Cyprinodon bobmilleri
San Ignacio Pupfish
Collection Details
Event Specimens
Photos
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Records
Taxonomic Hierarchy
Actinopterygii (Ray-finned Fishes)
Cyprinodontiformes
Cyprinodontidae (Pupfishes)
Cyprinodon
Cyprinodon bobmilleri (San Ignacio Pupfish)
Description
This species account was compiled from
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Characters
Body shape: Elongated. 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 (Ref. 39345).
Distribution
North America: known only from the type locality, Baño de San Ignacio, Linares, Nuevo Leon, Mexico, on the San Fernando basin.
Habitat Associations
Freshwater, brackish. benthopelagic. depth range 0-1 m.
Biology
Collected from a spring with some complex slow currents; clear water which is easily roiled. Bottom is ooze, bubbling with odorous gases (sulphurous), and no vegetation except some algae (Ref. 38030).
Max length: 3.5 cm SL.
Reproductive mode: dioecism; fertilization: external; nonguarders; parental care: none.
IUCN Red List Status: Vulnerable (VU), assessed 2018-03-09.
References
Breder, C.M. and D.E. Rosen (1966) Modes of reproduction in fishes. T.F.H. Publications, Neptune City, New Jersey. 941 p.
Lozano-Vilano, M.D.L. and S. Contreras-Balderas (1999) Cyprinodon bobmilleri: new species of pupfish from Nuevo León, México (Pisces: Cyprinodontidae). Copeia 1999(2):382-387.
Lim, K.K.P. (2000) Bagridae (river catfishes). p. 589. In J.E. Randall and K.K.P. Lim (eds.) A checklist of the fishes of the South China Sea. Raffles Bull. Zool. (8):569-667.
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