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Fromia monilis orange stars are smaller and slightly hardier than Linckia stars - red/orange body with white spotted highlights. Demand established reef systems with sponge growth and microfauna populations. Among the more popular small reef stars when sourced from mature systems with proper acclimation.
Native range: Indo-Pacific. Most US trade specimens come through marine wholesale suppliers in Indonesia, the Philippines, Hawaii, and the Caribbean. Wild collection remains the primary sourcing method for the majority of marine inverts - few are captive-bred at commercial scale. Quality of acclimation at the wholesale/retail stage is the biggest single predictor of long-term survival in home aquaria.
Tank size: 50 gallons (established). Parameters: temperature 74-82°F, salinity 1.024-1.026, plus the standard reef tank requirements - stable calcium 420-440 ppm, alkalinity 8-10 dKH, magnesium 1300-1400 ppm, nitrate under 25 ppm, phosphate under 0.05 ppm. The species requires conditions consistent with a healthy reef tank rather than nutrient-stripped sterile water - well-established systems with diverse microfauna and biofilm typically support these inverts better than newly-cycled tanks.
Lighting: depends on species. Photosynthetic inverts (clams, anemone-symbiotic species) require high-PAR reef LED lighting. Filter-feeders (worms, scallops) prefer moderate lighting and benefit from particulate-rich water. Flow: moderate, indirect flow works for most inverts - direct high-velocity flow stresses or damages soft-bodied species.
Acclimation: drip acclimate over 2-4 hours for hardy species, 4-8 hours for sensitive species (Linckia stars, sea hares, demanding nudibranchs). Never expose inverts to air during transfer - capture in a bowl underwater and transfer wet.
Fromia Orange Starfish diet: Biofilm, detritus, sponges, microalgae. Feeding strategy depends on dietary type. Algae eaters require established tanks with biofilm and microalgae growth - new tanks lack the algal base they need. Carnivore inverts (starfish, some snails) need targeted meaty feedings 2-3x weekly. Filter feeders (clams, worms, scallops) need phytoplankton in the water column. Photosynthetic species need adequate lighting plus supplemental amino acid or coral food dosing.
Safe: Peaceful reef community.
Avoid: Harlequin shrimp (eat starfish), new tanks.
Asexual fission occasionally.
Acclimation stress; starvation in nutrient-stripped systems; sponge depletion.
Yes - peaceful detritivore. Will graze biofilm and microalgae on rocks.
Smaller adult size, slightly hardier in moderately mature tanks. Otherwise similar care requirements.
$15-35 each.
Risk is real in nutrient-stripped tanks. Mature systems with sponge growth and abundant biofilm are the safest environments.
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