Aquatic Sensing Technologies Limited


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AquaSonar<sup>®</sup> on cage

Latest News:

November 2006:  AquaSonar® under new management, NEW SIZING CODE RELEASE with new option for sizing Atlantic salmon as small as 100 grams.


Fish Sizing Sonar For Aquaculture

Aqua1The AquaSonar® Fish Sizing Sonar is a simple, fast, accurate, automatic and non-invasive method to acquire crucial fish size data. This patented technology consists of a compact underwater transducer module coupled with a lightweight and portable, topside electronics module.

The transducer is positioned inside a fish cage and rapidly sizes hundreds of individual fish automatically, with no post-processing. Fish size data is displayed instantly and stored in the electronics module for later transfer to computer.

Custom AquaSonar® ID (Interface/Database) software is provided for display, analysis and archiving of AquaSonar® fish size sample data. The system is presently calibrated for Atlantic salmon and Chinook salmon but ASTL is exploring the application for other species.



Simple - Fast - Accurate

  • Advanced sonar technology allows individual fish to be distinguished and sized from within a cage of fish.
  • Dynamically responds to varying fish swimming speeds, rearing densities and oceanographic conditions.
  • Fish sizing is immediate and automatic with no time consuming and expensive post-processing.
  • Fish size data can be acquired from multiple cages each day, day or night, with minimal set-up time and no special training.
  • Ability to rapidly sample a high percentage of the total population of fish in any given cage, providing accurate fish size statistics.
  • An easy to follow, step-by-step instructional manual is provided and technical support is available through site visits and demonstrations.
  • Modeling and forecasting of fish availability and marketing based on more timely, accurate and comprehensive data.
  • Accurate inventory control allows for optimized growth and FCR for auditing and external agencies.