1. Nassau Grouper, territorial behaviour on Bloody Bay Wall, Little Cayman

    02:26

    from Frans De Backer Added

    Nassau Grouper are solitary fish and defend a territory against other Nassau Groupers. During a territorial dispute, which usually involves chasing, smaller Grouper often adopt a submissive bicolour…

    + More details
    • Echinoderms: Sea Star Time-lapse: Don Wobber's Film

      02:26

      from Shape of Life Added 2,026 1 0

      Sea stars have social interactions—on a slower timeframe than we’re used to.

      + More details

      What are Tags?

      Tags

      Tags are keywords that describe videos. For example, a video of your Hawaiian vacation might be tagged with "Hawaii," "beach," "surfing," and "sunburn."