Crayfish
see also: Etymology of Crayfish
The term of crayfish indicates a whole of species of Crustacé S décapode S, alive out of fresh water and resembling small Homard S, to which they are close. They belong to the super-family of the Astacoidae , created by Pierre André Latreille (1762 - 1833) in 1802.
In crayfish , it “screw” corresponds to an old word meaning fish (as in “crayfish”, the crayfish in English).
Some species
-
Orconectes limosus - American Crayfish.
- Austropotamobius pallipes (Lereboullet, 1858) - Crayfish with white legs.
- Austropotamobius torrentium (Schrank, 1803) - Crayfish of torrent.
- Crayfish crayfish (Linnaeus, 1758) - Crayfish with red legs.
- Crayfish leptodactylus (Eschscholtz, 1823) - Crayfish with legs hails.
- Procambarus clarkii (Girard, 1852) - Crayfish of Louisiana.
- Pacifastacus leniusculus (Dana, 1852) - Crayfish signal or of California
Astaciculture
The Astaciculture is the breeding of crayfish with commercial or semi-commercial goal.
Gills
The Branchie S of crayfish are fixed on its legs, three by legs. They are protected by the folds from the carapace, in the room branchiale. Its gills are known as feathery because they are in the shape of feather.
External bonds
- See a detailed diagram of the morphology of a crayfish and anatomy interns of a crayfish
crayfish|Crayfish
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