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Tuxedo pincushion urchins display a striking pattern of alternating dark blue/black and red/orange bands that resemble a tuxedo jacket. Smaller than red pencil urchins and less destructive to aquascaping. Excellent algae control and one of the better invert choices for nano reef setups.
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: 30 gallons. 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.
Tuxedo Pincushion Urchin diet: Algae, biofilm, occasional detritus. 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: Most reef-safe community.
Avoid: Fish that eat small inverts.
Not captive bred.
Coralline depletion in small tanks; "decoration carrying" can attach to small corals.
Camouflage behavior - they pick up shells, rocks, and debris with their tube feet and hold them above the body to disguise their silhouette from predators.
Yes - smaller adult size (2-3 inches) and less destructive than larger urchin species.
No - strictly algae and detritus eaters. Will scrape coralline aggressively in small systems.
$15-35 each.
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