Canada Vemco offers various sizes of fish acoustic markers (lengths from 12mm to 68mm, with diameters from 5mm to 16mm), to meet the demand for all kinds of aquatic animals mark. From the river to the coast, the receiver can be achieved through VR2W long-term tracking of these markers. More than 20,000 sets of VR2W receiver laying for aquatic research worldwide. 



Applications 
 - Pacific Ocean Shelf Tracking Project (POST) 
 - Florida Atlantic Coast Telemetry (FACT) 
 - Australian acoustic tracking and monitoring system (AATAMS) 
 - Atlantic Fish Joint Telemetry (ACT) 
 - California Fish Tracking Alliance (CFTC) 
 - migration patterns Bay of Fundy (Bay of Fundy) salmon populations studied 
 - Nova Scotia coast cod tracking 
 - British Tees River fishway dam monitoring 
 - California coastal monitoring endangered giant sea bass scales Kennedy 
 - Alaska Coastal cod (Lingcod) habitat monitoring 
 - sturgeon, sharks, grouper, conch, crustaceans and other aquatic monitoring 
 - China has successfully used in four fish, sturgeon and other tracking