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Results for "predator"
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Search results for "predator"
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Tube Anemone
Tube anemones are burrowing sandbed predators that need a deep, stable substrate, gentle flow, and regular meaty feedings. They have a strong sting and...
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Lobsters
Armored night-walkers—striking but often predatory toward small fish and shrimp.
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Lionfish
Iconic fins and venomous spines—stately predators best kept away from bite-sized tankmates.
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Groupers
Bold predators that quickly outgrow small systems—built for big-water displays.
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Mandarin Dragonet (Synchiropus splendidus)
A stunning, peaceful, reef-safe fish that constantly hunts copepods and microfauna. Advanced mainly due to feeding requirements. Best in a mature 75+ gallon tank...
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Angler
Ambush predators with a built-in lure—incredible to watch, but best without bite-sized tankmates.
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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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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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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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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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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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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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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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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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Fire Shrimp
Fire (Blood) shrimp are peaceful, reef-safe cleaner shrimp with a more reserved personality than skunk cleaners. They’re naturally shy, often more active in the...
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Skunk Cleaner Shrimp
Skunk cleaner shrimp are hardy, reef-safe scavengers that also happen to clean fish when given the chance. They’re active, visible, and beginner-friendly in stable...
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Pajama Cardinalfish
A peaceful, reef-safe cardinalfish with a quirky spotted pattern and calm hovering behavior. Easy to feed, beginner-friendly, and often suitable for pairs or small...
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Neon Goby
A small, peaceful, reef-safe goby known for occasional cleaner behavior. Great for beginners and community tanks, as long as it isn’t housed with fish...