{"product_id":"harlequin-basslet","title":"Harlequin Basslet - Serranus tigrinus","description":"\u003cp class=\"p1\"\u003eThe Harlequin Basslet (\u003cspan class=\"s1\"\u003e\u003ci\u003eSerranus tigrinus\u003c\/i\u003e\u003c\/span\u003e) is a striking Caribbean reef fish known for its bold orange and white patterning covered in electric blue accents and spots. Native to the tropical Western Atlantic and Caribbean, this species is commonly found hovering near rocky reef structures, caves, and coral outcroppings where it hunts for small crustaceans and meaty prey.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eDespite its smaller size, the Harlequin Basslet has a confident personality and active swimming behavior that makes it stand out in reef and fish-only aquariums. Its vibrant coloration and relatively hardy nature have made it a favorite among collectors looking for unique Caribbean species.\u003c\/p\u003e\n\u003ch2\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eCare Requirements\u003c\/b\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eCare Level:\u003c\/b\u003e Easy to Moderate – Hardy and adaptable once acclimated\u003cbr\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eMinimum Tank Size:\u003c\/b\u003e\u003c\/span\u003e 30+ gallons\u003cbr\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eAquarium Setup:\u003c\/b\u003e\u003c\/span\u003e Reef or fish-only aquarium with rockwork, caves, and moderate flow\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eHarlequin Basslets appreciate aquariums with plenty of rock structures and hiding areas where they can retreat while still maintaining open swimming space to patrol their territory.\u003c\/p\u003e\n\u003ch2\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eDiet \u0026amp; Nutrition\u003c\/b\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"p1\"\u003eHarlequin Basslets are carnivorous predators that naturally feed on small crustaceans and meaty prey items.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e\u003cb\u003eDiet:\u003c\/b\u003e Carnivore – Requires meaty marine foods\u003cbr\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eRecommended Foods:\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMysis shrimp\u003c\/li\u003e\n\u003cli\u003eBrine shrimp\u003c\/li\u003e\n\u003cli\u003eFinely chopped seafood\u003c\/li\u003e\n\u003cli\u003eHigh-quality marine pellets\u003c\/li\u003e\n\u003cli\u003eFrozen carnivore blends\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003eThey are generally eager feeders and adapt well to frozen and prepared foods in captivity.\u003c\/p\u003e\n\u003ch2\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eLifespan \u0026amp; Growth Rate\u003c\/b\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"p4\"\u003e\u003cb\u003eLifespan:\u003c\/b\u003e\u003cspan class=\"s2\"\u003e 5–7 years\u003cbr\u003e\u003c\/span\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eGrowth Rate:\u003c\/b\u003e\u003c\/span\u003e\u003cspan class=\"s2\"\u003e Moderate\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eWith stable conditions and regular feedings, Harlequin Basslets can remain colorful and active aquarium inhabitants for many years.\u003c\/p\u003e\n\u003ch2\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eTemperament \u0026amp; Compatibility\u003c\/b\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eTemperament:\u003c\/b\u003e Semi-Aggressive – Territorial toward similar fish\u003cbr\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eReef Safe?\u003c\/b\u003e\u003c\/span\u003e Yes (with caution)\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eHarlequin Basslets are generally reef safe with corals but may prey on very small ornamental shrimp or tiny crustaceans.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eThey may become territorial toward other basslets, assessors, or similarly shaped fish, especially in smaller aquariums. Providing ample rockwork can help reduce territorial disputes.\u003c\/p\u003e\n\u003ch2\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eCommon Challenges \u0026amp; Considerations\u003c\/b\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eTerritorial Behavior:\u003c\/b\u003e\u003cbr\u003eThis species may defend caves or rock structures aggressively against similar fish.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eSmall Shrimp Predation:\u003c\/b\u003e\u003cbr\u003eTiny ornamental shrimp or micro-crustaceans may eventually be viewed as food.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eHiding During Acclimation:\u003c\/b\u003e\u003cbr\u003eNew specimens often spend time hiding before becoming comfortable in the aquarium.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eJumping Risk:\u003c\/b\u003e\u003cbr\u003eHarlequin Basslets are capable jumpers when startled. A secure lid is recommended.\u003c\/p\u003e\n\u003ch2\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eWater Conditions\u003c\/b\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"p4\"\u003e\u003cb\u003eTemperature:\u003c\/b\u003e\u003cspan class=\"s2\"\u003e 75–77°F\u003cbr\u003e\u003c\/span\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003edKH (Alkalinity):\u003c\/b\u003e\u003c\/span\u003e\u003cspan class=\"s2\"\u003e 8–9\u003cbr\u003e\u003c\/span\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003epH:\u003c\/b\u003e\u003c\/span\u003e\u003cspan class=\"s2\"\u003e 8.1–8.3\u003cbr\u003e\u003c\/span\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eSpecific Gravity:\u003c\/b\u003e\u003c\/span\u003e\u003cspan class=\"s2\"\u003e 1.024–1.026\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eStable water chemistry, consistent feeding, and secure rockwork help support healthy coloration and natural behavior in Harlequin Basslets.\u003c\/p\u003e","brand":"TSA Fish","offers":[{"title":"Medium","offer_id":49117621059882,"sku":"BASSxHarlM","price":44.99,"currency_code":"USD","in_stock":true},{"title":"Large","offer_id":50950925451562,"sku":"BASSxHarlL","price":59.99,"currency_code":"USD","in_stock":false},{"title":"XL","offer_id":49117621092650,"sku":"BASSxHarlX","price":89.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/0873\/7322\/files\/tsa-fish-harlequin-basslet-serranus-tigrinus-1239011113.png?v=1779060218","url":"https:\/\/topshelfaquatics.com\/products\/harlequin-basslet","provider":"Top Shelf Aquatics ","version":"1.0","type":"link"}