FUENTE
For many, the strange shape of how the crabs walk is strange, and if they walk sideways because their 4 pairs of very long legs when having that frown of side curvature it is impossible for them to walk sideways, it is important to note that the crab he attributes to them that they have 5 pairs of legs and not 4 as mentioned above, what happens is that many still count their pair of tenasa as a pair of legs more.
