{"product_id":"calcinus-tibicen-orangeclaw-hermitcrab","title":"Calcinus tibicen (orangeclaw hermitcrab) — Orangeclaw Hermit Crab (Calcinus tibicen)","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eThe Orangeclaw Hermit Crab (\u003cem\u003eCalcinus tibicen\u003c\/em\u003e) is a popular marine clean-up crew invertebrate prized for its bold orange claws, active personality, and practical algae-grazing habits. Native to tropical Indo-Pacific reefs, this species is well suited to established saltwater aquariums where it can spend its day scavenging, picking at film algae, and helping to keep detritus under control.\u003c\/p\u003e\u003cp\u003eCompared with many larger hermit crabs, \u003cem\u003eCalcinus tibicen\u003c\/em\u003e is generally considered a peaceful and useful addition to reef and fish-only marine systems. It is best kept in a mature aquarium with plenty of live rock, spare shells, and stable water conditions. When provided with the right environment, it is an engaging, hardy invertebrate that adds movement and character to the tank.\u003c\/p\u003e\u003cp\u003eAt Tropical Fish Co, we aim to supply healthy marine livestock with a live arrival guarantee and fast UK delivery, so your new hermit crab arrives ready to settle into its new home.\u003c\/p\u003e\u003ch2\u003eCare at a Glance\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eAttribute\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eScientific name\u003c\/td\u003e\n\u003ctd\u003e\u003cem\u003eCalcinus tibicen\u003c\/em\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommon name\u003c\/td\u003e\n\u003ctd\u003eOrangeclaw Hermit Crab\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCare level\u003c\/td\u003e\n\u003ctd\u003eEasy to moderate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperament\u003c\/td\u003e\n\u003ctd\u003ePeaceful\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAdult size\u003c\/td\u003e\n\u003ctd\u003eApprox. 2.5-4 cm body length\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum tank size\u003c\/td\u003e\n\u003ctd\u003e60 litres+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature\u003c\/td\u003e\n\u003ctd\u003e24-27°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003epH\u003c\/td\u003e\n\u003ctd\u003e8.0-8.4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiet\u003c\/td\u003e\n\u003ctd\u003eOmnivore; algae, detritus, leftover foods, marine pellets, dried seaweed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLifespan\u003c\/td\u003e\n\u003ctd\u003e2-5 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTank zone\u003c\/td\u003e\n\u003ctd\u003eBottom\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOrigin \u0026amp; Natural Habitat\u003c\/h2\u003e\u003cp\u003e\u003cem\u003eCalcinus tibicen\u003c\/em\u003e originates from tropical Indo-Pacific waters, where it inhabits shallow reef flats, rocky shorelines, and coral rubble zones. In the wild, it spends much of its time among crevices, broken coral, and algae-covered rock, foraging for organic matter and sheltering in empty gastropod shells. This natural behaviour makes it a great fit for aquariums with plenty of rockwork and hiding places.\u003c\/p\u003e\u003cp\u003eLike most hermit crabs, it relies on a suitable shell to protect its soft abdomen. Offering a selection of spare shells in different sizes is important, as the crab will change shells as it grows. A healthy marine environment with stable salinity and good water quality is essential for long-term success.\u003c\/p\u003e\u003ch2\u003eTank Setup \u0026amp; Water Parameters\u003c\/h2\u003e\u003cp\u003eAn established marine aquarium is strongly recommended. This species does best in a tank with mature biological filtration, live rock, and plenty of surfaces for grazing. Sand is not essential, but a natural reef-style substrate and rock structure will help mimic its habitat and provide foraging opportunities.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimum tank size:\u003c\/strong\u003e 60 litres for a single specimen, larger for groups\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature:\u003c\/strong\u003e 24-27°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSalinity:\u003c\/strong\u003e 1.023-1.026 SG\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003epH:\u003c\/strong\u003e 8.0-8.4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmmonia\/Nitrite:\u003c\/strong\u003e 0 ppm at all times\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNitrate:\u003c\/strong\u003e Keep as low as practical, ideally under 20 ppm\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eProvide several empty shells of varying sizes to reduce competition and shell theft. This is especially important if you keep multiple hermits together. A tight-fitting lid is useful, as hermit crabs can climb surprisingly well and may explore above the waterline. Moderate water movement and strong oxygenation are beneficial, particularly in reef systems.