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Results for "flow"

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Search results for "flow"

Copepods ARTICLE

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...

Reefapedia 3 min read
Copepods
Amphipods ARTICLE

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...

Reefapedia 4 min read
Amphipods
Phytoplankton ARTICLE

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...

Reefapedia 4 min read
Phytoplankton
Aiptasia ARTICLE

Aiptasia

Aiptasia are fast-spreading pest anemones that hitchhike into reef tanks and sting corals. Catch and control them early—once established, they’re difficult to eradicate.

Reefapedia 4 min read
Aiptasia
Majano Anemone ARTICLE

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...

Reefapedia 4 min read
Majano Anemone
Vermetid Snails ARTICLE

Vermetid Snails

Vermetid snails are tube-dwelling pests that spread on rock and frag plugs and feed with sticky mucus webs. Their webs can irritate corals and...

Reefapedia 4 min read
Vermetid Snails
Acropora-Eating Flatworm ARTICLE

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...

Reefapedia 4 min read
Acropora-Eating Flatworm
Montipora-Eating Nudibranch (Phestilla subodiosus) ARTICLE

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...

Reefapedia 4 min read
Montipora-Eating Nudibranch (Phestilla subodiosus)
Zoanthid-Eating Nudibranch ARTICLE

Zoanthid-Eating Nudibranch

Zoanthid-eating nudibranchs are tiny, camouflaged predators that eat zoa polyps and can wipe colonies fast. They hide in mats and lay eggs, so outbreaks...

Reefapedia 4 min read
Zoanthid-Eating Nudibranch
Acropora Red Bugs (Tegastes acroporanus) ARTICLE

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...

Reefapedia 4 min read
Acropora Red Bugs (Tegastes acroporanus)
Gorilla Crabs ARTICLE

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...

Reefapedia 4 min read
Gorilla Crabs
Ball Anemone ARTICLE

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...

Reefapedia 5 min read
Ball Anemone
Myrionema Hydroids ARTICLE

Myrionema Hydroids

Myrionema hydroids are stinging colonial polyps that often spread around zoa mats and frag plugs, causing localized zoanthid irritation and persistent closure. They thrive...

Reefapedia 4 min read
Myrionema Hydroids
Hydroids ARTICLE

Hydroids

Hydroids are stinging colonial polyps that hitchhike into reef tanks and can spread across plugs, racks, and rockwork. They often irritate corals and cause...

Reefapedia 4 min read
Hydroids
Marine Ich (Cryptocaryon irritans) ARTICLE

Marine Ich (Cryptocaryon irritans)

Marine ich is a contagious parasite that causes white salt-grain spots, flashing, and breathing stress in saltwater fish. It often looks less explosive than...

Reefapedia 4 min read
Marine Ich (Cryptocaryon irritans)
Brooklynellosis (Brooklynella hostilis) ARTICLE

Brooklynellosis (Brooklynella hostilis)

Brooklynella, often called brook, is a fast-moving external parasite best known for hitting clownfish hard with heavy mucus, breathing stress, and rapid decline. It...

Reefapedia 3 min read
Brooklynellosis (Brooklynella hostilis)
Uronema (Uronema marinum) ARTICLE

Uronema (Uronema marinum)

Uronema is an opportunistic protozoan that can cause rapid tissue damage, red sores, and sudden losses in stressed marine fish, especially chromis. It moves...

Reefapedia 4 min read
Uronema (Uronema marinum)
Spirobid Worms (Spirorbidae spp.) ARTICLE

Spirobid Worms (Spirorbidae spp.)

Spirorbid worms are tiny white spiral tube worms that commonly appear in reef tanks and are usually harmless hitchhikers. The main trust challenge is...

Reefapedia 4 min read
Spirobid Worms (Spirorbidae spp.)
Waminoa Coral Flatworms (Waminoa spp.) ARTICLE

Waminoa Coral Flatworms (Waminoa spp.)

Waminoa are small flatworms that sit on coral tissue and can create chronic irritation, shading, and reduced extension when populations build up. They are...

Reefapedia 4 min read
Waminoa Coral Flatworms (Waminoa spp.)
Coral-Boring Spionid Worms (Spionidae spp.) ARTICLE

Coral-Boring Spionid Worms (Spionidae spp.)

Coral-boring spionid worms live in or around coral skeleton and feed with paired filaments that can irritate tissue and contribute to localized recession. They...

Reefapedia 3 min read
Coral-Boring Spionid Worms (Spionidae spp.)
Montipora Cap (Montipora capricornis) ARTICLE

Montipora Cap (Montipora capricornis)

Montipora capricornis is a plating SPS coral that can grow quickly into shelves and scrolls when the tank is stable. It is usually manageable...

Reefapedia 2 min read
Montipora Cap (Montipora capricornis)
Green star polyp ARTICLE

Green star polyp

GSP Green star polyp care.

Reefapedia 3 min read
Green star polyp
Trusted ReefkeepingPractical guidance from Reefapedia
Focused ArticlesCare, setup, and troubleshooting
Local ContextReef care grounded in real husbandry
Knowledge You Can TrustReefapedia by the community