diff --git a/code/modules/mob/living/simple_animal/hostile/bat.dm b/code/modules/mob/living/simple_animal/hostile/bat.dm
index df4172d612f..8c42f4ada16 100644
--- a/code/modules/mob/living/simple_animal/hostile/bat.dm
+++ b/code/modules/mob/living/simple_animal/hostile/bat.dm
@@ -46,6 +46,11 @@
 /mob/living/simple_animal/hostile/scarybat/Process_Spacemove(var/check_drift = 0)
 	return ..()	//No drifting in space for space carp!	//original comments do not steal
 
+/mob/living/simple_animal/hostile/scarybat/IsInvalidTarget(atom/A)
+	..()
+	if(A == owner)
+		return 1
+
 /mob/living/simple_animal/hostile/scarybat/FindTarget()
 	. = ..()
 	if(.)
diff --git a/code/modules/mob/living/simple_animal/hostile/carp.dm b/code/modules/mob/living/simple_animal/hostile/carp.dm
index a7806490d7b..be9c8eeca8c 100644
--- a/code/modules/mob/living/simple_animal/hostile/carp.dm
+++ b/code/modules/mob/living/simple_animal/hostile/carp.dm
@@ -1,4 +1,6 @@
-var/global/
+#define PHEROMONES_NO_EFFECT	0
+#define PHEROMONES_NEUTRAL		1
+#define PHEROMONES_FOLLOW		2
 
 /mob/living/simple_animal/hostile/carp
 	name = "space carp"
@@ -42,6 +44,9 @@ var/global/
 
 	faction = "carp"
 
+	var/pheromones_act = PHEROMONES_NEUTRAL //This variable determines how carps act to pheromones. Big carps won't attack the source,
+	//baby carps follow the source and holocarps don't give a shit
+
 /mob/living/simple_animal/hostile/carp/New()
 	.=..()
 	gender = pick(MALE, FEMALE)
@@ -66,12 +71,24 @@ var/global/
 /mob/living/simple_animal/hostile/carp/Process_Spacemove(var/check_drift = 0)
 	return 1	//No drifting in space for space carp!	//original comments do not steal
 
+/mob/living/simple_animal/hostile/carp/IsInvalidTarget(atom/A)
+	if(ismob(A) && A.reagents)
+		if(pheromones_act == PHEROMONES_NEUTRAL && A.reagents.has_reagent("carppheromones"))
+			return 1 //Carps who avoid pheromones don't target mobs with pheromones in their system. They just ignore them!
+	..()
+
 /mob/living/simple_animal/hostile/carp/FindTarget()
 	. = ..()
 	if(.)
 		emote("nashes at [.]")
 
 /mob/living/simple_animal/hostile/carp/AttackingTarget()
+	if(!target) return
+
+	if(pheromones_act == PHEROMONES_FOLLOW && target.reagents && target.reagents.has_reagent("carppheromones"))
+		return	//This might be a bit hacky. The purpose of this is to prevent carps who are attracted to pheromones from attacking
+				//the source. Instead, it simply follows it.
+
 	. =..()
 	var/mob/living/carbon/L = .
 	if(istype(L))
@@ -93,11 +110,18 @@ var/global/
 	melee_damage_upper = 8
 	melee_damage_lower = 8
 
+	pheromones_act = PHEROMONES_FOLLOW
+
 /mob/living/simple_animal/hostile/carp/holocarp
 	icon_state = "holocarp"
 	icon_living = "holocarp"
 	can_breed = 0
+	pheromones_act = PHEROMONES_NO_EFFECT
 
 /mob/living/simple_animal/hostile/carp/holocarp/Die()
 	qdel(src)
 	return
+
+#undef PHEROMONES_NO_EFFECT
+#undef PHEROMONES_NEUTRAL
+#undef PHEROMONES_FOLLOW
diff --git a/code/modules/mob/living/simple_animal/hostile/hostile.dm b/code/modules/mob/living/simple_animal/hostile/hostile.dm
index 4bc52683eb8..6d1bb417523 100644
--- a/code/modules/mob/living/simple_animal/hostile/hostile.dm
+++ b/code/modules/mob/living/simple_animal/hostile/hostile.dm
@@ -82,6 +82,10 @@
 		L += Objects
 	return L
 
