Search ReefScales
Results for "ich"
45 launch-approved results
Search results for "ich"
ARTICLE
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...
ARTICLE
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...
ARTICLE
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...
ARTICLE
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...
ARTICLE
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...
ARTICLE
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...
ARTICLE
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...
ARTICLE
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...
ARTICLE
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...
ARTICLE
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...
ARTICLE
Percula Clownfish (Amphiprion percula)
A reef-safe clownfish with bold coloration and strong personality, the Percula Clownfish is hardy, adaptable, and well suited for both new and experienced reef...
ARTICLE
Ocellaris Clownfish
A hardy, reef-safe clownfish that adapts well to home aquariums, the Ocellaris Clownfish is an excellent choice for beginners and experienced reef keepers alike....
ARTICLE
Royal Gramma Basslet (Gramma loreto)
The Royal Gramma is a classic reef fish: small, colorful, hardy, and full of personality. It’s best known for its stunning purple-to-yellow gradient and...
ARTICLE
Firefish Goby
A reef-safe, peaceful fish that’s easy to keep and fun to watch—as long as your tank is covered. Provide rockwork with a bolt hole,...
ARTICLE
Foxface Rabbitfish
A larger, reef-compatible herbivore known for algae grazing and calm cruising behavior. Best in 125+ gallons with strong filtration and daily algae-based feeding. Usually...
ARTICLE
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...
ARTICLE
Diamond Watchman Goby
A reef-safe sand-sifting goby that turns over the sand bed and adds constant bottom activity. Best in 40+ gallons with a mature sand bed,...
ARTICLE
Midas Blenny
A reef-safe blenny with big personality that often swims in the open like a small schooling fish. Easy to feed and generally community-friendly, but...
ARTICLE
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...
ARTICLE
Kole Tang
A reef-safe bristletooth tang known for excellent film algae and biofilm grazing. Best kept in 70–75+ gallons with strong filtration, stable conditions, and daily...
ARTICLE
Yellow Tang
An iconic reef-safe grazer that adds constant movement and bright color. Best kept in 75+ gallons with plenty of swimming space and daily algae-based...
ARTICLE
Six-Line Wrasse
A colorful, energetic wrasse that patrols rockwork all day and is usually easy to feed. Reef safe, but temperament can become aggressive over time—especially...
ARTICLE
Tailspot Blenny
A tiny, reef-safe fish packed with personality. Best kept singly with plenty of rockwork and perches. Easy to feed and may graze lightly, but...
ARTICLE
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...
ARTICLE
Banggai Cardinalfish
A peaceful, reef-safe cardinalfish with bold striping and a calm hovering behavior. Great for community reefs, especially smaller tanks, as long as it isn’t...
ARTICLE
Birdsnest Coral
A popular branching SPS coral that forms a dense “nest” structure. Best in stable tanks with moderate-to-high light and strong, turbulent flow. More forgiving...
ARTICLE
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...
ARTICLE
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...
ARTICLE
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...
ARTICLE
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...
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...
ARTICLE
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...
ARTICLE
Tridacna Clam
Tridacna clams are light-driven reef animals that thrive only in stable, mature systems. Strong, consistent lighting and steady alkalinity and calcium matter far more...
ARTICLE
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...
ARTICLE
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...
ARTICLE
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,...
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...
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...
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...
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...
ARTICLE
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...
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...
ARTICLE
Maxi-Mini Carpet Anemone
Maxi-mini carpet anemones are hardy, colorful anemones that like a sandy nook, moderate-to-high light, gentle flow, and regular meaty feedings. They are extremely sticky...
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...
ARTICLE
Acan Coral (Micromussa lordhowensis)
Acan corals are fleshy LPS corals that usually do well in stable tanks with lower to moderate light, gentle flow, and some space from...