Further notes on the relationships and classification of the South American
characid fishes of the subfamily Gasteropelecinae.
Microcosm experiments with the
characid Brycon orbignyanus.
Condition factor in nine species of fish of the
characid family in the upper Parana river flood plain, Brazil.
micropterus: no humeral spot; a faint band of chromatophores from opercle to dorsal, then a lateral narrow dark band from dorsal fin to end of peduncle, then a light zone and a caudal spot limited to the middle caudal rays up to their end; base of lobes dark; when freshly unpacked, the unpaired fins were rosy; a photo in situ (
Characid sp.
(13); (14); (26) similarly observed relatively lower values of condition factors for large sizes of fish, while relatively higher values of condition factors for rather small sized fish in Brycinus nurse,
characid and tilapia fish species, respectively.
Evidence for dispersal of fig seeds by the fruit-eating
characid fish Brycon quatemalensis Regan in a Costa Rican tropical rain forest.
The effects of selenium on oxidative stress biomarkers in the freshwater
characid fish matrinxa (Brycon cephalus) (Gunther, 1869) exposed to organophosphate insecticide Folisuper 600 BR (methyl parathion).
The
characid fish Brycon guatemalensis consumes insects as juveniles and fruits and leaves as adults.
It has been postulated that in some cave-dwelling populations of the Mexican
characid fish Astyanax fasciatus the daily feeding cycle is determined by the daily rhythm of activity of bat populations living in the same caves.