+/mob/living/simple_animal/hostile/proc/IsInvalidTarget(atom/A)
+	if(isMoMMI(A))
+		return 1
+
 /mob/living/simple_animal/hostile/proc/FindTarget()//Step 2, filter down possible targets to things we actually care about
 	//writepanic("[__FILE__].[__LINE__] ([src.type])([usr ? usr.ckey : ""])  \\/mob/living/simple_animal/hostile/proc/FindTarget() called tick#: [world.time]")
 	var/list/Targets = list()
@@ -93,11 +97,8 @@
 			Targets = FoundTarget
 			break
 		if(CanAttack(A))//Can we attack it?
-			if(isMoMMI(A))
-				continue
-			if(istype(src, /mob/living/simple_animal/hostile/scarybat))
-				if(A == src:owner)
-					continue
+			if(IsInvalidTarget(A)) continue
+
 			Targets += A
 			continue
 	Target = PickTarget(Targets)
@@ -125,11 +126,11 @@
 		return 0
 	if(isliving(the_target) && search_objects < 2)
 		var/mob/living/L = the_target
-		if(L.stat > stat_attack || L.stat != stat_attack && stat_exclusive == 1)
+		if(L.stat > stat_attack || (L.stat != stat_attack && stat_exclusive == 1))
 			return 0
 		if(L.flags & INVULNERABLE)
 			return 0
-		if(L.faction == src.faction && !attack_same || L.faction != src.faction && attack_same == 2 || L.faction != attack_faction && attack_faction)
+		if((L.faction == src.faction && !attack_same) || (L.faction != src.faction && attack_same == 2) || (L.faction != attack_faction && attack_faction))
 			return 0
 		if(iscultist(L) && (faction == "cult"))
 			return 0
diff --git a/code/modules/reagents/Chemistry-Reagents.dm b/code/modules/reagents/Chemistry-Reagents.dm
index 631aa54bae4..811b0eaff77 100644
--- a/code/modules/reagents/Chemistry-Reagents.dm
+++ b/code/modules/reagents/Chemistry-Reagents.dm
@@ -2762,6 +2762,34 @@
 		H.update_mutations()		//update our mutation overlays
 		H.update_body()
 
+/datum/reagent/carp_pheromones
+	name = "carp pheromones"
+	id = "carppheromones"
+	description = "A disgusting liquid with a horrible smell, which is used by space carps to mark their territory and food."
+	reagent_state = LIQUID
+	color = "#6AAA96" // rgb: 106, 170, 150
+	custom_metabolism = 0.1
+
+/datum/reagent/carp_pheromones/on_mob_life(var/mob/living/M as mob)
+	if(!holder) return
+	if(!M) M = holder.my_atom
+	if(!data) data = 0
+	data++
+
+	var/stench_radius = Clamp(data * 0.1, 1, 6) //Stench starts out with 1 tile radius and grows after every 10 life ticks
+
+	if(prob(5)) // 5% chance of stinking per life()
+		for(var/mob/living/carbon/C in oview(stench_radius,M)) //All other carbons in 4 tile radius (excluding our mob)
+			if(C.stat) return
+			if(istype(C.wear_mask))
+				var/obj/item/clothing/mask/c_mask = C.wear_mask
+				if(c_mask.body_parts_covered & MOUTH) continue	//If the carbon's mouth is covered, let's assume they don't smell it
+
+			C << "<span class='warning'>You are engulfed by a [pick("tremendous","foul","disgusting","horrible")] stench emanating from [M]!</span>"
+
+	..()
+	return
+
 /datum/reagent/blackpepper
 	name = "Black Pepper"
 	id = "blackpepper"
diff --git a/code/modules/reagents/Chemistry-Recipes.dm b/code/modules/reagents/Chemistry-Recipes.dm
index b9264d5d285..f33428bb18b 100644
--- a/code/modules/reagents/Chemistry-Recipes.dm
+++ b/code/modules/reagents/Chemistry-Recipes.dm
@@ -563,6 +563,13 @@ datum
 			required_reagents = list("sodiumchloride" = 1, "ethanol" = 1, "radium" = 1)
 			result_amount = 3
 
+		carp_pheromones
+			name = "Carp pheromones"
+			id = "carppheromones"
+			result = "carppheromones"
+			required_reagents = list("carpotoxin" = 1, "leporazine" = 1, "carbon" = 1)
+			result_amount = 3
+
 		plasmasolidification
 			name = "Solid Plasma"
 			id = "solidplasma"
diff --git a/code/modules/reagents/reagent_containers/food/snacks/meat.dm b/code/modules/reagents/reagent_containers/food/snacks/meat.dm
index b7d4aa29e6f..147d8d71edd 100644
--- a/code/modules/reagents/reagent_containers/food/snacks/meat.dm
+++ b/code/modules/reagents/reagent_containers/food/snacks/meat.dm
@@ -81,14 +81,6 @@
 		reagents.add_reagent("hyperzine", 5)
 		src.bitesize = 3
 
-/obj/item/weapon/reagent_containers/food/snacks/meat/mimic
-	name = "meat"
-	desc = "An ordinary slab of meat. Or is it?"
-	icon_state = "meat"
-	New()
-		..()
-		reagents.add_reagent("mimicinum", 3)
-
 /obj/item/weapon/reagent_containers/food/snacks/meat/egg
 	name = "egg"
 	desc = "An egg!"
diff --git a/html/changelogs/unid_carp.yml b/html/changelogs/unid_carp.yml
new file mode 100644
index 00000000000..5326585861f
--- /dev/null
+++ b/html/changelogs/unid_carp.yml
@@ -0,0 +1,7 @@
+author: Unid
+
+delete-after: True
+
+changes: 
+  - rscadd: Added carp pheromones, created by mixing carpotoxin, leporazine and carbon.
+  - rscadd: Adult space carps ignore mobs with carp pheromones, baby space carp follow them instead (without attacking).