The average period is 2 weeks or 14 days.
I don’t know
Recess
They lives in a crab burrows.
Fiddler crabs dig burrows to create a safe shelter from predators and to regulate their body temperature. Burrowing also helps them stay hydrated by preserving moisture in the burrow. Additionally, male fiddler crabs use their burrows to attract mates and establish dominance within their territory.
shore crabs are effected by seasonal changes, some are the sunlight. In the winter, as you know, the days light shortens in hours than in the summer. crabs mainly come out when dark, there for have to adapt to the hours they are out......
claws
With their claws.
they support bymoving \
for defending themselves from prey
Crabs are not in the habit of attacking, but will defend themselves with a pair of slicing and crushing claws.
Hermit crabs pull themselves up into their hard shell. Other crabs must just get away as fast as they can.
Crabs spawn roe (which female crabs carry on themselves for a couple of month). But technically roe also can be called "eggs" )