Largespring gambusia (Gambusia geiseri) fish species and information / pictures of Largespring gambusia - Gambusia geiseri

Largespring gambusia (Gambusia geiseri) fish species information

Scientific Name
Gambusia geiseri

Common Name
Largespring gambusia

Biology
Occurs in large springs.

Classification

Classified By
Hubbs & Hubbs, 1957
Class
Ray-finned fishes (Actinopterygii)
Order
Live bearers, Killifishes and Rivulines (Cyprinodontiformes)
Family
Poeciliids (Poeciliidae)

Distribution

Region
North America
Distribution
North America: San Marcos and Guadalupe River systems in Texas, USA.
Range
31°N - 28°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
3.13 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
4.4 cm
Common Length
2.5 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 (14 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