New Zealand blueback sprat (Sprattus antipodum) fish species and information / pictures of New Zealand blueback sprat - Sprattus antipodum

New Zealand blueback sprat (Sprattus antipodum) fish species information

Scientific Name
Sprattus antipodum

Common Name
New Zealand blueback sprat

Biology
Dorsal spines (total): 0; Dorsal soft rays (total): 13-21; Anal spines: 0; Anal soft rays: 12 - 23; Vertebrae: 48 - 51. Upper jaw rounded and not notched on frontal view. Gill cover without bony radiating striae; tooth plate on tongue broad, almost oval, width about 3 times in length, lateral teeth strong; scales with fine radiating or horizontal striae on exposed posterior part; back steel blue when fresh. Pterotic bulla absent. Last two anal rays normal.

Classification

Classified By

Hector, 1872

Class

Ray-finned fishes (Actinopterygii)

Order

Herrings (Clupeiformes)

Family

Herrings, shads and sardines (Clupeidae)

Distribution

Region

Southwest Pacific

Distribution

Southwest Pacific: New Zealand.

Range

37°S - 48°S, 166°E - 180°E

Environment

Climate

Subtropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

0 m

Depth To - meters

72 m

Zone

pelagic-neritic

Environment

Marine; pelagic-neritic; depth range 0 - 72 m (Ref. 58489)

Trophic Level

3 s.e. 0.00 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

False

Is kept in Aquariums

False

Physical Size and Genetics

Maximum Length

12.0 cm

Common Length

9.0 cm

Phylogenetic Diversity Index

PD50 = 0.5312 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Fisheries: subsistence fisheries; bait: occasionally

Vulnerability

Low vulnerability (15 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