diff --git a/code/modules/mob/living/carbon/human/species/species.dm b/code/modules/mob/living/carbon/human/species/species.dm
index 40d9d7402ee..23f8249bdac 100644
--- a/code/modules/mob/living/carbon/human/species/species.dm
+++ b/code/modules/mob/living/carbon/human/species/species.dm
@@ -11,7 +11,6 @@
 
 	// Icon/appearance vars.
 	var/icobase = 'icons/mob/human_races/r_human.dmi'    // Normal icon set.
-	var/icobase_add										 // Icon set for highlight blends when applicable.
 	var/deform = 'icons/mob/human_races/r_def_human.dmi' // Mutated icon set.
 
 	var/speech_bubble_appearance = "normal"              // Part of icon_state to use for speech bubbles when talking.  See talk.dmi for available icons.
@@ -29,7 +28,6 @@
 
 	var/tail                                             // Name of tail state in species effects icon file.
 	var/tail_animation                                   // If set, the icon to obtain tail animation states from.
-	var/tail_animation_add								 // Highlight overlay for tail.
 	var/tail_hair
 
 	var/race_key = 0       	                             // Used for mob icon cache string.
diff --git a/code/modules/mob/living/carbon/human/species/species_getters.dm b/code/modules/mob/living/carbon/human/species/species_getters.dm
index e0be03af1dd..efb053eddfe 100644
--- a/code/modules/mob/living/carbon/human/species/species_getters.dm
+++ b/code/modules/mob/living/carbon/human/species/species_getters.dm
@@ -10,9 +10,6 @@
 /datum/species/proc/get_tail_animation(var/mob/living/carbon/human/H)
 	return tail_animation
 
-/datum/species/proc/get_tail_animation_a(var/mob/living/carbon/human/H)
-	return tail_animation_add
-
 /datum/species/proc/get_tail_hair(var/mob/living/carbon/human/H)
 	return tail_hair
 
@@ -31,9 +28,6 @@
 /datum/species/proc/get_icobase(var/mob/living/carbon/human/H, var/get_deform)
 	return (get_deform ? deform : icobase)
 
-/datum/species/proc/get_icobase_a(var/mob/living/carbon/human/H)
-	return icobase_add
-
 /datum/species/proc/get_station_variant()
 	return name
 
diff --git a/code/modules/mob/living/carbon/human/species/station/seromi.dm b/code/modules/mob/living/carbon/human/species/station/seromi.dm
index 308c62c4bda..0a6e1df9a48 100644
--- a/code/modules/mob/living/carbon/human/species/station/seromi.dm
+++ b/code/modules/mob/living/carbon/human/species/station/seromi.dm
@@ -26,9 +26,8 @@
 	tail_hair = "feathers"
 	reagent_tag = IS_TESHARI
 
