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Jun 15, 2024 · crayfish, any of numerous crustaceans (order Decapoda, phylum Arthropoda) constituting the families Astacidae (Northern Hemisphere), Parastacidae, and Austroastracidae (Southern Hemisphere). They are closely related to the lobster. Over half of the more than 500 species occur in North America.
Sep 14, 2023 · Crayfish, also known as crawfish or crawdads, are a type of freshwater crustacean that belong to the same family as lobsters and crabs. These creatures are characterized by their elongated bodies, jointed appendages, and hard exoskeletons.
In Australia and New Zealand, the name crayfish (or cray) generally refers to a saltwater spiny lobster, of the type Jasus that is indigenous to much of southern Oceania, while the freshwater crayfish are usually considered a yabby, or a koura, from the Aboriginal, and Māori, names for the animal respectively.
Anatomy. The body of a decapod crustacean, such as a crab, lobster, or prawn (shrimp), is made up of twenty body segments grouped into two main body parts, the cephalothorax and the abdomen. Each segment may possess one pair of appendages, although in various groups, these may be reduced or missing.
Crayfish, or crawdads, are crustaceans that live in freshwater environments throughout the world, except for India and Antarctica. These animals have five pairs of legs, or 10 legs total—hence ...
May 27, 2024 · Enjoy this expertly researched article on crayfish, including where they live, what they eat, how they behave & much more.
Crayfish are freshwater crustaceans found in rivers, lakes, and streams. These animals are related to lobsters, and many different types of crayfish are found worldwide. They have a hard exoskeleton to protect them from predators, as well as claws to help them grab and catch food. Crayfish are available in a variety of colors and sizes.
Australia has a large and unique crayfish fauna including the largest and smallest species in the world. Updated. 23/06/23. Crayfish are heavy bodied crustaceans with an enlarged, pincer-like first pair of legs and are known by many common names depending on the area they are found.
Jul 30, 2018 · The crayfish are just very beautiful crustacean that belong to the families Astacoidea and Parastacoidea. It is very interesting and useful to learn about their reproduction and how to take care of them.
May 21, 2018 · crayfish or crawfish, freshwater crustacean [1] smaller than but structurally very similar to its marine relative the lobster [2], and found in ponds and streams in most parts of the world except Africa.
