Sensor technology in fish markers: A review

Abstract

Electronic-tagging and tracking of fishes can provide valuable information for the management and conservation of fish populations. Several sensors for the tagging and tracking of fish has been used, further, the way of tagging is also important, however, the knowledge is disseminated lacking delivering comprehensive information to this field. In this perspective a thorough review on fish-tagging is carried out. Electronic tagging systems in fisheries benefit from the distinctive properties of nanomaterials, encompassing electrical, optical, and sensor capabilities. The multifunctionality of nanomaterials makes them versatile tools for addressing challenges in fish-tagging technologies. The type of fish tagging such as acoustic-telemetry (AT), radio-telemetry (RT), Data-storage-tags (DST), passive-integrated-transponders (PIT), etc. and the way of tagging has been detailed. Further, the effect of process handling on fish, its negative effects and the way of tagging suitable for fisheries has been discussed.