diff --git a/website/common/locales/en/achievements.json b/website/common/locales/en/achievements.json
index 7e4aba8355..c23f622fd0 100644
--- a/website/common/locales/en/achievements.json
+++ b/website/common/locales/en/achievements.json
@@ -150,5 +150,8 @@
   "achievementPlantParentModalText": "You collected all the Plant Pets!",
   "achievementDinosaurDynasty": "Dinosaur Dynasty",
   "achievementDinosaurDynastyText": "Has hatched all standard colors of bird and dinosaur pets: Falcon, Owl, Parrot, Peacock, Penguin, Rooster, Pterodactyl, T-Rex, Triceratops, and Velociraptor!",
-  "achievementDinosaurDynastyModalText": "You collected all the bird and dinosaur pets!"
+  "achievementDinosaurDynastyModalText": "You collected all the bird and dinosaur pets!",
+  "achievementBonelessBoss": "Boneless Boss",
+  "achievementBonelessBossText": "Has hatched all standard colors of invertebrate pets: Beetle, Butterfly, Cuttlefish, Nudibranch, Octopus, Snail, and Spider!",
+  "achievementBonelessBossModalText": "You collected all the invertebrate pets!"
 }
diff --git a/website/common/script/content/achievements.js b/website/common/script/content/achievements.js
index a7e843d23d..bd2816168a 100644
--- a/website/common/script/content/achievements.js
+++ b/website/common/script/content/achievements.js
@@ -178,6 +178,11 @@ const animalSetAchievs = {
     titleKey: 'achievementBirdsOfAFeather',
     textKey: 'achievementBirdsOfAFeatherText',
   },
+  bonelessBoss: {
+    icon: 'achievement-bonelessBoss',
+    titleKey: 'achievementBonelessBoss',
+    textKey: 'achievementBonelessBossText',
+  },
   dinosaurDynasty: {
     icon: 'achievement-dinosaurDynasty',
     titleKey: 'achievementDinosaurDynasty',
diff --git a/website/common/script/content/constants/animalSetAchievements.js b/website/common/script/content/constants/animalSetAchievements.js
index dc49609d12..a3b117c0db 100644
--- a/website/common/script/content/constants/animalSetAchievements.js
+++ b/website/common/script/content/constants/animalSetAchievements.js
@@ -26,6 +26,20 @@ const ANIMAL_SET_ACHIEVEMENTS = {
     achievementKey: 'birdsOfAFeather',
     notificationType: 'ACHIEVEMENT_ANIMAL_SET',
   },
+  bonelessBoss: {
+    type: 'pet',
+    species: [
+      'Beetle',
+      'Butterfly',
+      'Cuttlefish',
+      'Nudibranch',
+      'Octopus',
+      'Snail',
+      'Spider',
+    ],
+    achievementKey: 'bonelessBoss',
+    notificationType: 'ACHIEVEMENT_ANIMAL_SET',
+  },
   dinosaurDynasty: {
     type: 'pet',
     species: [
diff --git a/website/common/script/libs/achievements.js b/website/common/script/libs/achievements.js
index d54469bead..9847f0c160 100644
--- a/website/common/script/libs/achievements.js
+++ b/website/common/script/libs/achievements.js
@@ -222,6 +222,7 @@ function _getBasicAchievements (user, language) {
   _addSimple(result, user, { path: 'polarPro', language });
   _addSimple(result, user, { path: 'plantParent', language });
   _addSimple(result, user, { path: 'dinosaurDynasty', language });
+  _addSimple(result, user, { path: 'bonelessBoss', language });
 
   _addSimpleWithMasterCount(result, user, { path: 'beastMaster', language });
   _addSimpleWithMasterCount(result, user, { path: 'mountMaster', language });
diff --git a/website/server/models/user/schema.js b/website/server/models/user/schema.js
index 394f34695a..5bc38ff769 100644
--- a/website/server/models/user/schema.js
+++ b/website/server/models/user/schema.js
@@ -155,6 +155,7 @@ export default new Schema({
     polarPro: Boolean,
     plantParent: Boolean,
     dinosaurDynasty: Boolean,
+    bonelessBoss: Boolean,
     // Onboarding Guide
     createdTask: Boolean,
     completedTask: Boolean,