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Crayfish in Medical News

What gives us sunburn protects crayfish against bacteria

The production of melanin gives us sunburns, but it also helps invertebrate animals to encapsulate attacking fungi and parasites. Uppsala University researchers, in collaboration with Korean and Thai colleagues, can now show that melanin also protects against bacterial infections, at least in cra...

Fatty Fish consumption may reduce Kidney Cancer risk

...mption of fatty fish like salmon, herring, sardines, and mackerel; lean fish like cod, tuna and fresh water fish; and seafood like shrimp, lobster and crayfish was observed. A food frequency questionnaire was given to the participants when the study began in 1987 and again in September 1997. 150 kidney-ca...
Crayfish in Medical Products

Allergen, Food, Crayfish

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Crayfish in Biological News

Crafty Australian crayfish cheat

Nestled just off the east coast of Australia, picturesque North Stradbroke Island is a haven for local wildlife. Yet some of the inhabitants of the island's creeks and swamps are far from peaceful. Slender crayfish are aggressive territorial creatures, explains ecologist Robbie Wilson of the Unive...

Oldest Australian crayfish fossils provide missing evolutionary link

Crayfish body fossils and burrows discovered in Victoria, Australia, have provided the first physical evidence that crayfish existed on the continent as far back as the Mesozoic Era, says Emory University paleontologist Anthony Martin, who headed up a study on the finds. "Studying the fossil bu...

Inside the brain of a crayfish

Voyage to the bottom of the sea, or simply look along the bottom of a clear stream and you may spy lobsters or crayfish waving their antennae. Look closer, and you will see them feeling around with their legs and flicking their antennules the small, paired sets of miniature feelers at the top of ...

Down Under dinosaur burrow discovery provides climate change clues

... known for detecting subtle paleontology clues. He also identified the first tracks of a large, carnivorous dinosaur in Victoria, and the first fossil crayfish burrows from the same area. Martin teaches a seminar at Emory on modern-day animal tracking, a skill that he says aids him in finding signs of preh...

Resilin springs simplify the control of crustacean limb movements

...rows from the University of Cambridge, UK investigated the presence of resilin, an elastic protein found in many insects and crustaceans, in crabs and crayfish caught in Norfolk and Cambridge, UK, and in Washington, USA. He said, "The exquisite rubbery properties of resilin are known to be put to use as energ...

Biological invasions increasing due to freshwater impoundments, says CU-Boulder study

...esearchers looked at invaders like the Eurasian zebra mussel, the Eurasian water plant known as watermilfoil, the Eurasian spiny water flea, the rusty crayfish and the rainbow smelt. Such freshwater invaders often have direct negative effects on lake ecosystems, including reduced fishing success, changes in ...

Fighting Aussie yabbies don't forget a face -- new research by the University of Melbourne

...oser yabby was isolated and given a choice between its opponent and another crayfish not involved in the fight. The loser yabby moved towards the opponent it...nervous system and an invertebrate. "Yabbies remember the smell of other crayfish but the extent to which they remember visual features has previously been u...

New map outlines risk of zebra mussel invasion

...uickly clog as well as boats, buoys, motors, and engine cooling systems. They also attach to, and weigh down, native freshwater clams and mussels, crayfish and even large aquatic insects like larval dragonflies. When they attach to native clams and mussels, the researchers say, these invaded compete direc...

Study shows hope for ridding lakes of clawed invader

... The rusty crayfish - a voracious, bullying exotic that has visited ec...ion to Wisconsin waters sometime in the 1950s, the crayfish has spread to thousands of lakes and streams, clea...hat are critical fish habitat, evicting the native crayfish from one body of water after another and scooping ...

Exotic crab poised for widespread UK invasion

...all major UK estuaries in several years time. Mitten crabs are unwelcome because they prey on protected UK native species such as the white-clawed crayfish and salmon eggs and fry. They also settle in river banks, burrowing into them and riddling them with bore holes up to half a metre long which may eve...
Crayfish in Biological Dictionary

Uropod

...re discussed in the following places at Britannica. Assorted References structure of crustaceans ( in crustacean (arthropod): Appendages; ...crabs and crayfish the first two pairs in the male are modified to help in sperm transfer during mating. The last pair of abdominal limbs is frequently different from ...

Telson

...y, and word games. Telson - Definition of Telson at Dictionary.com a free online dictionary with ... Telson electronics. Parts of a crayfish. crayfish external d... Antennules ... Find products and compare prices at TheFind.com. Shop online for thousands of great items like the Danner Telson Sid...

Pleopod

...Eriocheir sinensis; Tegument of pleopod ; Physiological stage; Histology; Abortion crab ... ... a high allometric value of female pleopod in the crayfish Procambarus clarkii. ... potential was lower than that of pleopod length, which indicates that the ... Pleopod beat timeseries. ... Shown in gr...

Antennule

...antennule during the downstroke, is retained during ... aesthetasc-bearing section of an antennule for a duration of 44 ms midway during ... The crayfish antennule is a useful model for the study of the characteristics ... Functional consequences of antennule and aesthetasc loss and regeneration ......
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