Fin's Fish Guide
The Checkered pupfish (Cualac tessellatus) is a freshwater fish of the family Cyprinodontidae that grows up to 8 cm.
Description
The Checkered pupfish is a small pupfish (Cyprinodontidae) from the Media Luna spring in central Mexico, where it is endemic. The species grows to about 8 cm and has a stocky body; males turn bluish in courtship, females are duller. The body bears a checkered, chessboard-like pattern. It tolerates strongly fluctuating temperature and salinity and eats algae, small invertebrates and detritus. The fish is harmless to humans.
Frequently asked questions
How do you recognise the Checkered pupfish?
The Checkered pupfish has a torpedo-shaped body and is mainly blue.
Where does the Checkered pupfish live?
The Checkered pupfish lives in fresh water and is mostly found around sand or mud bottom. North America: Mexico
How big does the Checkered pupfish get?
The Checkered pupfish grows to a maximum of about 8 cm.
Is the Checkered pupfish dangerous to humans?
No, the Checkered pupfish is harmless to humans. This species is harmless to humans. No specific first aid is needed. Still handle the fish with care: mind the fin rays and the sharp edges of the gill cover, and rinse any scratch with clean water and cover it. For a dirty or deep wound check tetanus status.
Want the complete picture on the Checkered pupfish?
Point your camera at the fish and Fin names the species in seconds. Free, and the Checkered pupfish is one of 12,519 species in the app.
All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
More from the family Cyprinodontidae
Want the complete picture on the Checkered pupfish?
Point your camera at the fish and Fin names the species in seconds. Free, and the Checkered pupfish is one of 12,519 species in the app.