Pecos Pupfish
NamePecos Pupfish
Scientific NameCyprinodon pecosensis
Common NamesPecos Pupfish
FamilyCyprinodontidae
OriginNorth America, USA, Pecos River Basin, New Mexico, Texas
Temperamentsemi-aggressive
Dietomnivore
Care Leveladvanced
Minimum Tank Size (Gallons)20
Max Size (Inches)2.5
Water TypeBrackish
Temperature Range (°F)68-82
pH Range7.0-9.0
Compatible SpeciesSpecies-only tank, Other hardy pupfish species (with caution and ample space)
Description
The Pecos Pupfish is a small, robust fish native to the Pecos River system, renowned for its exceptional tolerance to extreme environmental conditions, including wide fluctuations in salinity and temperature. Males exhibit vibrant blue breeding colors, while females are typically more subdued. They are territorial, particularly during spawning, and require specialized care to thrive in an aquarium setting.
