Creagrutus guanes Torres-Mejia & Vari, 2005
Creagrutus guanes
photo by Torres-Mejia, M.

Family:  Characidae (Characins; tetras), subfamily: Stevardiinae
Max. size:  7.29 cm SL (male/unsexed)
Environment:  pelagic; freshwater
Distribution:  South America: Colombia.
Diagnosis:  Diagnosis: Distinguished from its trans-Andean congeners by the following: unmodified, completely pored lateral line-scales; absence of a distinct patch of dark pigmentation on the basal portions of the caudal fin; absence of a stripe of dark pigmentation along the middle rays of the caudal fin; relatively wide third infraorbital; straight to slightly convex predorsal profile; caudal peduncle depth 11.31-13.42% of SL; possess 10 to 12 branched anal-fin rays and 36 to 38 lateral-lines scales. This species differs from its congeners by the following: distance from the dorsal-fin origin to the pelvic-fin origin 26.7-34.1% of SL; rotund or somewhat vertically-elongate humeral mark; reticulate pattern of dark pigmentation on the dorsal portion of body; maxilla with a thick anterior process; robust posterior portion and a distinct flexion in the region where it extends past the posterior limit of the premaxilla; absence of a bony plate on the dorsal surface of fourth basibranchial; presence of one or more teeth on the third infrapharyngobranchial; dorsolateral portion of the dilatator groove that is roofed to varying degrees by processes from the frontal and pterotic; and, absence of a narrow ring-like process of the scapula forming the anterior border of scapular foramen (Ref. 55562).
IUCN Red List Status: Least Concern (LC); Date assessed: 08 October 2014 Ref. (124695)
Threat to humans:  harmless
Country info:   

Entered by: Capuli, Estelita Emily - 01.03.06
Modified by: Bailly, Nicolas - 17.04.06

Source and more info: For personal, classroom, and other internal use only. Not for publication.

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