Sharpnosed sawtooth pellonuline (Potamothrissa acutirostris) fish species and information / pictures of Sharpnosed sawtooth pellonuline - Potamothrissa acutirostris

Sharpnosed sawtooth pellonuline (Potamothrissa acutirostris) fish species information

Scientific Name
Potamothrissa acutirostris

Common Name
Sharpnosed sawtooth pellonuline

Biology
Dorsal spines (total): 0; Dorsal soft rays (total): 12-18; Anal spines: 0; Anal soft rays: 16 - 27. Body slender. Pre-pelvic scutes fairly strongly keeled, beginning under or just before pectoral fin base, 11 to 13 + 10 to 12. Snout pointed. Lower jaw not projecting, included in upper when mouth closed, deepest at mid-point of jaw, with small saw-like teeth on either side; pre-maxillae with rather peg-like teeth; maxilla very slender; second supra-maxilla very small.

Classification

Classified By

Boulenger, 1899

Class

Ray-finned fishes (Actinopterygii)

Order

Herrings (Clupeiformes)

Family

Herrings, shads and sardines (Clupeidae)

Distribution

Region

Africa

Distribution

Africa: Widely distributed in the Congo basin, including Brazzaville, the Oubangui (=Ubangi), Lualaba, Kasai and other tributaries (Ref.188).

Range

7°N - 5°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

3.16 s.e. 0.36 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

7.0 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.6250 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

  Least Concern (LC)