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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
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
Collector Urchin ARTICLE

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...

Reefapedia 4 min read
Tuxedo Urchin ARTICLE

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...

Reefapedia 4 min read
Pistol Shrimp ARTICLE

Pistol Shrimp

Pistol shrimp are burrowing engineers that reshape the sandbed, move rubble, and make their presence known with characteristic snapping. They aren’t cleanup crew and...

Reefapedia 5 min read
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