Why are tiger sharks migrating to New England earlier and staying longer?

Sharks Are Showing Up Earlier—and Staying Longer · 4:19 · Video: NOVA PBS Official · Watch at the source

In short: Tiger sharks are shifting their traditional migration patterns, arriving off the New England coast sooner and lingering for extended periods. This video explores the environmental and biological drivers behind this unexpected change in shark behavior.

Researchers have observed that tiger sharks are altering their seasonal movements, appearing in New England waters earlier than historically recorded. These predators are not only arriving ahead of schedule but are also remaining in the region for a greater duration than previously observed.

The phenomenon highlights a significant shift in marine migration, prompting investigations into the specific environmental factors influencing these movements. Understanding why these sharks are extending their range and residency is critical to mapping the changing dynamics of coastal ecosystems.

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