Reunion herring (Herklotsichthys spilurus) fish species and information / pictures of Reunion herring - Herklotsichthys spilurus

Reunion herring (Herklotsichthys spilurus) fish species information

Scientific Name
Herklotsichthys spilurus

Common Name
Reunion herring

Biology
Dorsal spines (total): 0; Dorsal soft rays (total): 13-21; Anal spines: 0; Anal soft rays: 12 - 23. Resembles H. lossei, which is more slender and has small dark spots on the flank. Overlaps range of H. quadrimaculatus, which has elongate wing-like scales underneath the normal paired pre-dorsal scales. Flank silvery, without dark spots; a bright yellow or orange patch behind gill opening; dark blotch on tip of dorsal fin.

Classification

Classified By

Guichenot, 1863

Class

Ray-finned fishes (Actinopterygii)

Order

Herrings (Clupeiformes)

Family

Herrings, shads and sardines (Clupeidae)

Distribution

Region

Western Indian Ocean

Distribution

Western Indian Ocean: Kenya, Zanzibar (Tanzania), Reunion. Presumably also Madagascar.

Range

11°N - 23°S, 38°E - 59°E

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

3.19 s.e. 0.37 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

8.5 cm

Common Length

7.0 cm

Phylogenetic Diversity Index

PD50 = 0.5002 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Fisheries: subsistence fisheries

Vulnerability

Low vulnerability (11 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