FIDDLER CRABS
招潮蟹(Fiddler Crabs). 这种奇怪的小螃蟹两只螯长得很不对称,一只又粗又大,另一只又细又小。每当潮水退落,它便爬出洞 … wenwen.soso.com|基于37个网页 2. 提琴手蟹或琴师蟹 西洋人则认为有著大螯足的雄性招潮蟹很像一位正在拉小提琴的人, 因此称呼 牠为提琴手蟹或琴师蟹(fiddler crabs)。 早在林 ...
The meaning of FIDDLER CRAB is any of several genera (such as Austruca, Leptuca, or Uca) of burrowing crabs in which the male has one claw that is greatly enlarged.
Male fiddler crabs greet other fiddler crabs they encounter by stopping and waving their claws, either as a courtship gesture to a female or a sizing-up manoeuvre towards another male. But when a predator passes they either freeze or scuttle away rapidly into their burrows. How the simple nerv...
Scott Hampton - Fiddler Crabs
内容提示: Current Biology Vol 16 No 2R40Quick guideFiddler crabsJochen Zeil 1 , Jan M. Hemmi 1and Patricia R.Y. Backwell 2What are fiddler crabs? Fiddlercrabs belong to the genus Uca.They are members of theocypodid family of brachyurancrabs, the most recent marineanimals to have invaded ...
Fiddler crabs are common on our natural undisturbed shores, especially those near mangroves. They are often found in large numbers. Fiddler crabs are highly sensitive to movement and will vanish when they feel footsteps on the sand or see shadows. To see them, wait patiently near their burrows...
When the fiddler crabs were kept in the dark, theyA. did not change colourB. changed colour more quicklyC. changed colour more slowlyD. changed colour on the same timetable4. The crab's colour-changing ability was probably developedA. in the process of evolution(进化)B. over millions of...
does this, so some people call it the fiddler crab Sometimes it wets(将……向……大)the big time to make it is saying hello That's why other people call it the calling crab Fiddler crabs are on long sticks( 坚杆)They can put up their eyes to look around It makes them look taller...
Fiddler crabs, also known as calling crabs, are a group of around 65 species in the genus Uca belonging to the Decapoda order of Crustaceans, and they’re called “fiddler” due to the enlarged claw of males, resembling a violin, while females have relatively smaller claws. Fiddler crabs ha...