Species
Browsing 785 species. Use the filters below to narrow down.
Long-Spined Urchin
InvertDiadema setosum
A reef-grazing urchin with impressively long spines and a sharp sense of self-defense.
Longspine seahorse
FishHippocampus histrix
A thorny Indo-Pacific seahorse with dramatic spines and a delicate nature.
Lubbock's Wrasse
FishCirrhilabrus lubbocki
A social, zooplankton-hunting wrasse that thrives in lively reef communities.
Lyretail Angelfish
FishGenicanthus caudovittatus
A rare peaceful angelfish with dramatic lyre-shaped tail fins and true sexual dimorphism.
Lyretail anthias
FishPseudanthias squamipinnis
Schooling reef anthias that shifts from female orange to vivid male purple.
maculated top shell
InvertTrochus maculatus
A hardworking grazer that keeps algae in check without drama.
Magenta Dottyback
FishPictichromis porphyrea
A bold little reef fish that punches well above its weight in personality.
Marbled Goby
FishPomatoschistus marmoratus
A cryptic little sand-dweller from Europe's coasts, full of quiet personality.
Marine Betta
FishCalloplesiops altivelis
A cave-dwelling mimic that fools predators by impersonating a moray eel.
Maroon Clownfish
FishAmphiprion tricinctus
Three bold white bars on deep orange. The Marshall Islands' own anemonefish.
Maroon Clownfish
FishPremnas biaculeatus
The boldest clownfish in the hobby, and it knows it.
Masked Angelfish
FishGenicanthus personatus
A rare Hawaiian endemic that's one of the most coveted angels in the hobby.
Masked Puffer
FishArothron diadematus
A bold Red Sea puffer with a dramatic masked face and serious bite.
Massive Starlet Coral
CoralSiderastrea siderea
A boulder-forming reef coral that builds colonies wider than you are tall.
Maze Coral
CoralMeandrina jacksoni
A rare Atlantic maze coral with a very limited Caribbean range.
Mekong Puffer
FishTetraodon suvattii
A bottom-hugging Mekong puffer that buries itself in river mud.
Merten's Butterflyfish
FishChaetodon mertensii
A reef-associated butterflyfish that pairs up and patrols the deeper reef edges.
Merulina Coral
CoralBoninastrea boninensis
A rare Pacific brain coral with deeply twisted valleys and a compact form.
Meteor Basslet
FishLiopropoma susumi
A secretive reef cave-dweller with bold pinstripes and peaceful manners.
Mexican Barnacle Blenny
FishAcanthemblemaria macrospilus
A pint-sized reef blenny that claims abandoned barnacle shells as its castle.
Mexican Jawfish
FishOpistognathus mexicanus
A burrowing Mexican charmer that watches the world from its self-made home.
Midas Blenny
FishEcsenius midas
A reef blenny that mimics anthias in color, movement, and social behavior.
Milkspotted Puffer
FishChelonodon patoca
A schooling puffer from mangrove estuaries that gets surprisingly large.
Mimic Surgeonfish
FishAcanthurus pyroferus
A juvenile master of disguise that grows into a bold reef grazer.
Mirror Basslet
FishPseudanthias pleurotaenia
A rare, large anthias that demands respect, and space, in the reef tank.
Moon Jellyfish
InvertAurelia aurita
striking open-water drifter that needs its own specialized kreisel tank.
Mound Coral
CoralPorites lutea
A slow-growing mound coral that builds reef foundations over decades.
Mountainous Star Coral
CoralOrbicella annularis
A reef-building powerhouse that forms the backbone of Caribbean coral ecosystems.
Moustache Jawfish
FishOpistognathus lonchurus
A bold little burrower with a face full of personality.
Multibar Angelfish
FishCentropyge multifasciata
A deep-dwelling pygmy angel that rarely makes it into the hobby.
Multicolor angelfish
FishCentropyge multicolor
A deep-reef dweller with bold coloring that rarely makes it to store shelves.
Multicolour Dottyback
FishOgilbyina novaehollandiae
A vivid reef dweller from the Great Barrier Reef with a bold dual-tone look.
Mustard Hill Coral
CoralPorites astreoides
A tough Western Atlantic reef builder that keeps its polyps out around the clock.
Mustard Tang
FishAcanthurus guttatus
A surge-zone schooler that thrives where the waves crash hardest.
Mystery Wrasse
FishPseudocheilinus ocellatus
A secretive reef wrasse with bold colors and a talent for disappearing.
Narrow-bellied Seahorse
FishHippocampus angustus
A spiny Western Australian seahorse with a distinctively slender profile.