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Discovery stream
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Live Food Culturing
Live Food Culturing Overview This is the canonical Reefapedia landing article for Live Food Culturing in the livestock taxonomy. Taxonomy Context Category path: livestock/algae/pods-and-phyto/live-food-culturing....
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Ulva (Sea Lettuce)
Ulva (Sea Lettuce) is a fast-growing macroalgae used primarily for nutrient export and food web support. It thrives with moderate–high light, moderate flow, and...
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Other Macroalgae
Other Macroalgae Overview This is the canonical Reefapedia landing article for Other Macroalgae in the livestock taxonomy. Taxonomy Context Category path: livestock/algae/macro-algae/other-macroalgae. Breadcrumb: Livestock...
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Dragon’s Tongue (Halymenia)
Dragon’s Tongue (Halymenia) is a display-friendly macroalgae that offers light nutrient export without aggressive growth. It does best in stable systems with moderate–high light,...
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Chaeto (Chaetomorpha)
Chaeto (Chaetomorpha) is a utility macroalgae used almost exclusively for nutrient export and pod habitat in refugiums. It needs strong, consistent light, good flow,...
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Caulerpa
Fast-growing macroalgae with grape-like fronds — popular in refugiums, but runners and fragments can escape and overrun display rockwork if not contained early.
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Coralline Algae
Purple-pink crust on rock and glass—nature’s seal of stability and a gorgeous backdrop.
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Bubble Coral (Plerogyra sinuosa)
Bubble corals are unique LPS corals with inflated “bubble” polyps that thrive in stable tanks with low–moderate light and gentle indirect flow, plus extra...
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Acropora Red Bugs (Tegastes acroporanus)
Acropora red bugs are tiny parasitic copepods that reduce polyp extension and slow SPS growth, usually spreading through new Acropora frags.
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Montipora-Eating Nudibranch (Phestilla subodiosus)
Montipora-eating nudibranchs are camouflaged coral predators that chew Montis and lay eggs, causing “nibbled” edges and slow tissue loss.
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Acropora-Eating Flatworm (AEFW) (Amakusaplana acroporae)
AEFW are Acropora-specific coral predators that cause bite marks, poor polyp extension, and slow SPS decline, with eggs that make them hard to eliminate.
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Coral-Boring Spionid Worms (Spionidae spp.)
Spionid worms can live in coral skeleton and irritate tissue with paired feeding filaments, sometimes causing localized recession.
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Ball Anemone
Ball anemones are hardy corallimorph hitchhikers that hide in shaded crevices and feed like tiny ambush predators. They can sting nearby corals and irritate...
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Gorilla Crabs
Gorilla/xanthid crabs are common hitchhikers that can become predators in reef tanks, often causing mystery snail and hermit losses. Because many are nocturnal and...
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Acropora Red Bugs (Tegastes acroporanus)
Acropora red bugs are tiny parasitic copepods that irritate Acropora, causing reduced polyp extension, dull color, and slowed growth. They spread easily via new...
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Mantis Shrimp (Stomatopoda)
Mantis shrimp are predatory hitchhikers that often reveal themselves through clicking sounds and disappearing snails or hermits. They’re fascinating animals, but not reef-safe in...
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Montipora-Eating Nudibranch (Phestilla subodiosus)
Montipora-eating nudibranchs are tiny coral predators that chew Montipora tissue, causing “nibbled” edges and scraped white bite patches. They hide on undersides and lay...
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Acropora-Eating Flatworm
AEFW are Acropora-specific flatworms that eat coral tissue, causing bite marks, poor polyp extension, and slow SPS decline. They spread mainly through unvetted Acropora...
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Majano Anemone
Majano anemones are pest hitchhikers that can sting corals and spread quickly in reef tanks. Remove or control them early—once established, they’re difficult to...
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Torch Coral
Torch corals are high-impact LPS corals with long flowing tentacles that thrive in stable tanks with moderate light, gentle indirect flow, and lots of...
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Elegance Coral
Elegance corals are large, fleshy LPS showpieces with long flowing tentacles that thrive in stable tanks with moderate light, gentle flow, and careful placement—plus...
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Mushroom Corals
Mushroom corals are hardy, low-light soft corals that thrive in gentle flow and stable tanks, but they can move, spread, and outcompete neighbors by...
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Duncan Coral
Duncan corals are hardy, beginner-friendly LPS corals with big flowing polyps and a strong feeding response, thriving in stable tanks with low–moderate light and...
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Candy Cane Coral
Candy cane corals are hardy, beginner-friendly LPS corals with puffy round heads that thrive in stable tanks with low–moderate light, gentle flow, and optional...
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Montipora Cap (Montipora capricornis)
Montipora capricornis is a beginner-friendly plating SPS coral that grows into dramatic shelves and scrolls under stable reef chemistry, moderate–high light, and strong turbulent...
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Sebae Anemone
Sebae anemones can be great host anemones in stable, mature reefs, but many are sold stressed or bleached. Give them moderate–high light, gentle flow,...
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Carpet Anemone (Gigantea)
Gigantea carpet anemones are stunning but advanced anemones that need a large, mature, oxygen-rich tank with strong broad flow and stable parameters. They’re powerful...
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Carpet Anemone (Haddoni)
Haddoni carpet anemones are stunning sandbed centerpieces that need a large, mature, stable tank with a deep substrate, strong lighting, and gentle flow. They’re...
