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False black tetra (Gymnocorymbus thayeri) fish species and information / pictures of False black tetra - Gymnocorymbus thayeri
False black tetra (Gymnocorymbus thayeri) fish species information
Scientific Name
Gymnocorymbus thayeri
Common Name
False black tetra
Biology
Unknown
Classification
Classified By
Eigenmann, 1908
Class
Ray-finned fishes (Actinopterygii)
Order
Characins (Characiformes)
Family
Characins (Characidae)
Distribution
Region
South America
Distribution
South America: upper Amazon River basin (Bolivia and Colombia). Recorded from the Orinoco River, Guyana, and Trinidad and Tobago.
Range
Unknown
Environment
Climate
Tropical
Water Temperature From
23
°C
Water Temperature To
27
°C
Depth From - meters
Unknown
m
Depth To - meters
Unknown
m
Zone
pelagic
Environment
Freshwater; ; pH range: 5.5 - 7.5; dH range: ? - 20 pelagic
Trophic Level
3 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
True
Physical Size and Genetics
Maximum Length
5.0
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
Aquarium: commercial
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
Not Evaluated