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A crayfish capable of cloning itself is taking over European countries — and the EU has banned its transport, production, and release, reports NYT.
In Jordan Peele’s incredible 2019 horror film Us, an army of human doppelgängers called The Tethered arise to take the place of the existing human population. It hits at some of our core fears ...
Procambarus fallax (also known as deceitful crayfish [1] or slough crayfish [2] [4]) is a species of crayfish in the genus Procambarus. It lives in tributaries of the Satilla River in Georgia and Florida. [1] [2] It is the closest relative to the parthenogenetic marbled crayfish, Procambarus virginalis. [5] [6]
The marbled crayfish or Marmorkrebs (Procambarus virginalis) is a parthenogenetic crayfish that was discovered in the pet trade in Germany in 1995. [4] [5] Marbled crayfish are closely related to the "slough crayfish", Procambarus fallax, [6] which is widely distributed across Florida. [7] No natural populations of marbled crayfish are known.
"I can’t think of a morally acceptable reason to clone a human being." Mary Seller, a member of Church of England's Board of Social Responsibility and a professor of developmental genetics: "Cloning, like all science, must be used responsibly. Cloning humans is not desirable. But cloning sheep has its uses." Pope John Paul II:
Procambarus is a genus of crayfish in the family Cambaridae, all native to North and Central America. It includes a number of troglobitic species, and the marbled crayfish (marmorkrebs), which is parthenogenetic. Originally described as a subgenus for four species, it now contains around 161 species.
From this, it can be inferred that the crayfish spends most its time moving very slowly, or not at all, to conserve energy. Since food is scarce in this environment and there are few opportunities to feed, these crayfish are likely very opportunistic foragers. [5] Other than this, little is known about the behaviour of C. zophonastes. To better ...
Intensive searches of its former habitat have found that every site where it once occurred is now occupied by either the signal crayfish or Procambarus clarkii. [1] The preserved specimen of male and female P. nigrescens, suggests that scale bars for males is 5 mm (0.20 in), while for females its 2 mm (0.079 in). The size of the specimen was 46 ...