Sand Sifting Cucumber

Sand Sifting Cucumber requires a minimum of 55 gallons for healthy adults. The minimum is based on the species' adult size (8 inches), territorial range, and behavior pattern. Most Sand Sifting Cucumber sold at small juvenile size will reach full adult size within 12-24 months and the system must be sized to the adult, not the juvenile.

The Sand Sifting Cucumber is rated intermediate difficulty on this care sheet. It needs a tank of at least 55 gallons, a temperature of 76-80°F (24-27°C) and pH 8.1-8.4. Adults reach about 8 inches and live 5-8 years. Sand Sifting Cucumber (Holothuria hilla) is a intermediate-care saltwater species that thrives in tanks of 55 gallons or larger with stable parameters.

Sand Sifting Cucumber requires standard reef parameters held tightly stable: Temperature: 76-80°F (24-27°C) Specific gravity: 1.025 (refractometer-measured) pH: 8.1-8.4 Alkalinity: 8-9 dKH Calcium: 420-450 ppm Magnesium: 1300-1400 ppm Ammonia + nitrite: Both 0 ppm Nitrate: Under 10 ppm Copper: 0 (lethal to invertebrates) Sand Sifting Cucumber is sensitive to copper - never medicate the display tank with copper if Sand Sifting Cucumber is present.

Sand Sifting Cucumber is a detritivore. Eats uneaten food, fish waste, and biofilm. Generally finds enough food in a stocked tank without supplemental feeding. If population thins, drop in algae wafers or sinking pellets weekly. Feed Sand Sifting Cucumber appropriately for its size + activity level.

Sand Sifting Cucumber is generally peaceful and compatible with most reef community species. Avoid keeping with predatory fish that view inverts as food: large wrasses (especially halichoeres + thalassoma), triggerfish, pufferfish, and certain large angelfish. Multiple Sand Sifting Cucumber can share a tank but compete for food. Browse care guides for tankmate-compatibility tables for Sand Sifting Cucumber and similar species.

Sand Sifting Cucumber reaches 8 inches at adulthood with a captive lifespan of 5-8 years with proper care. Many marine inverts molt periodically; provide adequate calcium and a stable parameter regime to support healthy molts. The minimum is based on the species' adult size (8 inches), territorial range, and behavior pattern.

Sand Sifting Cucumber is sensitive to copper, ammonia spikes, low oxygen, and rapid parameter swings. NEVER use copper medications in a tank with Sand Sifting Cucumber. Symptoms of stress: reclusive behavior, color loss, refusal to feed, abnormal molting (incomplete or stuck molts). Most Sand Sifting Cucumber deaths trace back to acclimation shock or parameter mismatch - drip-acclimate over 45-60 minutes when adding to a new tank.

Sand Sifting Cucumber (Holothuria hilla) is native to Indo-Pacific reef ecosystems, with wild populations distributed across coral reefs, sandy lagoons, and rocky tide pools. Captive specimens are typically wild-collected; some species are starting to be aquacultured but most Sand Sifting Cucumber sold today still comes from wild reef collection. Sustainable sourcing matters - look for vendors who can verify their collection practices, and consider aquacultured alternatives when available.