Could sleeper sharks be preying on protected Steller sea lions?

15 octubre 2014

Pacific sleeper sharks, a large, slow-moving species thought of as primarily a scavenger or predator of fish, may be preying on something a bit larger — protected Steller sea lions in the Gulf of Alaska. A new study has found the first indirect evidence that this cold-blooded shark that can grow to a length of more than 20 feet — longer than a great white shark — and may be an opportunistic predator of juvenile Steller sea lions.