diff --git a/_maps/map_files/biodome/biodome.dmm b/_maps/map_files/biodome/biodome.dmm
index 78f86e1f24a..9865822c4b8 100644
--- a/_maps/map_files/biodome/biodome.dmm
+++ b/_maps/map_files/biodome/biodome.dmm
@@ -19137,7 +19137,7 @@
 /turf/open/floor/iron/smooth_half,
 /area/station/security/brig)
 "gAS" = (
-/mob/living/simple_animal/crab,
+/mob/living/basic/crab,
 /obj/structure/flora/bush/flowers_yw/style_random,
 /turf/open/misc/ashplanet/wateryrock/biodome,
 /area/station/biodome/aft)
@@ -24558,7 +24558,7 @@
 /turf/open/floor/iron,
 /area/station/ai_monitored/command/storage/eva)
 "iDk" = (
-/mob/living/simple_animal/crab,
+/mob/living/basic/crab,
 /obj/structure/flora/rock/pile/jungle,
 /turf/open/misc/ashplanet/wateryrock/biodome,
 /area/station/biodome/aft)
@@ -28257,7 +28257,7 @@
 /turf/open/misc/ice/icemoon/no_planet_atmos,
 /area/station/asteroid)
 "jVF" = (
-/mob/living/simple_animal/crab/evil/kreb,
+/mob/living/basic/crab/evil/kreb,
 /turf/open/misc/ashplanet/wateryrock/biodome,
 /area/station/maintenance/central/greater)
 "jVI" = (
@@ -60772,7 +60772,7 @@
 /turf/open/misc/asteroid,
 /area/station/cargo/miningdock)
 "vca" = (
-/mob/living/simple_animal/crab,
+/mob/living/basic/crab,
 /turf/open/misc/ashplanet/wateryrock/biodome,
 /area/station/biodome/aft)
 "vcb" = (