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These creatures have a compact body and tail, and use their large flippers to swim through Odin’s seas; the fore flippers are used for propulsion, and the rear ones to adjust direction.  Pinnitae species are very agile, plucking small marine animals away their swarms or schools with precise actions of their beak-like paraglossae (which oppose an extension of the head region that acts as an ‘upper jaw’).  The flippers of some species have become enlarged and specialized; the species whose rear flippers have become emphasized are used for display and/or communication with others of their kind.  Those that have large fore flippers actually use them to catch the wind as they float belly-up on the sea’s surface, sailing rather than swimming.

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PeteriDish's avatar
wonderful critters!