NOAA Ocean Explorer: Estuary to the Abyss

Left to right: Blue crab (Callinectes sapidus), sargassum crab (Portunus sayi), and the blotched swimming crab (Portunus spinimanus), all shallow-water "swimming" crabs in the family Portunidae. Note the paddle-like swimming legs.

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Estuary to the Abyss

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