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Mezquital pupfish
Cyprinodon meeki
The Mezquital pupfish (Cyprinodon meeki) is a tiny endemic freshwater cyprinodont found in shallow springs and streams of the Mezquital Valley in Mexico. At a maximum length of about 5 cm it is prized by conservationists rather than anglers, but can be caught with ultra‑light gear for observation or scientific sampling.
Fight
Taste
Inedible/Protected
Basic Information
Family
Cyprinodontidae
Max Size
5 cm
Habitat
freshwater
Climate
tropical
Best Season
Spring to early fall (when water temps are 20‑25 °C)
Best Time
Early morning or late evening
Distribution
No distribution map available
Fishing Tips for Mezquital pupfish
- Use the lightest possible tackle – a 2‑lb test line and a size‑6 or smaller hook.
- Target shallow, vegetated pools and spring outflows where pupfish congregate.
- Present micro‑bait (e.g., daphnia or mosquito larvae) on a tiny float or directly on the hook.
- Handle gently and release immediately; the species is fragile and often protected.
Market Prices
Recommended Fishing Equipment for Mezquital pupfish
Recommended Equipment
RodUltralight spinning or micro‑fly rod (1‑2 lb test)
Line2‑4 lb test monofilament or fluorocarbon
Lure TypeN/A
TechniqueFloat‑and‑hook with a size 6‑8 hook or use a fine‑mesh dip net
Best bait: Tiny aquatic insects, crustacean larvae or algae