词条 | paddlefish |
释义 | paddlefish fish also called Duckbill Cat, either of two species of archaic freshwater fish with a paddle-like snout, wide mouth, smooth skin, and cartilaginous skeleton. A relative of the sturgeon, the paddlefish is of the family Polyodontidae and the order Acipenseriformes. It feeds with mouth gaping open, gill rakers straining plankton from the water. ![]() ![]() |
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