{"product_id":"yellowline-arrow-crab","title":"Yellowline Arrow Crab (bristle worm eater)","description":"\u003ch2 style=\"margin: 0 0 12px 0; font-weight: 800; font-size: 28px; letter-spacing: -0.3px; color: #123844;\"\u003eYellowline Arrow Crab \u003c\/h2\u003e\n\u003cp style=\"margin: 0 0 12px 0; color: #22323a; line-height: 1.7;\"\u003eArrow Crabs \u003cem\u003e(Stenorhynchus seticornis)\u003c\/em\u003e are distinctive reef invertebrates known for their \u003cstrong\u003elong, spider-like legs and unique triangular body shape\u003c\/strong\u003e. Their unusual appearance and constant movement make them a fascinating addition to marine aquariums, especially for hobbyists looking to add something visually different to their system.\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 18px 0; color: #22323a; line-height: 1.7;\"\u003eIn addition to their appearance, Arrow Crabs are \u003cstrong\u003eactive scavengers and opportunistic predators\u003c\/strong\u003e that help consume leftover food, detritus, and certain nuisance organisms. They are particularly known for targeting bristle worms, making them a functional addition to aquariums where these pests are present.\u003c\/p\u003e\n\u003chr style=\"border: 0; border-top: 1px solid #dde5e8; margin: 18px 0;\"\u003e\n\u003ch3 style=\"margin: 0 0 10px 0; font-weight: bold; font-size: 18px; color: #1a5a61;\"\u003eAvailable Options\u003c\/h3\u003e\n\u003cdiv style=\"background: linear-gradient(180deg,#f6fbf8 0%, #edf7f2 100%); border: 1px solid #d4e6e3; border-radius: 12px; padding: 13px 15px;\"\u003e\n\u003cp style=\"margin: 0 0 6px 0; color: #1a5a61;\"\u003e\u003cstrong\u003eSingle Arrow Crab\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"margin: 0; padding-left: 18px; color: #22323a; line-height: 1.7;\"\u003e\n\u003cli\u003eUnique ornamental invertebrate with functional benefits\u003c\/li\u003e\n\u003cli\u003eHelps control bristle worms and organic debris\u003c\/li\u003e\n\u003cli\u003eBest suited for established marine aquariums\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003chr style=\"border: 0; border-top: 1px solid #dde5e8; margin: 18px 0;\"\u003e\n\u003ch3 style=\"margin: 0 0 10px 0; font-weight: bold; font-size: 18px; color: #184f69;\"\u003eCare Information\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: separate; border-spacing: 10px 10px;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 50%; background-color: #eceff1; border: 1px solid #cfd6da; border-radius: 10px; padding: 11px 13px; color: #22323a; vertical-align: top;\"\u003e💡 \u003cstrong style=\"color: #435760;\"\u003eLighting\u003c\/strong\u003e\u003cbr\u003eAll Lighting Conditions\u003c\/td\u003e\n\u003ctd style=\"width: 50%; background-color: #eceff1; border: 1px solid #cfd6da; border-radius: 10px; padding: 11px 13px; color: #22323a; vertical-align: top;\"\u003e🌊 \u003cstrong style=\"color: #435760;\"\u003eWater Flow\u003c\/strong\u003e\u003cbr\u003eLow to Moderate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: #eceff1; border: 1px solid #cfd6da; border-radius: 10px; padding: 11px 13px; color: #22323a; vertical-align: top;\"\u003e📍 \u003cstrong style=\"color: #435760;\"\u003ePlacement\u003c\/strong\u003e\u003cbr\u003eRockwork and crevices\u003c\/td\u003e\n\u003ctd style=\"background-color: #eceff1; border: 1px solid #cfd6da; border-radius: 10px; padding: 11px 13px; color: #22323a; vertical-align: top;\"\u003e⚙️ \u003cstrong style=\"color: #435760;\"\u003eCare Level\u003c\/strong\u003e\u003cbr\u003eModerate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: #eceff1; border: 1px solid #cfd6da; border-radius: 10px; padding: 11px 13px; color: #22323a; vertical-align: top;\"\u003e📈 \u003cstrong style=\"color: #435760;\"\u003eBehavior\u003c\/strong\u003e\u003cbr\u003eActive scavenger and opportunistic