TY  - JOUR 
T1  - Cost of territorial maintenance by Parodon nasus (Osteichthyes: Parodontidae) in a Neotropical stream
JO  - Neotropical Ichthyology
A1  - Silva, Samuel Elias
A1  - Assunção, Wilhan R. C.
A1  - Duca, Charles
A1  - Penha, Jerry
SN  - 1679-6225
UL  - 10.1590/S1679-62252009000400017
VL  - 7 
Y1  - 2009
PB  - Brasil 
ER  -