-	icobase = 'icons/mob/human_races/r_seromi_m.dmi'
-	icobase_add = 'icons/mob/human_races/r_seromi_a.dmi'
-	deform = 'icons/mob/human_races/r_seromi_m.dmi'
+	icobase = 'icons/mob/human_races/r_seromi.dmi'
+	deform = 'icons/mob/human_races/r_seromi.dmi'
 	damage_overlays = 'icons/mob/human_races/masks/dam_seromi.dmi'
 	damage_mask = 'icons/mob/human_races/masks/dam_mask_seromi.dmi'
 	blood_mask = 'icons/mob/human_races/masks/blood_seromi.dmi'
diff --git a/code/modules/mob/living/carbon/human/species/station/station.dm b/code/modules/mob/living/carbon/human/species/station/station.dm
index 686519394fd..f07ff9b1197 100644
--- a/code/modules/mob/living/carbon/human/species/station/station.dm
+++ b/code/modules/mob/living/carbon/human/species/station/station.dm
@@ -25,12 +25,10 @@
 /datum/species/unathi
 	name = "Unathi"
 	name_plural = "Unathi"
-	icobase = 'icons/mob/human_races/r_lizard_m.dmi'
-	icobase_add = 'icons/mob/human_races/r_lizard_a.dmi'
+	icobase = 'icons/mob/human_races/r_lizard.dmi'
 	deform = 'icons/mob/human_races/r_def_lizard.dmi'
 	tail = "sogtail"
-	tail_animation = 'icons/mob/species/unathi/tail_m.dmi'
-	tail_animation_add = 'icons/mob/species/unathi/tail_a.dmi'
+	tail_animation = 'icons/mob/species/unathi/tail.dmi'
 	unarmed_types = list(/datum/unarmed_attack/stomp, /datum/unarmed_attack/kick, /datum/unarmed_attack/claws, /datum/unarmed_attack/bite/sharp)
 	primitive_form = "Stok"
 	darksight = 3
@@ -130,12 +128,10 @@
 /datum/species/tajaran
 	name = "Tajara"
 	name_plural = "Tajaran"
-	icobase = 'icons/mob/human_races/r_tajaran_m.dmi'
-	icobase_add = 'icons/mob/human_races/r_tajaran_a.dmi'
+	icobase = 'icons/mob/human_races/r_tajaran.dmi'
 	deform = 'icons/mob/human_races/r_def_tajaran.dmi'
 	tail = "tajtail"
-	tail_animation = 'icons/mob/species/tajaran/tail_m.dmi'
-	tail_animation_add = 'icons/mob/species/tajaran/tail_a.dmi'
+	tail_animation = 'icons/mob/species/tajaran/tail.dmi'
 	unarmed_types = list(/datum/unarmed_attack/stomp, /datum/unarmed_attack/kick, /datum/unarmed_attack/claws, /datum/unarmed_attack/bite/sharp)
 	darksight = 8
 	slowdown = -0.5
@@ -213,8 +209,7 @@
 /datum/species/skrell
 	name = "Skrell"
 	name_plural = "Skrell"
-	icobase = 'icons/mob/human_races/r_skrell_m.dmi'
-	icobase_add = 'icons/mob/human_races/r_skrell_a.dmi'
+	icobase = 'icons/mob/human_races/r_skrell.dmi'
 	deform = 'icons/mob/human_races/r_def_skrell.dmi'
 	primitive_form = "Neaera"
 	unarmed_types = list(/datum/unarmed_attack/punch)
diff --git a/code/modules/mob/living/carbon/human/update_icons.dm b/code/modules/mob/living/carbon/human/update_icons.dm
index a436fad6825..f5c3e71999f 100644
--- a/code/modules/mob/living/carbon/human/update_icons.dm
+++ b/code/modules/mob/living/carbon/human/update_icons.dm
@@ -1133,22 +1133,14 @@ var/global/list/damage_icon_parts = list()
 	if(!tail_icon)
 		//generate a new one
 		var/species_tail_anim = species.get_tail_animation(src)
-		var/species_tail_anim_a = species.get_tail_animation_a(src)
-		if(!species_tail_anim)
-			species_tail_anim = 'icons/effects/species.dmi'
-		if(!species_tail_anim_a)
-			species_tail_anim_a = 'icons/effects/species_a.dmi'
+		if(!species_tail_anim) species_tail_anim = 'icons/effects/species.dmi'
 		tail_icon = new/icon(species_tail_anim)
-		var/tail_icon_a = new/icon(species_tail_anim_a)
-		tail_icon.Blend(rgb(r_skin, g_skin, b_skin), ICON_MULTIPLY)
-		tail_icon.Blend(tail_icon_a, ICON_ADD)
+		tail_icon.Blend(rgb(r_skin, g_skin, b_skin), ICON_ADD)
 		// The following will not work with animated tails.
 		var/use_species_tail = species.get_tail_hair(src)
 		if(use_species_tail)
 			var/icon/hair_icon = icon('icons/effects/species.dmi', "[species.get_tail(src)]_[use_species_tail]")
-			var/icon/hair_icon_a = icon('icons/effects/species_a.dmi', "[species.get_tail(src)]_[use_species_tail]")
-			hair_icon.Blend(rgb(r_hair, g_hair, b_hair), ICON_MULTIPLY)
-			hair_icon.Blend(hair_icon_a, ICON_ADD)
+			hair_icon.Blend(rgb(r_hair, g_hair, b_hair), ICON_ADD)
 			tail_icon.Blend(hair_icon, ICON_OVERLAY)
 		tail_icon_cache[icon_key] = tail_icon
 
