It depends from the species
.
- Species Eucratodes agassizii (dirtytooth mud crab).
- Species Eurypanopeus abbreviatus (lobate mud crab).
- Species Eurypanopeus depressus (flatback mud crab).
- Species Eurypanopeus dissimilis (asymmetric mud crab).
- Species Eurypanopeus turgidus (ridgeback mud crab).
- Species Eurytium limosum (broadback mud crab).
- Species Garthiope barbadensis (prickly mud crab).
- Species Glyptoxanthus erosus (eroded mud crab).
- Species Hemigrapsus oregonensis (mud-flat crab).
- Species Heteractaea ceratopus (horned mud crab.
- Species Heteractaea lunata (fuzzy mud crab).
- Species Hexapanopeus paulensis (knobbed mud crab).
- Species Micropanope lobifrons (lobefront mud crab).
- Species Micropanope nuttingi (beaded mud crab).
- Species Micropanope pusilla (puffy mud crab).
- Species Micropanope urinator (thorny mud crab).
- Species Panopeus americanus (narrowback mud crab).
- Species Panopeus hartii (areolate mud crab).
- Species Panopeus herbstii (black-fingered mud crab, black-clawed mud crab, Atlantic mud crab, common mud crab).
- Species Panopeus lacustris (knotfinger mud crab).
- Species Panopeus occidentalis (furrowed mud crab).
- Species Panopeus rugosus (granulose mud crab).
- Species Panopeus simpsoni (oystershell mud crab).
- Species Rhithropanopeus harrisii (Harris mud crab).
- Species Scylla serrata (giant mud crab).
- Species Tetraxanthus bidentatus (vornered mud crab).
- Species Tetraxanthus rathbunae (inflated mud crab).