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Latest Crayfish Stories

Frog Larvae Have Developed A Defensive Response Against The Red Swamp Crayfish
2014-07-10 03:35:29

FECYT - Spanish Foundation for Science and Technology The common frog is one of the amphibians with the highest distribution in the Iberian Peninsula. It reproduces preferably in permanent areas of water where it comes into contact with the red swamp crayfish, which preys on its larvae. Research carried out by the Spaniard Germán Orizaola from the University of Uppsala (Sweden) confirms that the larvae of these frogs have developed a defensive response to the invasive species. They also...

2014-04-10 11:20:32

Foreign species that are devastating water ecosystems could be "hitchhiking" around Britain on canoeists' and anglers' kit, according to a new study. Invaders like the killer shrimp, zebra mussel and American signal crayfish have already caused extensive environmental damage and millions of pounds of economic costs. The new research, led by the University of Leeds and the Centre for Environment Fisheries and Aquaculture Science (Cefas), found that the cleaning habits of anglers and...

New Tiny Species Of Crayfish Discovered In The Swamps Of Coastal Eastern Australia
2014-04-09 09:09:09

Pensoft Publishers Hidden in one of Australia's most developed and fastest growing areas lives one of the world's smallest freshwater crayfish species. Robert B McCormack the Team Leader for the Australian Crayfish Project described the new species belonging to the genus Gramastacus, after 8 years of research in the swamps and creeks of coastal New South Wales, Australia. The study was published in the open access journal ZooKeys. Being a small crayfish species it has remained...

2013-07-09 22:58:20

A study conducted by Dr. James Diaz, Professor of Public Health and Preventive Medicine and Program Director of the Environmental/Occupational Health Sciences Program at the LSU Health Sciences Center New Orleans School of Public Health, analyzed cases of a parasitic lung infection and found new modes of transmission and associated behaviors, identifying new groups of people at risk. Dr. Diaz hopes to raise the index of suspicion among medical professionals so non-traditional patients and...

Red Swamp Crayfish Plays Host To Diminutive Crustaceans
2012-09-12 13:41:36

April Flowers for redOrbit.com - Your Universe Online The small ostracod, or seed shrimp, Ankylocythere sinuosa, lives on other crayfish and measures just half a millimeter in length. For the first time, Spanish scientists have found the ostracod in Europe. It is possible Ankylocythere arrived 30 years ago with the invader crayfish Procambarus clarkii, but it is unknown whether it can infest other crustacean species or whether it benefits or damages the expansion of the already...

Ultimate Survivor Title Goes To The Red Swamp Crayfish
2012-08-05 20:28:41

redOrbit Staff & Wire Reports - Your Universe Online Could make you think twice about introducing them to ecosystems Research from Queen Mary, University of London has found one of the most invasive species on the planet earth is able to source food from the land as well as its usual food sources in the water. Scientists examined the behavior of red swamp crayfish in Kenya's Lake Naivasha and discovered that the crayfish found additional food sources on land when the water was...

2012-05-16 22:35:19

A team of Israeli and German scientists from Ben-Gurion University of the Negev (BGU) and the Max Planck Institute of Colloids and Interfaces have found an enamel-like layer in the mandibles of freshwater crayfish, according to an article in Nature Communications titled "Enamel-like Apatite Crown Covering Amorphous Mineral in a Crayfish Mandible." Dr. Shmuel Bentov from BGU's Avram and Stella Goldstein-Goren Department of Biotechnology Engineering discovered that this species of crayfish...

American Crayfish Overtaking British Cousins
2012-03-16 10:43:37

Stronger, heartier American signal crayfish are taking over populations of native white-clawed crayfish in Yorkshire. The more aggressive signal crayfish is able to withstand disease  and is less picky about what it eats. Biologists believe these and other reasons are contributing factors in the decline of Yorkshire´s native white-clawed crayfish. Signal crayfish can carry plague, which proves fatal in the native crayfish. Additionally, the native white-clawed crayfish suffers...


Latest Crayfish Reference Libraries

Crawfish Frog, Rana areolata
2013-07-26 19:14:26

The Crawfish Frog (Rana areolata or Lithobates areolatus) is a medium-sized species of frog endemic to the prairies and grasslands of the central United States. Its name comes from the fact that it inhabits the burrows of crayfish for the majority of the year. The crawfish frog grows from 2.2 to 3.0 inches long. It ranges from yellow to brown in coloration, with a white ventral surface. The numerous dark brown colored spots featured on its back each have a light-colored ring around it. It...

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2008-05-04 22:57:27

The Danube Crayfish or Galician Crayfish (Astacus leptodactylus), is a species of crayfish native to eastern Europe. It can be distinguished most easily from the commoner European or broad-fingered crayfish (Astacus astacus) by the relatively thinner "fingers" of the claws. Photo Copyright and Credit

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2008-05-04 22:26:21

The Signal Crayfish (Pacifastacus leniusculus), is an American crayfish indigenous to the western United States. Signal Crayfish were introduced in Swedish rivers and lakes to replace the native crayfish species there that were nearly exterminated from the crayfish plague that devastated the European crayfish stocks. This species has also been introduced to Japan and a number of other countries as well. Unfortunately, this species has also been introduced carelessly to some countries without...

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2008-05-02 01:28:54

The European Crayfish (Astacus astacus), also known as the Noble Crayfish or Broad-fingered Crayfish, is the most common species of crayfish in Europe, and is a traditional delicacy. Like other crayfish, the European crayfish is restricted to fresh water, living only in unpolluted streams, rivers and lakes. It is found from France throughout central Europe, to the Balkan peninsula, and north as far as parts of the British Isles, Scandinavia, and the western parts of the former Soviet Union....

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2007-04-10 14:01:52

Common goldfish are a type of goldfish with no other modifications from their ancestors other than their color. Most varieties of fancy goldfish were derived from this simple breed. Common goldfish come in a variety of colors including red, orange/gold, white, black and yellow or 'lemon' goldfish. As pets The Common goldfish has become a popular pet around the world. They are hardier than fancier fish, able to live in a variety of conditions ranging from aquariums to outdoor ponds, and...

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Word of the Day
caparison
  • A cloth or covering, more or less ornamented, laid over the saddle or furniture of a horse, especially of a sumpter-horse or horse of state.
  • Clothing, especially sumptuous clothing; equipment; outfit.
  • To cover with a caparison, as a horse.
  • To dress sumptuously; adorn with rich dress.
This word ultimately comes from the Medieval Latin 'cappa,' cloak.
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