Dungu sprat (Microthrissa minuta) fish species and information / pictures of Dungu sprat - Microthrissa minuta

Dungu sprat (Microthrissa minuta) fish species information

Scientific Name
Microthrissa minuta

Common Name
Dungu sprat

Biology
Dorsal spines (total): 0; Dorsal soft rays (total): 12-18; Anal spines: 0; Anal soft rays: 18 - 21. Body moderately deep; scutes (19 or 20 total) strongly keeled, 1 or 2 before base of first pectoral fin ray. Snout pointed; lower jaw not projecting, included in upper when mouth closed, with small teeth at symphysis; maxilla slender (blade more than 3 times as long as deep), upper edge with a ridge flared outward; second supra-maxilla small, shaft as long as spatulate blade.

Classification

Classified By

Poll, 1974

Class

Ray-finned fishes (Actinopterygii)

Order

Herrings (Clupeiformes)

Family

Herrings, shads and sardines (Clupeidae)

Distribution

Region

Africa

Distribution

Africa: Upper Congo system in Dungu River and its tributary, the Garamba River; also Lower Congo.

Range

3°N - 7°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: subsistence fisheries

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) (D2)