Research & Science Project
SYMBIOSIS
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The SYMBIOSIS project aims to develop a mature, cost-effective, autonomous opto-acoustic prototype for the characterization, classification, and biomass evaluation of six target pelagic fish species. These species are significant to the fishing industry and serve as indicators of environmental health.
The system will process data in real-time onsite, transmitting results to a shore station. Designed for full autonomy, it will support deployments of up to three months without requiring recharging. The system's capabilities and readiness for a Technology Readiness Level 6 (TRL6) will be demonstrated across three sea and ocean mooring sites.
SYMBIOSIS integrates acoustic and optical components. The acoustic unit features an active underwater array of 2×3 elements to detect, classify, evaluate biomass, and localize target pelagic fish within a far-field range of 500 meters. The optical component consists of a fixed frame with six underwater optical cameras, which perform machine learning-based classification and biomass evaluation in the near field, operating effectively within 2–3 attenuation lengths under low-light conditions.
To optimize energy usage, the optical unit will be triggered by detections from the acoustic unit and will utilize acoustic localization results. The system is designed to be modular in both performance and composition, allowing adaptation to various scenarios and cost requirements.
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