Species Guide

Every coral and fish in Reef Bloom, organized by biome.

Coral Reef — Coral Species

Coral is the foundation of your reef. Each species generates Bubble Energy passively and contributes to your reef's Harmony score. Tall coral blocks Layer A fish movement, so plan placement carefully.

Species	Tier	Unlock	Tall	Notes
Starter Coral	Common	Lv 1	No	Your first coral. Cheap and reliable BE source.
Firetip Coral	Uncommon	Lv 2	Yes	Orange-tipped coral. Blocks Layer A fish.
Ghost Coral	Uncommon	Lv 2	No	Pale white coral. Subtle and elegant.
Staghorn Coral	Rare	Lv 3	Yes	Acropora cervicornis — branching cyan coral.
Finger Coral	Rare	Lv 3	Yes	Porites compressa — purple finger-like branches.
Brain Coral	Rare	Lv 3	No	Platygyra spp. — round, orange with maze-like ridges.
Lettuce Coral	Rare	Lv 3	No	Agaricia spp. — flat green plates.
Star Coral	Rare	Lv 3	No	Orbicella spp. — golden dome-shaped coral.
Bubble Coral	Super Rare	Lv 5	No	Physogyra lichtensteini — inflated bubble-like polyps.
Candy Cane Coral	Super Rare	Lv 5	Yes	Caulastrea furcata — pink striped stalks.
Toadstool Leather	Super Rare	Lv 5	No	Sarcophyton spp. — soft green leather coral.
Elkhorn Coral	Epic	Lv 7	Yes	Acropora palmata — massive branching. Blocks Layer B fish.
Pillar Coral	Epic	Lv 7	Yes	Dendrogyra cylindrus — tall golden pillars. Blocks Layer B fish.
Table Coral	Legendary	Lv 10	No	Costs Pearls. Wide flat table shape. Blocks Layer B fish.
Rainbow Coral	Mythic	Lv 12	No	Costs Pearls. Shifts through vibrant colors.
Sunfire Coral	Mythic	Lv 12	Yes	Costs Pearls. Glowing orange. Blocks Layer B fish.

Coral Reef — Fish Species

Fish swim autonomously using boids-style flocking AI. Layer A fish are small and avoid all tall coral. Layer B fish are larger and only avoid coral marked as "blocksB" (Elkhorn, Pillar, Table, Sunfire).

Species	Tier	Unlock	Layer	Notes
Blue Chromis	Common	Lv 1	A	Small, fast blue schooling fish.
Green Chromis	Common	Lv 1	A	Chromis viridis — green schooling fish.
Neon Goby	Common	Lv 1	A	Elacatinus oceanops — tiny dark fish with neon stripe.
Firefish	Common	Lv 1	A	Nemateleotris magnifica — pale body, fiery red tail.
Zebra Goby	Uncommon	Lv 2	A	Yellow with dark banding.
Cardinalfish	Uncommon	Lv 2	A	Pinkish-red, slow-moving.
Damselfish	Common	Lv 2	A	Pomacentridae spp. — bold blue territorial fish.
Clownfish	Rare	Lv 3	A	Amphiprion ocellaris — iconic orange with white bands.
Yellow Tang	Rare	Lv 3	B	Zebrasoma flavescens — dual-biome (Coral + Seagrass).
Blue Tang	Rare	Lv 3	B	Deep blue — dual-biome (Coral + Seagrass).
Royal Gramma	Rare	Lv 3	A	Gramma loreto — purple and yellow bicolor.
Octopus	Rare	Lv 4	B	Octopus vulgaris — slow, intelligent-looking cephalopod.
Pajama Cardinalfish	Rare	Lv 4	A	Sphaeramia nematoptera — white with red spots.
Moorish Idol	Super Rare	Lv 5	B	Zanclus cornutus — elegant black-and-white with yellow.
Butterflyfish	Super Rare	Lv 5	A	Chaetodon spp. — white and gold disc-shaped.
Zebrafish	Super Rare	Lv 5	A	Danio rerio — fast white-and-navy stripes.
Seahorse	Super Rare	Lv 5	A	Hippocampus spp. — the slowest fish in the game.
Shrimp Goby	Super Rare	Lv 5	A	Amblyeleotris spp. — pale orange, small.
Banggai Cardinalfish	Super Rare	Lv 5	A	Pterapogon kauderni — striking black-and-white pattern.
Cleaner Wrasse	Super Rare	Lv 6	A	Labroides dimidiatus — blue with yellow accents.
Cuttlefish	Epic	Lv 7	B	Sepia spp. — large purple cephalopod.
Moray Eel	Epic	Lv 7	B	Gymnothorax spp. — long brown serpentine swimmer.
Flame Angelfish	Epic	Lv 7	B	Centropyge loricula — vivid red-orange.
Mandarinfish	Epic	Lv 8	A	Synchiropus splendidus — psychedelic blue-orange patterns.
Harlequin Tuskfish	Epic	Lv 8	B	Choerodon fasciatus — blue with orange stripes.
Dolphin	Legendary	Lv 10	B	Tursiops truncatus — the largest and fastest reef visitor.
Blue Ribbon Eel	Legendary	Lv 10	B	Rhinomuraena quaesita — long blue eel with yellow accents.
Reef Shark	Mythic	Lv 12	B	Carcharhinus amblyrhynchos — the apex of your reef.
Napoleon Wrasse	Mythic	Lv 13	B	Cheilinus undulatus — huge indigo wrasse.
Giant Moray	Mythic	Lv 14	B	Gymnothorax javanicus — the largest eel in the game.

