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Cutaway diagram of a barnacle, with antennae highlighted by arrow. Crustaceans bear two pairs of antennae. The pair attached to the first segment of the head are called primary antennae or antennules.
Faxonius virilis is a species of crayfish known as the virile crayfish, northern crayfish, eastern crayfish, and lesser known as the lake crayfish or common crawfish. Faxonius virilis was reclassified in August 2017, and the genus was changed from Orconectes to Faxonius . [ 4 ]
' ten-footed ') are an order of crustaceans within the class Malacostraca, and includes crabs, lobsters, crayfish, shrimp, and prawns. Most decapods are scavengers. The order is estimated to contain nearly 15,000 extant species in around 2,700 genera, with around 3,300 fossil species. [1]
The Everglades crayfish [2] (Procambarus alleni), sometimes called the Florida crayfish, the blue crayfish, the electric blue crayfish, or the sapphire crayfish, is a species of freshwater crayfish endemic to Florida in the United States.
Faxonius shoupi, the Nashville crayfish, is a freshwater crustacean native to the Mill Creek Basin in Nashville, Tennessee. [2] Prior to August 2017, the species was called Orconectes shoupi . [ 4 ] Faxonius shoupi is protected under the Endangered Species Act (ESA) as an endangered species.
This and other colorful crayfish had been increasingly popular items among aquarium enthusiasts for the past 10 years or so and have been up for sale under various names in Asia, Europe, and North ...
Cambarus cryptodytes, the Dougherty Plain cave crayfish or Apalachicola cave crayfish, is a small, freshwater crayfish endemic to Florida and Georgia in the United States. It is an underground species known only from waters associated with the Floridan aquifer .
Image credits: Green____cat A constant flow of negative news can additionally influence our social behavior. "Prolonged exposure to negatively valenced news and media can lead to emotional ...