diff --git a/code/modules/organs/organ_icon.dm b/code/modules/organs/organ_icon.dm
index 40ab0ab500e..914dc8632e7 100644
--- a/code/modules/organs/organ_icon.dm
+++ b/code/modules/organs/organ_icon.dm
@@ -145,9 +145,7 @@ var/global/list/limb_icon_cache = list()
 				var/cache_key = "[body_hair]-[icon_name]-[h_col[1]][h_col[2]][h_col[3]]"
 				if(!limb_icon_cache[cache_key])
 					var/icon/I = icon(species.get_icobase(owner), "[icon_name]_[body_hair]")
-					var/icon/IA = icon(species.get_icobase_a(owner), "[icon_name]_[body_hair]")
-					I.Blend(rgb(h_col[1],h_col[2],h_col[3]), ICON_MULTIPLY)
-					I.Blend(IA, ICON_ADD)
+					I.Blend(rgb(h_col[1],h_col[2],h_col[3]), ICON_ADD)
 					limb_icon_cache[cache_key] = I
 				mob_icon.Blend(limb_icon_cache[cache_key], ICON_OVERLAY)
 
@@ -163,7 +161,10 @@ var/global/list/limb_icon_cache = list()
 
 	if(nonsolid)
 		applying.MapColors("#4D4D4D","#969696","#1C1C1C", "#000000")
-		applying.SetIntensity(0.7)
+		if(species && species.get_bodytype(owner) != "Human")
+			applying.SetIntensity(1.5) // Unathi, Taj and Skrell have -very- dark base icons.
+		else
+			applying.SetIntensity(0.7)
 
 	else if(status & ORGAN_DEAD)
 		icon_cache_key += "_dead"
@@ -177,12 +178,7 @@ var/global/list/limb_icon_cache = list()
 			applying.Blend(rgb(-s_tone,  -s_tone,  -s_tone), ICON_SUBTRACT)
 		icon_cache_key += "_tone_[s_tone]"
 	else if(s_col && s_col.len >= 3)
-		applying.Blend(rgb(s_col[1], s_col[2], s_col[3]), ICON_MULTIPLY)
-		var/gender = "f"
-		if(owner && owner.gender == MALE)
-			gender = "m"
-		var/icon_a = new /icon(species.get_icobase_a(owner), "[icon_name][gendered_icon ? "_[gender]" : ""]")
-		applying.Blend(icon_a, ICON_ADD)
+		applying.Blend(rgb(s_col[1], s_col[2], s_col[3]), ICON_ADD)
 		icon_cache_key += "_color_[s_col[1]]_[s_col[2]]_[s_col[3]]"
 