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Maxi-Mini Carpet Anemone
Maxi-mini carpet anemones are hardy, colorful anemones that like a sandy nook, moderate–high light, gentle flow, and regular meaty feedings. They’re extremely sticky and...
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Rock Flower Anemone
Rock Flower Anemones are colorful, mostly stay-put anemones that do best in stable tanks with gentle flow, low–moderate light, and regular small meaty feedings....
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Condylactis Anemone
Condylactis (Condy) anemones are hardy, bold centerpiece anemones that need a stable, mature reef with moderate–high light and gentle flow. They wander and sting,...
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Bubble Tip Anemone
Bubble Tip Anemones are rewarding centerpiece anemones that thrive in mature, stable reef tanks with strong, consistent lighting and moderate indirect flow. They can...
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Phytoplankton
Phytoplankton isn’t livestock—it’s food web support. Its main value is feeding pods and filter feeders and strengthening the base of the reef ecosystem. When...
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Amphipods
Amphipods are beneficial micro-crustaceans that support reef stability by recycling waste and serving as natural live food for fish. They thrive in tanks with...
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Copepods
Copepods are foundational micro-crustaceans that support biodiversity and provide natural live food in reef tanks. They thrive in stable systems with structure, food, and...
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Gracilaria
Gracilaria is a reef-friendly macroalgae that provides steady nutrient export, pod habitat, and natural food for herbivores without becoming invasive. It grows best with...
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Asterina Starfish
Asterina starfish are common hitchhikers that usually act as harmless algae and biofilm grazers. In balanced tanks they stay in low numbers and do...
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Fromia Starfish
Fromia starfish are beautiful but demanding invertebrates that rely on mature reef surfaces for food. They require large, well-established tanks with abundant biofilm and...
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Sand-Sifting Starfish
Sand-sifting starfish clean sand by consuming the life within it, which makes them one of the most common slow-failure inverts in reef tanks. While...
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Serpent Star
Serpent stars are hardy, reef-safe scavengers that live in rockwork and clean up leftover food before it becomes a nutrient issue. They’re mostly nocturnal...
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Brittle Star
Brittle stars are reef-safe scavengers that live in rockwork and help clean up leftover food before it becomes a nutrient problem. They’re mostly hidden...
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Squamosa Clam
Squamosa clams are one of the more forgiving giant clams, but they still require a stable, mature reef with consistent lighting and chemistry. They...
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Crocea Clam
Crocea clams are high-light, rock-dwelling giant clams that demand stable chemistry and strong, consistent lighting. They’re sensitive to alkalinity swings, poor placement, and system...
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Maxima Clam
Maxima clams are high-light, light-driven clams that do best in mature, stable reef systems. They need strong, consistent lighting, steady alkalinity and calcium, and...
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Derasa Clam
Derasa clams are one of the more forgiving giant clams, but they still require a stable, mature reef with consistent lighting and chemistry. They...
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Collector Urchin
Collector urchins are effective algae grazers with a lot of personality, but they’re mechanically disruptive by nature. They’re reef safe biologically, yet will pick...
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Pencil Urchin
Pencil urchins are strong, opportunistic algae grazers that work best in rugged, well-secured systems. They’re reef safe with caution, not because they eat corals,...
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Longspine Urchin
Longspine urchins are powerful algae grazers best suited for large, well-secured reef tanks. They’re reef safe biologically, but their size, spines, and strength make...
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Tuxedo Urchin
Tuxedo urchins are small, reef-friendly algae grazers that excel at controlling film algae and biofilm in mixed reefs. They’re generally gentle, but will move...
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Pincushion Urchin
Pincushion urchins are small, reef-friendly algae grazers that work well in mixed reefs when given enough food. They’re generally gentle but can knock over...
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Anemone Crab
Anemone crabs are specialized, symbiotic crabs that depend on a healthy host anemone to thrive. They do best in stable, established tanks where food...
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Emerald Crab
Emerald crabs are opportunistic algae grazers that can be very effective when algae is present, especially bubble algae. They’re reef safe with conditions, but...
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Porcelain Crab
Porcelain crabs are peaceful filter feeders that rely on moderate flow and suspended food rather than scavenging. They do best in established reefs with...
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Blue-Leg Hermit Crab
Blue-leg hermits are active, hardy scavengers that help with algae and leftover food, but they’re more aggressive than scarlet hermits. Their biggest downside is...
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Scarlet Hermit Crab
Scarlet hermit crabs are one of the most reef-friendly hermits available, known for grazing algae and biofilm without causing much trouble. They do best...
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Astraea Snail
Astraea snails are reef-safe algae grazers that clean film algae and biofilm from rock and glass. Their main downside is that many can’t flip...
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Cerith Snail
Cerith snails are versatile, reef-safe grazers that work across rock, glass, and sandbed edges, making them one of the most useful cleanup crew snails...
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Turbo Snail
Turbo snails are powerful algae grazers best used as a targeted response when algae needs to be knocked back quickly. They’re reef safe biologically,...
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Nassarius Snail
Nassarius snails are sandbed scavengers that specialize in cleaning up leftover meaty food, not algae. They live buried in the sand and rely on...
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Trochus Snail
Trochus snails are reliable, reef-safe algae grazers that work on both glass and rock without needing constant attention. They’re especially valued for their ability...