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San Marcos gambusia (Gambusia georgei) fish species and information / pictures of San Marcos gambusia - Gambusia georgei
San Marcos gambusia (Gambusia georgei) fish species information
Scientific Name
Gambusia georgei
Common Name
San Marcos gambusia
Biology
Unknown
Classification
Classified By
Hubbs & Peden, 1969
Class
Ray-finned fishes (Actinopterygii)
Order
Live bearers, Killifishes and Rivulines (Cyprinodontiformes)
Family
Poeciliids (Poeciliidae)
Distribution
Region
North America
Distribution
North America: formerly in San Marcos Spring and River in Texas, USA.
Range
31°N - 29°N
Environment
Climate
Subtropical
Water Temperature From
Unknown
°C
Water Temperature To
Unknown
°C
Depth From - meters
Unknown
m
Depth To - meters
Unknown
m
Zone
benthopelagic
Environment
Freshwater; benthopelagic; non-migratory
Trophic Level
3.15 s.e. 0.38 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
4.0
cm
Common Length
3.3
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 (15 of 100)
Resilience
High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)
Threat To Humans
Harmless
IUCN Red List Status
Extinct (EX)