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Why Tag Marine Animals?
Tagging allows researchers to track individual animals over time, revealing migration routes, habitat use, dive behavior, and survival rates that are impossible to observe directly. From simple numbered flipper tags on sea turtles to satellite-linked transmitters on great white sharks, the technology has revolutionized our understanding of marine megafauna. Modern biotelemetry generates millions of data points, enabling population-level insights from individual tracks. Choosing the right tag depends on the study species, research question, deployment duration, and ethical considerations around animal welfare.