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The Modular Optical Underwater Survey System.

Ruhul Amin1, Benjamin L Richards2, William F X E Misa3

  • 1NOAA Pacific Islands Fisheries Science Center, Honolulu, HI 96818, USA. ruhul.amin@noaa.gov.

Sensors (Basel, Switzerland)
|October 12, 2017
PubMed
Summary

The Modular Optical Underwater Survey System (MOUSS) provides efficient, cost-effective fish surveys. This autonomous stereo-video system accurately identifies, counts, and sizes fish for fisheries research in the Pacific Islands.

Keywords:
MOUSSbottomfishdigital stereo-videoopticsstock assessment

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Area of Science:

  • Marine Biology
  • Fisheries Science
  • Oceanography

Background:

  • Accurate fish stock assessment is crucial for sustainable fisheries management.
  • Traditional survey methods face limitations in depth, cost, and efficiency.
  • The Pacific Islands Fisheries Science Center requires advanced technologies for monitoring fish populations.

Purpose of the Study:

  • To describe the design, calibration, and application of the Modular Optical Underwater Survey System (MOUSS).
  • To evaluate MOUSS's effectiveness for species-specific, size-structured abundance estimation of commercially important fish.
  • To detail MOUSS deployment mechanisms and analysis techniques for fisheries research.

Main Methods:

  • Deployment of an autonomous stereo-video camera system (MOUSS) rated to 500m.
  • Utilizing low-light, stereo-video cameras for in situ visual sampling of fish assemblages.
  • Employing modular design for adaptable imaging sensors, power systems, and deployment platforms.

Main Results:

  • MOUSS enables identification, counting, and sizing of fish from 0.5-10m range.
  • The system effectively surveys fish to 250m depth in Hawaiian waters using ambient light.
  • MOUSS has been successfully deployed in Hawaii, the Gulf of Mexico, and Southern California.

Conclusions:

  • MOUSS offers an efficient and cost-effective solution for fisheries research.
  • The system's modularity and capabilities enhance in situ fish population assessment.
  • MOUSS is a valuable tool for understanding and managing commercially important fish species.