Mysterious ocean-floor trails show Arctic sponges on the move

The aquatic animal known as the sponge is often described as entirely sessile: once they've settled in a spot and matured, they aren't generally thought of as moving around. But, according to a new study in the journal Current ...

Ancient fish DNA provides a window back in time

The accidental discovery of fossilized three-spine stickleback bones dating back 12 thousand years, has enabled scientist to confirm parallel evolution, or evolutionary changes or adaptions which take place repeatedly.

Humpback whale songs provide insight to population changes

Approximately 8,000-12,000 of the North Pacific humpback whale stock visits the shallow waters of the Hawaiian Islands seasonally to breed. During this time, mature males produce an elaborate acoustic display known as "song," ...

Reef manta rays make long-term use of marine-protected areas

Marine animals are notoriously difficult to track, creating big gaps in how scientists understand their behavior and migration patterns—key insights for helping conserve important habitats. Researchers in Australia, using ...

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