Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (ray-finned fishes) >
Gymnotiformes (Knifefishes) >
Sternopygidae (Glass knifefishes)
Etymology: Distocyclus: Greek, distokylos = that has two circles (Ref. 45335).
Environment / Climate / Range
Ecology
Freshwater; benthopelagic, usually 4 - 28 m (Ref. 96854). Tropical, preferred ?
South America: Amazon, Essequibo and Orinoco river basin.
Size / Weight / Age
Maturity: Lm ? range ? - ? cm
Max length : 50.0 cm TL male/unsexed; (Ref. 39524)
Short description
Morphology | Morphometrics
Anal
soft rays: 209 - 273. Distocyclus conirostris is distinguished by the combination of the following characters: conical snout; small nasal capsule with the internarial distance equivalent to the diameter of the posterior nostril; endopterygoid without teeth; single tooth row limited to the anterior portion of the dentary; eye covered by skin; teeth completely attached to the ventral surface of the premaxilla; flat surface to the upper lip; anterior margin of the premaxilla in contact with the posterior margin of the upper lip; terminal mouth; one to six teeth on the dentary; absence of teeth associated with the oral valve; half-moon shaped branchiostegal rays; body without eight dark, vertical bands; anal fin with 209-273 rays; scales present on the anterior portion of the dorsal region of the body; tiny, fleshy gill rakers; presence of branched anal-fin rays; 13 or 14 precaudal vertebrae; and scapular foramen present (Ref. 96854).
Usually occurs in floodplain and main river channels at depths of 3.8-28.3 m (Ref. 96854).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Dutra, G.M., C.D. de Santana, R.P. Vari and W.B. Wosiacki, 2014. The south American electric glass knifefish genus Distocyclus (Gymnotiformes: Sternopygidae): redefinition and revision. Copeia 2014(2):345-354. (Ref. 96854)
IUCN Red List Status (Ref. 115185)
CITES (Ref. 94142)
Not Evaluated
Threat to humans
Harmless
Human uses
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