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Movements of Hoplias aimara during the filling phase of the Petit‐Saut dam, French GuyanaNARA Subscribed
Twenty Hoplias aimara were tagged intraperitoneally with radio‐transmitters in the Sinnamary River, French Guyana. In November 1993, 13 tagged fish were released in an area which would be flooded by the Petit‐Saut reservoir impoundment in mid‐1994. Seven other tagged fish were released in January 1994, 20 km upstream of the upper limit of the reservoir. Hoplias aimara showed site fidelity: 75% of fish returned to their capture...
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