Fishing, climate change and pollution threaten many shark species. Now, scientists are getting a close look at the shark environment. They want to better understand the threats this important animal faces. The researchers recently attached a camera to a sandbar shark to record its everyday activities. “And when we recovered the camera, we saw that the shark had spent the day in a large aggregation of sharks, not just sandbar sharks but also blacktip sharks and many, many scalloped hammerhead sharks.” said Carl Meyer, Hawai‘i Institute of Marine Biology (HIMB) assistant researcher. He also said sharks are important top-level hunters. They help keep a balance in ocean ecosystems. Pollution, climate change and fishing threaten those systems.

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