Argentine humphead (Gymnogeophagus balzanii) fish species and information / pictures of Argentine humphead - Gymnogeophagus balzanii

Argentine humphead (Gymnogeophagus balzanii) fish species information

Scientific Name
Gymnogeophagus balzanii

Common Name
Argentine humphead

Biology
Max. length 20 cm TL (Ref. 1672).

Classification

Classified By
Perugia, 1891
Class
Ray-finned fishes (Actinopterygii)
Order
Perch-like fish (Perciformes)
Family
Cichlids (Cichlidae)

Distribution

Region
South America
Distribution
South America: Paran? River basin, in the Paraguay drainage in Brazil and Paraguay, the Paran? drainage in Argentina; the lower Uruguay drainage in Uruguay and Brazil.
Range
Unknown

Environment

Climate
Subtropical
Water Temperature From
22 °C
Water Temperature To
26 °C
Depth From - meters
Unknown m
Depth To - meters
Unknown m
Zone
benthopelagic
Environment
Freshwater; ; pH range: 6.0 - 8.0; dH range: 5 - 19 benthopelagic
Trophic Level
3.33 s.e. 0.47 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
12.0 cm
Common Length
Unknown cm
Phylogenetic Diversity Index
PD50 = 0.5005 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 (16 of 100)
Resilience
Medium, minimum population doubling time 1.4 - 4.4 years (Fec=500)
Threat To Humans
  Harmless
IUCN Red List Status
  Not Evaluated