PlanetCatfish.com

AMBROSIO, �ngela Maria, GOMES, Luiz Carlos and AGOSTINHO, �ngelo Antônio. Age and growth of Hypophthalmus edentatus (Spix), (Siluriformes, Hypophthalmidae) in the Itaipu Reservoir, Paraná, Brazil. Rev. Bras. Zool., June 2003, vol.20, no.2, p.183-190. ISSN 0101-8175.

Pdf is here

http://www.scielo.br/pdf/rbzool/v20n2/v20n2a02.pdf

Nio