San Ignacio pupfish (Cyprinodon bobmilleri)

Scientific name: Cyprinodon bobmilleri Lozano-Vilano & Contreras-Balderas, 1999

The San Ignacio pupfish (Cyprinodon bobmilleri) is a freshwater fish of the family Cyprinodontidae. In the aquarium it needs water at 32–34°C (90–93°F). Native range: North America, known only from the type locality, Ba?o de San Ignacio, Linares, Nuevo Leon, Mexico, on the San Fernando basin.

San Ignacio pupfish care at a glance

Temperature
32–34°C (90–93°F)

Biology

Dorsal soft rays (total): 11-12; Anal soft rays: 11 - 12. In both sexes, specially in females, are peculiar combination of speckled and barred sides, Body shape rhombic; snout acute. Dorsal fin of female overlaid by melanophores, with 2 - 3 distal and 2 - 3 basal spots, parallel to body, seldom with hints of posterior ocellus as seen in pupfishes. Pectoral fins reach middle of dorsal fin base when depressed; cover most of the pelvic length. Male anal fin is pointed, nearly reaching caudal base; caudal band narrower than eye. Mouth slightly higher on profile than in C. variegatus complex. Caudal peduncle short, 20.7 - 25.9% SL.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Cyprinodon bobmilleri
Family
Cyprinodontidae (Pupfishes)
Order
Cyprinodontiformes (Live bearers, Killifishes and Rivulines)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
3.5
Depth range
0–1 m (0–3 ft)
Environment
Freshwater; brackish; benthopelagic; depth range 0 - 1 m
Climate
Subtropical
Distribution
North America: known only from the type locality, Ba?o de San Ignacio, Linares, Nuevo Leon, Mexico, on the San Fernando basin.
Conservation status (IUCN)
Not Evaluated
Threat to humans
Harmless
Resilience
High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)

Sources

Taxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.

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