Web13 mrt. 2024 · The crayfish is a freshwater crustacean that is well studied because of its size and abundance. Crayfish are structurally similar to lobsters, which are marine crustaceans. Crayfish, lobsters, crabs, and shrimp are decapods (DEK-uh-PAHDZ), or members of the order Decapoda. Decapoda means "10 feet," a name used because … Web30 mei 2024 · In addition to its walking legs and chelipeds the crayfish has five pairs of smaller limbs called swimmerets. The swimmerets are attached to the underside of the abdomen and are used to identify the gender of the crayfish. In male crayfish, the swimmerets closest to the abdomen are larger and harder than the others.
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why are crayfish gills attached to the walking legs
WebFemale crayfish have a circular opening, like a tiny doughnut, which is their seminal receptacle. Male crayfish have a hardened pair of swimmerets (legs on the abdomen) that extends back towards the head, and fits neatly into the groove between the walking legs. These modified legs are stiff, like hard plastic. Web1 jul. 2024 · What are 5 facts about crayfish? Below are six interesting facts about crayfish. Crayfish Will Eat Each Other. Crayfish Have Worms. Crayfish Urinate to Attract a Mate. Crayfish Will Eat Their Babies. Crayfish are Millions of Years Old. The Largest Crayfish in the World. Crayfish are Related to the Lobster. The Largest Crayfish in the World. Webhow many pairs of swimmerets do crayfish have. 5. what type of symmetry do crayfish and grasshoppers have. bilateral. phylum of grasshopper. Arthropoda. Class of grasshopper. Insecta. body segments of grasshopper. head, thorax, abdomen. excretory structure in grasshoppers. Where are the located. fix scratched car rims