code/modules/movespeed/modifiers/mobs.dm 
| /datum/movespeed_modifier/equipment_speedmod | Movespeed modifier applied by worn equipment. |
|---|---|
| /datum/movespeed_modifier/equipment_speedmod/immutable | Movespeed modifier applied by immutably slow worn equipment. Should never be ignored, because that's the point. |
| /datum/movespeed_modifier/fish_on_water | speed bonus given by the fish tail organ when inside water. |