{"title":"Crabs","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFreshwater Crabs\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eOverview:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFreshwater crabs are fascinating invertebrates known for their unique behavior, bright colors, and semi-terrestrial lifestyle. Popular species include Vampire Crabs, Thai Micro Crabs, and Red Claw Crabs, each with different care needs.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSize:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e0.5–4 inches (species dependent)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eTank Size:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e5–20+ gallons depending on species\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eTemperament:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSemi-aggressive, territorial (especially with each other)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDiet:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eOmnivore – algae, pellets, wafers, vegetables, frozen \u0026amp; live foods\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWater Parameters:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eTemperature: 72–82°F\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003epH: 6.5–8.0\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eVaries by species (some require brackish water)\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCare Notes:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eMany species require land access (paludarium setup)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eExcellent escape artists—tight lid is required\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eProvide rocks, driftwood, and hiding spots\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMay prey on small fish or shrimp\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMolt regularly—need calcium and hiding space\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePopular Types:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eVampire Crabs (Geosesarma sp.) – colorful, mostly land-dwelling\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eThai Micro Crabs (Limnopilos naiyanetri) – tiny, fully aquatic and peaceful\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRed Claw Crabs (Perisesarma bidens) – semi-aquatic, prefer brackish setups\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eNotes:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAssortment includes a mix of colors and patterns; Exact colors and markings will vary; Stock photo used; fish received may differ.\u003c\/span\u003e\u003c\/p\u003e","products":[{"product_id":"mandarin-crab","title":"Mandarin Crab","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMandarin Crab (Geosesarma sp.)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eOverview:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA colorful Geosesarma species often called “Mandarin Crab,” featuring bright orange, red, or purple tones. Like other vampire-type crabs, it’s semi-terrestrial and thrives in humid paludariums.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCare Level: Moderate\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eTemperament: Semi-aggressive (territorial)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSize: 2–2.5 inches\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLifespan: 2–3 years\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eTank Requirements:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMinimum 10 gallons for a small group\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePaludarium setup (70–80% land, 20–30% shallow water)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eHigh humidity (70–90%)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePlenty of hiding spots (moss, leaf litter, caves, driftwood)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSecure lid—they climb very well\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWater Parameters:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eTemperature: 72–82°F\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003epH: 6.5–7.5\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eShallow, clean freshwater only\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDiet:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eOmnivore—pellets, algae wafers, fruits, vegetables, insects, frozen foods\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eNeeds calcium for healthy molts\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eTank Mates:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBest kept species-only\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMay attack or eat tank mates\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eNotes:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMostly land-dwelling—deep water can be dangerous\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eNocturnal and shy\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWill hide during molting—provide safe cover\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAssortment includes a mix of colors and patterns; Exact colors and markings will vary; Stock photo used; fish received may differ.\u003c\/span\u003e\u003c\/p\u003e","brand":"Aquarium Needs","offers":[{"title":"1","offer_id":49991909736750,"sku":"","price":35.