Thailand and Singapore (Ref. 43081).

Range

Unknown

Environment

Climate

Tropical

Water Temperature From

24 °C

Water Temperature To

28 °C

Depth From - meters

Unknown m

Depth To - meters

Unknown m

Zone

reef-associated

Environment

Marine; freshwater; brackish; ; pH range: 7.0 - 8.0; dH range: 10 - ? reef-associated; oceanodromous (Ref. 51243)

Trophic Level

2.86 s.e. 0.46 Based on size and trophs of closest relatives

Occurs in Marine / Salt water

True

Occurs in Brackish water

True

Occurs in Fresh Water

True

Occurs on Reefs

True

Is kept in Aquariums

False

Physical Size and Genetics

Maximum Length

19.0 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 (12 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