| [trophic and reproductive ecology of trichomycterus calietes and astrtoblepus cyclopus (pisces: siluriformes) in quindio river, upper cauca, colombia]. | the trophic and reproductive ecology of catfish (trichomycterus caliense and astroblepus cyclopus) was studied in the quindio river upper basin, alto cauca, colombia. the ph was neutral, water oxygen content high (8.4 ppm) and temperature in the habitats was 18.63 degrees c; both species are nonmigratory and sympatric with four other fish species. the ovaries mature primarily between may and september in t. caliense; between december and may in a. cyclopus. the mean size at maturity is 8.3 cm (s ... | 2001 | 11935917 |