Reef Tank Invertebrates
105 invertebrates with full care guides. Care level, reef safety, tank size, diet, water parameters, and keeper notes for every species. Tap any card for the complete guide.
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All invertebrates (105)
Acropora Crab
Hoplophrys oatesii
Reef Safe with Caution
Amphipods
Gammarus sp.
Reef Safe
Anemone Crab
Neopetrolisthes ohshimai
Reef Safe
Arrow Crab
Stenorhynchus seticornis
Reef Safe with Caution
Astrea Snail
Lithopoma americanum
Reef Safe
Barnacle
Cirripedia sp.
Reef Safe
Berghia Nudibranch
Berghia stephanieae
Reef Safe
Blood Red Fire Shrimp
Lysmata debelius
Reef Safe
Blue Ball Sponge
Cinachyra alloclada
Reef Safe
Blue Leg Hermit Crab
Clibanarius tricolor
Reef Safe
Blue Tunicate
Rhopalaea birkelandi
Reef Safe
Blue Velvet Sea Slug
Chelidonura varians
Reef Safe with Caution
Boxing Shrimp
Stenopus hispidus
Reef Safe with Caution
Branching Bryozoan
Bryozoa sp.
Reef Safe
Bubble Tip Anemone
Entacmaea quadricolor
Reef Safe with Caution
Bumblebee Snail
Engina mendicaria
Reef Safe
Camel Shrimp
Rhynchocinetes durbanensis
Reef Safe
Candy Cane Coral Crab
Trapezia sp.
Reef Safe with Caution
Carpet Anemone
Stichodactyla gigantea
Reef Safe with Caution
Cerith Snail
Cerithium litteratum
Reef Safe
Chiton
Polyplacophora sp.
Reef Safe
Chocolate Chip Starfish
Protoreaster nodosus
Not Reef Safe
Christmas Tree Worm
Spirobranchus giganteus
Reef Safe
Chromodoris Nudibranch
Chromodoris magnifica
Reef Safe
Cleaner Shrimp
Lysmata amboinensis
Reef Safe
Coco Worm
Protula bispiralis
Reef Safe
Colonial Tunicate
Ascidiacea sp.
Reef Safe
Common Brittle Star
Ophiothrix fragilis
Reef Safe
Cowrie
Cypraea sp.
Reef Safe
Crocea Clam
Tridacna crocea
Reef Safe
Cryptic Sponge
Porifera sp.
Reef Safe
Decorator Crab
Camposcia retusa
Reef Safe with Caution
Derasa Clam
Tridacna derasa
Reef Safe
Electric Orange Hermit Crab
Calcinus elegans
Reef Safe
Emerald Crab
Mithraculus sculptus
Reef Safe
Encrusting Bryozoan
Bryozoa sp.
Reef Safe
Encrusting Sponge
Porifera sp.
Reef Safe
Feather Duster Worm
Sabellastarte sp.
Reef Safe
Feather Star
Crinoidea sp.
Reef Safe
Fighting Conch Snail
Strombus alatus
Reef Safe
Fire Shrimp
Lysmata debelius
Reef Safe with Caution
Flame Scallop
Ctenoides ales
Reef Safe
Fromia Starfish
Fromia monilis
Reef Safe
Golden Sea Cucumber
Holothuria hilla
Reef Safe with Caution
Gorilla Crab
Perinon planissimum
Not Reef Safe
Green Brittle Star
Ophiarachna incrassata
Not Reef Safe
Halloween Hermit Crab
Dardanus guttatus
Reef Safe with Caution
Harlequin Shrimp
Hymenocera picta
Not Reef Safe
Harlequin Star Serpent
Ophioderma rubicundum
Reef Safe
Isopods
Cirolana sp.
Reef Safe with Caution
Lettuce Sea Slug
Elysia crispata
Reef Safe
Limpet
Patellogastropoda sp.
