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Do crayfish have spiracles

Updated: 10/6/2023
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Wiki User

11y ago

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No. The aquatic kind of spiracle (such as you'd find on rays and skates) could be located only on cartilaginous fish, or the most primitive of the bony fish. The loosest definition of spiracles seems to include a respiratory opening such as the blowhole in whales; lobsters do have ventral openings to the gills but these are anatomically dissimilar to those. (Also since lobsters are aquatic, they do not possess spiracles of the type you'd find on insects.)

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10y ago
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11y ago

No. Insects have spiracles and some kinds of Spiders have spiracles. Millipedes and centipedes have spiracles. All those are generally land-dwelling animals.

Crayfish are crustaceans like crabs are, and crustaceans evolved their means of breathing underwater; they developed gills, not the breathing tubes called tracheae. Tracheae take in air at the spiracles.

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11y ago

Crayfish are aquatic crustaceans and have gills.

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13y ago

Crayfish do not breathe air they breathe water

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3y ago

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Q: Do crayfish have spiracles
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