If the Hermit crab is a female, it has two gonopores on the first segment of the back pair of walking legs.
Yes. The females mainly attack each other. Also some crabs just play with other crabs and it looks like they are attacking.
To show of there claws and impress females.
Fiddler crabs are usually red, orange, or brown in color. The males have a brightly colored claw, while the females are more subdued in color.
Some types of crabs I know of are fiddler crabs, hermit crabs and horseshoe crabs.
Males are Jimmies and females are Sally or she crab for immature crabs and Sook for a mature female.
The three I know of are fiddler crabs, hermit crabs and horseshoe crabs.
"people throw king crabs back because there is a little number of king crabs left."from Kane m i don't agree with that answer about the little number, the season is set according to help eliminate overfishing king crabs. The reasons they throw crabs back is becaues they are either females which are illegal to keep, or the size of the crab doesn't meet the size standards.
For some crab species, claws are different between males and females, like larger claws on male fiddler crabs, or color on blue crabs. All male crabs have a triangular shape near the rear on their underside, though, while females have a broad round marking in that same location.
They are only on females and they are two dots on the end of the hermit crab.
Crabs are known for being aggressive and will fight over females or over a hiding hole. Sometimes they can effectively warn others with a display, for example raising or waving a claw.
If blue crabs didn't have both makes and females they would not be able to reproduce, would they?
Lizards can live with hermits crabs and birds but i only know its possible in the wild