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0928\/4131\/2558\/files\/f_a4146d4f-a703-41cb-9644-67c539de1505.jpg?v=1744369581"},{"product_id":"4-vampire-crabs","title":"4 Vampire Crabs","description":"\u003cp\u003eVampire Crab (Geosesarma dennerle)\u003c\/p\u003e\n\u003cp\u003e• Type: Freshwater\/semi-terrestrial crab\u003c\/p\u003e\n\u003cp\u003e• Look: Deep purple body, bright orange\/yellow eyes\u003c\/p\u003e\n\u003cp\u003e• Adult size: ~1–1.5 inches\u003c\/p\u003e\n\u003cp\u003e• Temperament: Peaceful, shy; best kept in small groups\u003c\/p\u003e\n\u003cp\u003e• Habitat: Paludarium (land + shallow water), not fully aquatic\u003c\/p\u003e\n\u003cp\u003e• Substrate: Dark\/black sand or soil with leaf litter\u003c\/p\u003e\n\u003cp\u003e• Decor: Driftwood, rocks, dense plants (no trees—just low plants\/moss)\u003c\/p\u003e\n\u003cp\u003e• Diet: Omnivore—algae wafers, sinking pellets, blanched veggies, frozen foods\u003c\/p\u003e\n\u003cp\u003e• Breeding: Possible in captivity with stable conditions\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Aquarium Needs","offers":[{"title":"4","offer_id":51860204159278,"sku":null,"price":120.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0928\/4131\/2558\/files\/FullSizeRender_e092345d-6517-4034-825b-3fde82782ba0.jpg?v=1773970528"},{"product_id":"vampire-crab-1","title":"2 Vampire Crab","description":"\u003cp\u003e\u003cspan\u003eVampire Crab (Geosesarma sp.)\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eA stunning, semi-terrestrial freshwater crab known for its deep purple body, bright yellow\/orange eyes, and bold personality—one of the most eye-catching crabs in the hobby.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eQuick facts\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Adult size: ~1–1.5 inches\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Temperament: Semi-aggressive; best kept in groups with space and hiding spots\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Tank size: 10+ gallons (paludarium setup recommended)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Water: 72–82°F (22–28°C), soft–moderately hard, neutral pH\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Habitat look: Land + shallow water, moss, driftwood, rocks, leaf litter\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Diet: Omnivore—pellets, frozen foods, vegetables, leaf litter\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Notes: Fully freshwater lifecycle (no brackish water); needs land access to thrive\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eBest kept with: Other Vampire Crabs, snails\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eAvoid: Fish, shrimp, cramped setups\u003c\/span\u003e\u003c\/p\u003e","brand":"Aquarium Needs","offers":[{"title":"2","offer_id":51861431124270,"sku":null,"price":74.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0928\/4131\/2558\/files\/FullSizeRender_e092345d-6517-4034-825b-3fde82782ba0.jpg?v=1773970528"},{"product_id":"5-thai-micro-spider-crab","title":"6 Thai Micro Spider Crab","description":"\u003cp\u003e\u003cspan\u003eThai Micro Spider Crab (Limnopilos naiyanetri)\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eOne of the smallest true freshwater crabs in the aquarium hobby, prized for its tiny size, translucent body, and delicate spider-like legs.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eQuick facts\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Adult size: ~0.3–0.5 inch\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Temperament: Very peaceful, extremely shy\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Tank size: 5+ gallons (species or nano community)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Water: 72–78°F (22–26°C), soft–moderately hard, neutral pH\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Habitat look: Moss, driftwood, fine gravel\/sand, dense plants\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Diet: Biofilm, algae, powdered foods, shrimp food dust\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Notes: Fully freshwater (no brackish stage); sensitive to poor water quality and copper\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eBest kept with: Nano fish, shrimp, snails\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eAvoid: Large fish, aggressive tankmates, strong flow\u003c\/span\u003e\u003c\/p\u003e","brand":"Aquarium Needs","offers":[{"title":"6","offer_id":51866114162990,"sku":null,"price":60.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0928\/4131\/2558\/files\/FullSizeRender_7700db11-65de-457e-8dec-c9735b3403fb.jpg?v=1774288899"},{"product_id":"3-pom-pom-crab-freshwater","title":"3 Pom Pom Crab Freshwater","description":"\u003cp\u003e\u003cspan\u003ePom Pom Crab (Freshwater) (Ptychognathus barbatus \/ Limnopilos sp. trade name)\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eA tiny, fascinating freshwater crab famous for the hairy “pom-pom” claws it uses to filter food from the water.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eQuick facts\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Adult size: ~0.5–1 inch\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Temperament: Peaceful, shy\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Tank size: 5–10+ gallons (species tank recommended)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Water: 72–78°F (22–26°C), soft–moderately hard, neutral pH\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Habitat look: Sand or fine gravel, driftwood, rocks, live plants\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Diet: Biofilm, algae, powdered foods, micro pellets\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Notes: Fully freshwater (no brackish water needed); sensitive to poor water quality\u003c\/span\u003e\u003c\/p\u003e","brand":"Aquarium Needs","offers":[{"title":"3","offer_id":51866115899694,"sku":null,"price":90.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0928\/4131\/2558\/files\/FullSizeRender_85bc98a0-ba2d-4e3f-abc9-20c616518b11.jpg?v=1774289226"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0928\/4131\/2558\/collections\/FullSizeRender_5a380975-4492-4154-89b9-8198e86445f1.jpg?v=1773970394","url":"https:\/\/aquariumneeds.shop\/collections\/crabs.oembed","provider":"Aquarium Needs","version":"1.0","type":"link"}