Scientific Name
Pollimyrus castelnaui

Common Name
Dwarf stonebasher

Biology
Dorsal spines : 0; Dorsal soft rays : 16-18; Anal spines: 0; Anal soft rays: 22 - 26. Both caudal peduncle and caudal fin have rounded lobes.

Classification

Classified By

Boulenger, 1911

Class

Ray-finned fishes (Actinopterygii)

Order

Bony tongues (Osteoglossiformes)

Family

Elephantfishes (Mormyridae)

Distribution

Region

Africa

Distribution

Africa: Okavango basin and upper Zambezi River. Also from the Kafue and Cunene Rivers and northern areas of Lake Malawi.

Range

11°S - 21°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

demersal

Environment

Freshwater; demersal

Trophic Level

3.2 s.e. 0.40 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

True

Physical Size and Genetics

Maximum Length

7.0 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

Fisheries: of no interest; aquarium: potential

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)