 	// Translucency.
diff --git a/icons/effects/species.dmi b/icons/effects/species.dmi
index 5b71d3e1533..fbd952d3333 100644
Binary files a/icons/effects/species.dmi and b/icons/effects/species.dmi differ
diff --git a/icons/effects/species_a.dmi b/icons/effects/species_a.dmi
deleted file mode 100644
index 927ec7c82ec..00000000000
Binary files a/icons/effects/species_a.dmi and /dev/null differ
diff --git a/icons/mob/human_races/r_def_lizard.dmi b/icons/mob/human_races/r_def_lizard.dmi
index 3ebace3090f..6c1f4d94fcf 100644
Binary files a/icons/mob/human_races/r_def_lizard.dmi and b/icons/mob/human_races/r_def_lizard.dmi differ
diff --git a/icons/mob/human_races/r_def_skrell.dmi b/icons/mob/human_races/r_def_skrell.dmi
index 3e6a40f3aeb..7b24ba3b4df 100644
Binary files a/icons/mob/human_races/r_def_skrell.dmi and b/icons/mob/human_races/r_def_skrell.dmi differ
diff --git a/icons/mob/human_races/r_def_tajaran.dmi b/icons/mob/human_races/r_def_tajaran.dmi
index 64b1a2d30d1..44cda2ea863 100644
Binary files a/icons/mob/human_races/r_def_tajaran.dmi and b/icons/mob/human_races/r_def_tajaran.dmi differ
diff --git a/icons/mob/human_races/r_lizard_a.dmi b/icons/mob/human_races/r_lizard_a.dmi
deleted file mode 100644
index 94dfe1ed323..00000000000
Binary files a/icons/mob/human_races/r_lizard_a.dmi and /dev/null differ
diff --git a/icons/mob/human_races/r_lizard_m.dmi b/icons/mob/human_races/r_lizard_m.dmi
deleted file mode 100644
index ee4fd419953..00000000000
Binary files a/icons/mob/human_races/r_lizard_m.dmi and /dev/null differ
diff --git a/icons/mob/human_races/r_seromi_a.dmi b/icons/mob/human_races/r_seromi_a.dmi
deleted file mode 100644
index 24d49ef1eb5..00000000000
Binary files a/icons/mob/human_races/r_seromi_a.dmi and /dev/null differ
diff --git a/icons/mob/human_races/r_seromi_m.dmi b/icons/mob/human_races/r_seromi_m.dmi
deleted file mode 100644
index 9864106bd42..00000000000
Binary files a/icons/mob/human_races/r_seromi_m.dmi and /dev/null differ
diff --git a/icons/mob/human_races/r_skrell_a.dmi b/icons/mob/human_races/r_skrell_a.dmi
deleted file mode 100644
index 7da571bf1ef..00000000000
Binary files a/icons/mob/human_races/r_skrell_a.dmi and /dev/null differ
diff --git a/icons/mob/human_races/r_skrell_m.dmi b/icons/mob/human_races/r_skrell_m.dmi
deleted file mode 100644
index 224fb25eae9..00000000000
Binary files a/icons/mob/human_races/r_skrell_m.dmi and /dev/null differ
diff --git a/icons/mob/human_races/r_tajaran_a.dmi b/icons/mob/human_races/r_tajaran_a.dmi
deleted file mode 100644
index d70bb0b7150..00000000000
Binary files a/icons/mob/human_races/r_tajaran_a.dmi and /dev/null differ
diff --git a/icons/mob/human_races/r_tajaran_m.dmi b/icons/mob/human_races/r_tajaran_m.dmi
deleted file mode 100644
index 29f6b04e397..00000000000
Binary files a/icons/mob/human_races/r_tajaran_m.dmi and /dev/null differ
diff --git a/icons/mob/species/tajaran/tail_a.dmi b/icons/mob/species/tajaran/tail_a.dmi
deleted file mode 100644
index 1a4245611b4..00000000000
Binary files a/icons/mob/species/tajaran/tail_a.dmi and /dev/null differ
diff --git a/icons/mob/species/tajaran/tail_m.dmi b/icons/mob/species/tajaran/tail_m.dmi
deleted file mode 100644
index 159ca49b324..00000000000
Binary files a/icons/mob/species/tajaran/tail_m.dmi and /dev/null differ
diff --git a/icons/mob/species/unathi/tail_a.dmi b/icons/mob/species/unathi/tail_a.dmi
deleted file mode 100644
index cf3e861a5df..00000000000
Binary files a/icons/mob/species/unathi/tail_a.dmi and /dev/null differ
diff --git a/icons/mob/species/unathi/tail_m.dmi b/icons/mob/species/unathi/tail_m.dmi
deleted file mode 100644
index b944c3e37b3..00000000000
Binary files a/icons/mob/species/unathi/tail_m.dmi and /dev/null differ