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american_paddlefish [2021/05/27 11:22] rapidplatypus created |
american_paddlefish [2021/05/31 03:04] (current) aga |
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====== American Paddlefish ====== | ====== American Paddlefish ====== | ||
- | The American paddlefish, polychaete or paddlefish (Polyodon spathula) is a species of freshwater sturgeon in the paddlefish family. It is found in the Mississippi River basin and Lake Huron. | + | ==== Freshwater sturgeon ==== |
+ | The American paddlefish, polychaete, or paddlefish (Polyodon spathula) is a species of freshwater sturgeon in the paddlefish family. It is found in the Mississippi River basin and Lake Huron. | ||
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+ | ==== Sensory organ ==== | ||
+ | The snout — a rostrum shaped like a horizontally arranged paddle — is sometimes half the length of its entire body and functions as a sensory organ. | ||
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+ | ==== Mouth wide open ==== | ||
+ | It characteristically grabs its food, which consists mainly of pelagic crustaceans, | ||
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+ | ==== Spawns ==== | ||
+ | It spawns in early spring in rivers and lakes in turbid water with sandy gravel or rocky bottom. The female lays 80-250 thousand grains of eggs. She then forms large flocks that swim into larger tributaries or lakes. In its habitat, it stays away from the shore at considerable depths. | ||
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+ | ==== Illegal harvesting ==== | ||
+ | Because paddlefish is considered to be an ancient species, it is illegal to harvest for caviar. Harvesting paddlefish is considered poaching. | ||
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+ | {{tag> |