[DOC] [TLE] Why have some crabs evolved to have one claw that is much larger ... [PAR] Nov 28, 2010 ... At least in the case of fiddler crabs (which are the crabs that most people think of 
... Rather than attacking, the fiddler crabs wave their claws. ... trait because the 
sons of those females will have greater success attracting a mate. ... In the other 
scenario, females begin to find males with bigger claws sexier and... [DOC] [TLE] Fiddler crab - Wikipedia [PAR] Fiddler crabs are most well known for their sexually dimorphic claws; the males' 
major claw is much larger than the minor claw while the females' claws are both... [DOC] [TLE] Fiddler Crabs [PAR] You can often see their distinct burrows, which are as much as 2-3 cm in ... Males 
wave their large claws in order to attract females to the burrow. ... The poor males 
only have one feeding claw, because they have sacrificed the other ... A study by 
Ann Pratt demonstrated that males with proportionally larger major claws got... [DOC] [TLE] Wave that claw: how male crabs attract mates  Sextraordinary! [PAR] Jul 25, 2016 ... Ilyoplax pusilla is a type of small crab found in Japan. Like many other crabs, 
males of this species perform a waving behavior during the reproductive season 
to attract females ... If waving attracts females, than it would be expected that all 
... Also, female I. pulsilla prefer larger crabs that have larger claws. [DOC] [TLE] Fiddler Crabs of the Northern Gulf Coast, Richard Heard, Gulf Coast ... [PAR] Fiddler crabs typically live in colonies; if you find one, you're likely to find dozens 
nearby. ... Each species has a distinct waving motion. The motion of the feeding 
claws on both males and females also resembles a ... Ghost crabs prefer open 
sandy beaches rather than tidal marshes, and they're much larger than fiddlers. [DOC] [TLE] Crustaceans - sea, important, largest, wave, marine, human [PAR] Fiddler crabs are known for their asymmetry in claw sizeone claw is much 
larger than the other. ... territories, intimidate other males, or attract females. [DOC] [TLE] Crustaceans facts, information, pictures | Encyclopedia.com articles ... [PAR] Fiddler crabs are known for their asymmetry in claw sizeone claw is much 
larger ... claws in order to defend their territories, intimidate other males, or attract 
females. ... Like crabs, lobsters have ten appendages, two claws and eight 
walking legs. ... The shrimp's chitinous external skeleton is thinner than that of 
crabs and... [DOC] [TLE] My What A Big Claw You Have! All the Better to Love You With ... [PAR] Jul 17, 2016 ... ... with the crabs. The males have one ridiculously large claw. ... Male fiddler crab 
wave their claws about, held high above their head to attract females into 
breeding burrows. Each species ... crab ladies? In part males with larger claws 
are more likely to win contests, much more a ritual than an actual fight. [DOC] [TLE] BLUECRAB.INFO - Blue Crab Mating - The Blue Crab Archives [PAR] The mature males have been buried in the sediments of the estuaries, and the ... 
He will then wave his claws, stretching them out wide, extending them fully 
outwards, and will begin to fan pheromones (a chemical scent which attracts 
females) ... though most will not produce more than one or two masses due to 
their short... [DOC] [TLE] Why Are Some Animals Asymmetrical? - Science Questions, from ... [PAR] Mar 22, 2016 ... But how does evolutionary biology explain how fiddler crabs have one claw very 
much bigger than the other. ... they're an embryo or a larval stage if they're that 
kind of creature. ... One is they wave it around and they try to attract a mate, so 
females generally like to select male Fiddler Crabs with large claws. [DOC] [TLE] Fiddler crabs - ScienceDirect [PAR] Jan 23, 2006 ... Jochen Zeil,; Jan M. Hemmi,; Patricia R.Y. Backwell ... Males wave vigorously to 
attract these females to their burrow, ... In some species that have both mating 
systems, the relative proportion of

Question: In this type of crab, the male has one claw much larger than the other, which it waves to attract females
Answer: a fiddler crab