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dwarf sanjika (Opsaridium tweddleorum) fish species and information / pictures of dwarf sanjika - Opsaridium tweddleorum
dwarf sanjika (Opsaridium tweddleorum) fish species information
Scientific Name
Opsaridium tweddleorum
Common Name
dwarf sanjika
Biology
Prefers clear, fast flowing waters.
Classification
Classified By
Skelton, 1996
Class
Ray-finned fishes (Actinopterygii)
Order
Carps (Cypriniformes)
Family
Minnows or carps (Cyprinidae)
Distribution
Region
Africa
Distribution
Africa: Lake Malawi and lower Zambezi River.
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
Trophic Level
3.5 s.e. 0.54 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
10.9
cm
Common Length
Unknown
cm
Phylogenetic Diversity Index
PD50 = 0.5002 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)
Human Uses and Population
Human Uses
Unknown
Vulnerability
Low to moderate vulnerability (25 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)