\u003c\/p\u003e\u003cp\u003eAcclimation should be slow and careful, ideally by drip acclimation, because marine invertebrates are sensitive to sudden changes in salinity, temperature, and pH. Avoid copper-based medications and any treatments not explicitly safe for invertebrates.\u003c\/p\u003e\u003ch2\u003eFeeding Guide\u003c\/h2\u003e\u003cp\u003e\u003cem\u003eCalcinus tibicen\u003c\/em\u003e is an omnivore and a natural scavenger. In the aquarium it will graze on algae and biofilm, consume leftover meaty foods, and pick through detritus. While it helps with clean-up, it should not be relied upon as the sole algae solution in a tank.\u003c\/p\u003e\u003cp\u003eOffer a varied diet to keep it healthy and active:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMarine herbivore pellets or sinking invertebrate pellets\u003c\/li\u003e\n\u003cli\u003eSmall pieces of frozen marine foods such as mysis, krill, or chopped seafood\u003c\/li\u003e\n\u003cli\u003eDried seaweed or nori\u003c\/li\u003e\n\u003cli\u003eAlgae wafers and grazing foods\u003c\/li\u003e\n\u003cli\u003eOccasional calcium-rich foods to support shell and exoskeleton health\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFeed small amounts once daily or every other day depending on tank maturity and available natural food. In well-established reef tanks, it may find enough grazing material between feedings, but supplemental feeding is still recommended. As with all invertebrates, remove uneaten food if it begins to decay.\u003c\/p\u003e\u003ch2\u003eTank Mates \/ Compatibility\u003c\/h2\u003e\u003cp\u003eThis hermit crab is generally peaceful and suitable for community marine aquariums, including many reef setups. It is best kept with calm tank mates that will not harass or prey on it. Fish that ignore invertebrates and corals are usually ideal, while aggressive predators should be avoided.\u003c\/p\u003e\u003cp\u003eGood companions include small reef-safe fish, snails, other non-aggressive clean-up crew invertebrates, and corals. However, like most hermit crabs, it may occasionally disturb very small snails or compete with other hermits for shells and food. Providing plenty of space, food, and spare shells helps minimise conflict.\u003c\/p\u003e\u003cp\u003eDo not house with predatory wrasses, triggerfish, puffers, large hawkfish, or other species known to nip at or eat crustaceans. If kept with other hermit crabs, monitor for shell disputes, especially in smaller aquariums.\u003c\/p\u003e\u003ch2\u003eWhy Buy from Tropical Fish Co\u003c\/h2\u003e\u003cp\u003eAt Tropical Fish Co, we understand that marine invertebrates need careful handling and reliable shipping. That is why we focus on healthy stock, careful packing, and customer support designed for aquarists who want the best start for their livestock. Our Orangeclaw Hermit Crabs are selected for quality and vitality, and shipped with a live arrival guarantee for peace of mind.\u003c\/p\u003e\u003cp\u003eWe also offer fast UK delivery to help reduce transit stress and get your new marine invertebrate into a stable aquarium as quickly as possible. Whether you are building a reef clean-up crew or adding a bit of movement and personality to a marine tank, \u003cem\u003eCalcinus tibicen\u003c\/em\u003e is a practical and attractive choice for experienced and beginner saltwater keepers alike.\u003c\/p\u003e\u003cp\u003eFor best results, ensure your aquarium is fully cycled, stable, and stocked with suitable shells before introduction. With the right care, this hardy hermit crab can become a long-lived and entertaining part of your marine display.\u003c\/p\u003e","brand":"Tropical Fish Co","offers":[{"title":"Default Title","offer_id":57446815990095,"sku":"M832","price":8.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1007\/1408\/6735\/files\/calcinus-tibicen-hero-driftwood-m832.webp?v=1777556256","url":"https:\/\/tropical-fish-co.myshopify.com\/products\/calcinus-tibicen-orangeclaw-hermitcrab","provider":"Tropical Fish Co","version":"1.0","type":"link"}