Reef Safe
Linkia Starfish
Linkia multifora
Not Reef Safe
Long Tentacle Anemone
Macrodactyla doreensis
Reef Safe with Caution
Long-Spined Urchin
Diadema setosum
Reef Safe with Caution
Magnificent Anemone
Heteractis magnifica
Reef Safe with Caution
Mantis Shrimp (Peacock)
Odontodactylus scyllarus
Not Reef Safe
Maxima Clam
Tridacna maxima
Reef Safe
Mini Brittle Starfish
Ophiactis savignyi
Reef Safe
Mussel
Modiolus modiolus
Reef Safe
Mysid Shrimp
Mysidopsis bahia
Reef Safe
Nassarius Snail
Nassarius distortus
Reef Safe
Nerite Snail
Nerita sp.
Reef Safe
Octopus
Octopus sp.
Not Reef Safe
Orange Ball Sponge
Cinachyra kuekenthali
Reef Safe
Orange Tunicate
Rhopalaea crassa
Reef Safe
Oyster
Spondylus varius
Reef Safe
Peppermint Shrimp
Lysmata wurdemanni
Reef Safe
Photosynthetic Sponge
Collospongia auris
Reef Safe
Pincushion Urchin
Lytechinus variegatus
Reef Safe with Caution
Pink and Black Sea Cucumber
Holothuria edulis
Reef Safe
Pistol Shrimp
Alpheus sp.
Reef Safe with Caution
Pom-Pom Crab
Lybia tessellata
Reef Safe
Porcelain Crab
Neopetrolisthes maculatus
Reef Safe with Caution
Red Mesh Starfish
Fromia milleporella
Reef Safe
Red Tip Hermit Crab
Paguristes cadenati red
Reef Safe
Red Tree Sponge
Ptilocaulis walpersi
Reef Safe
Red Tunicate
Rhopalaea neapolitana
Reef Safe
Red-Spotted Guard Crab
Trapezia tigrina
Reef Safe with Caution
Reef Copepods
Tigriopus californicus
Reef Safe
Reef Lobster
Enoplometopus sp.
Not Reef Safe
Rock Flower Anemone
Phymanthus crucifer
Reef Safe with Caution
Rock-Boring Urchin
Echinometra lucunter
Reef Safe with Caution
Sally Lightfoot Crab
Percnon gibbesi
Not Reef Safe
Sand Sifting Starfish
Astropecten polycanthus
Reef Safe
Scarlet Reef Hermit Crab
Paguristes cadenati
Reef Safe
Sea Apple
Pseudocolochirus violaceus
Not Reef Safe
Sea Hare
Aplysia dactylomela
Reef Safe
Sea Squirt
Polycarpa aurata
Reef Safe
Sebae Anemone
Heteractis crispa
Reef Safe with Caution
Seed Shrimp
Ostracoda sp.
Reef Safe
Sexy Shrimp
Thor amboinensis
Reef Safe
Short-Spined Urchin
Echinometra mathaei
Reef Safe with Caution
Spanish Dancer
Hexabranchus sanguineus
Not Reef Safe
Stomatella Snail
Stomatella sp.
Reef Safe
Tiger Conch Snail
Strombus luhuanus
Reef Safe
Tiger Striped Serpent Star
Ophiocoma erinaceus
Not Reef Safe
Tiger Tail Sea Cucumber
Holothuria thomasi
Reef Safe
Trochus Snail
Trochus histrio
Reef Safe
Tube Anemone
Cerianthus membranaceus
Reef Safe with Caution
Tube Worm
Serpulidae sp.
Reef Safe
Turbo Snail
Turbo fluctuosa
Reef Safe
Tuxedo Urchin
Mespilia globulus
Reef Safe
Yellow Tunicate
Rhopalaea abdominalis
Reef Safe
Zebra Dorid Nudibranch
Hypselodoris zebra
Reef Safe
Track invertebrates in your reef tank
Reef Trak includes the full invertebrates catalog in the app, plus per-species records for everything you keep — acquisition date, source, photos, and links to your maintenance and feeding history.