predator\u003c\/td\u003e\n\u003ctd style=\"background-color: #eceff1; border: 1px solid #cfd6da; border-radius: 10px; padding: 11px 13px; color: #22323a; vertical-align: top;\"\u003e🧪 \u003cstrong style=\"color: #435760;\"\u003eFeeding\u003c\/strong\u003e\u003cbr\u003eMeaty foods, detritus, bristle worms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr style=\"border: 0; border-top: 1px solid #dde5e8; margin: 18px 0;\"\u003e\n\u003ch3 style=\"margin: 0 0 10px 0; font-weight: bold; font-size: 18px; color: #6a6b58;\"\u003eSpecial Considerations\u003c\/h3\u003e\n\u003cdiv style=\"background-color: #faf8ee; border: 1px solid #e6e1c9; border-left: 4px solid #b7ad78; border-radius: 10px; padding: 13px 15px; color: #22323a;\"\u003eArrow Crabs are not fully reef-safe and may become more \u003cstrong\u003eaggressive or predatory as they mature\u003c\/strong\u003e. They can prey on small fish, shrimp, or other invertebrates, particularly in smaller aquariums or when underfed. Best kept in larger systems with appropriate tank mates and adequate feeding.\u003c\/div\u003e\n\u003chr style=\"border: 0; border-top: 1px solid #dde5e8; margin: 18px 0;\"\u003e\n\u003ch3 style=\"margin: 0 0 10px 0; font-weight: bold; font-size: 18px; color: #123844;\"\u003e🔍 Aquarium Insights\u003c\/h3\u003e\n\u003cp style=\"margin: 0 0 8px 0; color: #22323a; line-height: 1.7;\"\u003eArrow Crabs are highly active and unique additions that provide both function and visual interest:\u003c\/p\u003e\n\u003cul style=\"margin-top: 0; padding-left: 18px; color: #22323a; line-height: 1.7;\"\u003e\n\u003cli\u003eKnown for their long legs and distinctive triangular body shape\u003c\/li\u003e\n\u003cli\u003eConstantly move through rockwork and crevices\u003c\/li\u003e\n\u003cli\u003eHelp reduce bristle worm populations in some systems\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMay become territorial or predatory as they grow\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr style=\"border: 0; border-top: 1px solid #dde5e8; margin: 18px 0;\"\u003e\n\u003ch3 style=\"margin: 0 0 10px 0; font-weight: bold; font-size: 18px; color: #123844;\"\u003eLearn More\u003c\/h3\u003e\n\u003cp style=\"margin: 0; color: #22323a; line-height: 1.7;\"\u003eFor detailed species information, compatibility, and care tips, visit our \u003cstrong\u003e\u003ca style=\"color: #1d5c78;\" href=\"https:\/\/www.macroalgaefarms.com\/pages\/species-library\"\u003eSpecies Library\u003c\/a\u003e\u003c\/strong\u003e.\u003c\/p\u003e\n\u003chr style=\"border: 0; border-top: 1px solid #dde5e8; margin: 24px 0;\"\u003e\n\u003cdiv style=\"background-color: #f6f8f9; border: 1px solid #dde4e7; border-left: 4px solid #8a98a0; border-radius: 10px; padding: 13px 15px; font-size: 13px; color: #607078; line-height: 1.65;\"\u003e\n\u003cstrong style=\"color: #46545b;\"\u003eLivestock Disclaimer\u003c\/strong\u003e\n\u003cp style=\"margin: 8px 0 10px 0;\"\u003eDue to natural variation between specimens, coloration and size may vary slightly from images shown. Photographs are representative examples of general appearance and size.\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 10px 0;\"\u003eIndividual specimens may vary based on age, environment, and natural development.\u003c\/p\u003e\n\u003cp style=\"margin: 0;\"\u003eApproximate size ranges are provided for reference but may differ slightly from the specimen received.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Macroalgae Farms","offers":[{"title":"Default Title","offer_id":47854637580547,"sku":"H3","price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0667\/7151\/7699\/files\/c8cb61e7-b2f7-41f7-bb32-6f6762ecd48f.png?v=1773943604","url":"https:\/\/www.macroalgaefarms.com\/products\/yellowline-arrow-crab","provider":"Macroalgae Farms","version":"1.0","type":"link"}