Lake Mweru sprat (Microthrissa moeruensis) fish species and information / pictures of Lake Mweru sprat - Microthrissa moeruensis

Lake Mweru sprat (Microthrissa moeruensis) fish species information

Scientific Name
Microthrissa moeruensis

Common Name
Lake Mweru sprat

Biology
Dorsal spines (total): 0; Dorsal soft rays (total): 12-18; Anal spines: 0; Anal soft rays: 16 - 18. Body slender; scutes (about 18) strongly keeled, beginning just behind base of last pectoral fin ray. Snout rather pointed; lower jaw slightly projecting, with small teeth; pre-maxillae with a single row of small teeth; maxilla with blade a little more than 3 times longer than deep, upper edge a little ridged; second supra-maxilla slender, spatulate, with a distinct anterior shaft.

Classification

Classified By

Poll, 1948

Class

Ray-finned fishes (Actinopterygii)

Order

Herrings (Clupeiformes)

Family

Herrings, shads and sardines (Clupeidae)

Distribution

Region

Africa

Distribution

Africa: Endemic to Lake Mweru in West Africa.

Range

6°S - 10°S

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

Environment

Freshwater; pelagic

Trophic Level

3.09 s.e. 0.35 Based on size and trophs of closest relatives

Occurs in Marine / Salt water

False

Occurs in Brackish water

False

Occurs in Fresh Water

True

Occurs on Reefs

False

Is kept in Aquariums

False

Physical Size and Genetics

Maximum Length

3.5 cm

Common Length

Unknown 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: minor commercial

Vulnerability

Low vulnerability (10 of 100)

Resilience

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

Threat To Humans

Harmless

IUCN Red List Status

Vulnerable (VU) (B1ab(v))