Dark stonebasher (Pollimyrus nigricans) fish species and information / pictures of Dark stonebasher - Pollimyrus nigricans

Dark stonebasher (Pollimyrus nigricans) fish species information

Scientific Name
Pollimyrus nigricans

Common Name
Dark stonebasher

Biology
Favors the shallow mud bottom waters near fringing vegetation such as papyrus and Vossia. Feeds mainly on Caridina and caenid larvae (Ref. 9606). Oviparous (Ref. 205). A male to female ratio of 1:10.5 has been noted for this species (Ref. 10608). Migrates up the river to spawn (Ref. 10608).

Classification

Classified By
Boulenger, 1906
Class
Ray-finned fishes (Actinopterygii)
Order
Bony tongues (Osteoglossiformes)
Family
Elephantfishes (Mormyridae)

Distribution

Region
Africa
Distribution
Africa: Lakes Victoria, Nabugabo and Kyoga; the Kiruni River (Semliki Valley), Malagarasi River and Tanganyika Lake.
Range
Unknown

Environment

Climate
Tropical
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
Unknown m
Depth To - meters
Unknown m
Zone
demersal
Environment
Freshwater; demersal; potamodromous (Ref. 10608)
Trophic Level
3.4 s.e. 0.50 Based on food items.
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
10.0 cm
Common Length
Unknown 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
Unknown
Vulnerability
Low vulnerability (12 of 100)
Resilience
Medium, minimum population doubling time 1.4 - 4.4 years (Fec = 206)
Threat To Humans
  Harmless
IUCN Red List Status
  Least Concern (LC)