“The carapace is flatter than it is broad and possesses lateral margins.”
“The sternites are fused into a wide sternal plastron which possesses a distinct emargination on its posterior margin.”
“The pleon is flattened and strongly bent, in dorsal view completely hiding the tergites of the fourth pleonal segment, and partially or completely covers the plastron.”
Crab is the ultimate form
https://en.m.wikipedia.org/wiki/Carcinisation
“…Are you crabs yet?”
Time to update my Tinder profile