Search ReefScales
Results for "observation"
12 launch-approved results
Search results for "observation"
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Blue-Green Chromis
A reef-safe, active schooling fish that adds constant motion to the upper water column. Easy to feed and generally peaceful with other species, but...
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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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Lymphocystis (Lymphocystivirus)
Lymphocystis is a stress-linked viral condition that causes cauliflower-like nodules on fins or skin and usually looks worse than it is. The safest response...
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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...
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Aquarium Controllers
Aquarium controllers centralize monitoring and automation for reef systems, allowing reefkeepers to track parameters, control equipment, and respond to changes more consistently. Their real...
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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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Vibriosis (Vibrio spp.)
Vibriosis is a bacterial disease that can cause redness, ulcers, frayed fins, and rapid decline in saltwater fish. The safest first move is fast...
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Predatory Oenone Worm (Oenone fulgida)
Oenone worms are hidden predators often blamed for unexplained snail losses and empty shells in reef tanks. They are hard to catch because they...
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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...
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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...
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Eye/Skin Flukes (Neobenedenia melleni)
Eye and skin flukes are contagious external parasites that can cause flashing, excess mucus, cloudy eyes, and chronic irritation. They are often missed because...
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Marine Leeches (Piscicolidae; e.g., Trachelobdella spp.)
Marine leeches are visible external parasites that attach to fish, feed on blood or tissue, and leave behind wounds and stress. Seeing one on...