Haematological study of brazilian fish . I.- Blood parameters in male and female armored catfish hypostomus regani ihering, 1905 (pisces, loricariidae) - Satake, T; Lopes, R A; Leme dos Santos, H S; Nuti Sobrinho, A; Lopes, O V P; Watanabe, Ii-Sei; Bahls, Alvacir dos Santos; Soares, T R S (Revista Unimar, 1991)