Trilobite+sand=crab
Puerto Rican sand crab was created in 1935.
Sand Crab
of course it needs sand
In English there are no masculine or feminine forms. English uses gender specific nouns for a male or a female.The gender specific nouns for a female crab are hen or jenny.The gender specific nouns for a male crab are cock or jimmy.The noun 'crab' is a common gender noun, a word for a male or a female.
cap
snails
No
You can tell a fiddler crab's gender by its claws. A female fiddler crab has two claws, the same size. A male fiddler crab has one large claw and one small claw.
in the ocean
crab
trilobite and sand