Marquesan sardinella (Sardinella marquesensis) fish species and information / pictures of Marquesan sardinella - Sardinella marquesensis

Marquesan sardinella (Sardinella marquesensis) fish species information

Scientific Name
Sardinella marquesensis

Common Name
Marquesan sardinella

Biology
Dorsal spines (total): 0; Dorsal soft rays (total): 13-21; Anal spines: 0; Anal soft rays: 12 - 23. Body slender; total scutes 28 to 30; lower gill rakers strongly increasing with size of fish, about 45 at 5 or 6 cm standard length, 50 to 80 (maximum) at 6 to 10 cm. Vertical striae on scales not meeting at center, no perforations on hind part of scale. No dark spot at dorsal fin origin, no dark tips to caudal fin. Can be separated from other species by a combination of above characters.

Classification

Classified By

Berry & Whitehead, 1968

Class

Ray-finned fishes (Actinopterygii)

Order

Herrings (Clupeiformes)

Family

Herrings, shads and sardines (Clupeidae)

Distribution

Region

Eastern Pacific

Distribution

Eastern Pacific: endemic to the Marquesan Islands. Introduced into Hawaiian waters.

Range

24°N - 19°S, 164°W - 141°W

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

0 m

Depth To - meters

50 m

Zone

pelagic-neritic

Environment

Marine; pelagic-neritic; depth range 0 - 50 m (Ref. 188)

Trophic Level

2.85 s.e. 0.31 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

16.0 cm

Common Length

10.0 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: subsistence fisheries; bait: usually

Vulnerability

Low vulnerability (20 of 100)

Resilience

High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)

Threat To Humans

Other (Ref. 45133)

IUCN Red List Status

Not Evaluated