TY  - JOUR 
T1  - The food spectrum of the cardinal - tetra (Paracheirodon axelrodi, Characidae) in its natural habitat
JO  - Acta Amazonica
A1  - Walker, Ilse
SN  - 0044-5967
UL  - 10.1590/S0044-59672004000100009
VL  - 34 
Y1  - 2004
PB  - Brasil 
ER  -