Seagrass Basin — Vegetation

The Seagrass Basin biome features underwater vegetation instead of traditional coral. These plants function the same as coral for BE generation but create a completely different visual atmosphere.

Species	Tier	Unlock	Tall	Notes
Barnacles	Common	Lv 1	No	Rocky grey clusters. Cheap BE source.
Seaweed	Uncommon	Lv 1	No	Ulva sp. — bright green sheets.
Red Seagrass	Uncommon	Lv 2	No	Halymenia sp. — deep red fronds.
Seagrass	Rare	Lv 3	No	Halophila sp. — the biome's namesake. Ripples when grazed.
Giant Kelp	Super Rare	Lv 5	Yes	Macrocystis pyrifera — tall, blocks Layer B. Impressive visuals.

Seagrass Basin — Fish & Grazers

Grazers are unique to the Seagrass Basin. They generate bonus BE while feeding on seagrass patches, making them a source of passive income beyond coral. Dual-biome fish (Yellow Tang, Blue Tang) travel between Coral Reef and Seagrass automatically.

Species	Tier	Unlock	Type	Notes
Pipefish	Common	Lv 1	Grazer	Syngnathus spp. — long, thin, slow green fish.
Sand Dollar	Uncommon	Lv 2	Grazer	Echinarachnius parma — nearly stationary bottom feeder.
Horseshoe Crab	Rare	Lv 3	Benthic	Limulus polyphemus — armored bottom crawler.
Queen Conch	Rare	Lv 4	Grazer	Aliger gigas — large slow-moving shell.
Pufferfish	Super Rare	Lv 5	Grazer	Tetraodontidae spp. — round, spiny, and charming.
Spotted Eagle Ray	Epic	Lv 7	Fish	Aetobatus narinari — wide dark ray with white spots.

Deep Twilight — Coral

The Deep Twilight biome features bioluminescent coral that glows softly in deep water. These species create an otherworldly atmosphere and tend to unlock at higher levels.

Species	Tier	Unlock	Tall	Notes
Twilight Brain Coral	Rare	Lv 6	No	Glowing cyan brain coral for the deep.
Phantom Polyp	Super Rare	Lv 8	Yes	Tall, purple, bioluminescent.
Midnight Table Coral	Legendary	Lv 12	No	Costs Pearls. Blue glowing table. Blocks Layer B.

Event-Exclusive Species

Some species are only available during limited-time seasonal events. These cannot be obtained outside their event period, making them the rarest additions to your reef.

Species	Tier	Type	Event	Notes
Pearl Organ Pipe	Legendary	Coral	Pearl Tide 2026	Tubipora musica (pearl form) — tall, pearlescent white organ pipe coral. Event pass exclusive.

New species are added regularly through updates and seasonal events. Check the Game Guide for tips on building your reef, or jump in and start discovering species yourself.

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