{"product_id":"panther-grouper-cromileptes-altivelis","title":"Panther Grouper","description":"\u003cp\u003eThe Panther Grouper, \u003cem\u003eChromileptes altivelis\u003c\/em\u003e, is one of the most distinctive predatory marine fish available to advanced aquarists. Its pale white to cream or light greenish-brown body is covered with bold, round black spots across the head, body, and fins. A steeply elevated back, concave forehead, and tall dorsal profile give this grouper its characteristic humpback appearance, while juveniles display particularly dramatic high-contrast coloration.\u003c\/p\u003e\n\u003cp\u003eNative to the eastern Indian Ocean and Western Pacific, the Panther Grouper inhabits lagoons, coral reefs, and seaward reef environments from southern Japan through parts of Southeast Asia, Micronesia, New Caledonia, and northern Australia. It is an ambush-oriented predator that naturally feeds primarily on smaller fish and crustaceans.\u003c\/p\u003e\n\u003cp\u003eAlthough frequently encountered in the aquarium trade as an attractive juvenile, this is a very large saltwater fish capable of reaching approximately 28 inches. Its substantial adult size, predatory temperament, and powerful feeding response make it best suited to exceptionally large fish-only aquariums with carefully selected tankmates.\u003c\/p\u003e\n\u003ch2\u003eQuick Care Guide\u003c\/h2\u003e\n\u003cp\u003eCare Level: Expert Only\u003cbr\u003eMinimum Tank Size: 300 gallons\u003cbr\u003eTemperament: Predatory\u003cbr\u003eDiet: Carnivore\u003cbr\u003eReef Safe: No\u003cbr\u003eRegion: Eastern Indian Ocean and Western Pacific\u003cbr\u003eScientific Name: \u003cem\u003eChromileptes altivelis\u003c\/em\u003e\u003c\/p\u003e\n\u003ch2\u003eTank Requirements\u003c\/h2\u003e\n\u003cp\u003eThe Panther Grouper requires a very large aquarium with substantial open swimming room and appropriately sized caves, overhangs, and rock structures. Rockwork should provide secure shelter while leaving enough unobstructed space for a heavy-bodied adult approaching 28 inches in length.\u003c\/p\u003e\n\u003cp\u003eA sand or bare-bottom substrate can both work successfully, provided the aquarium is designed for efficient waste removal. Because large groupers consume substantial amounts of protein-rich food and produce a correspondingly heavy biological load, oversized filtration, vigorous protein skimming, strong biological filtration, and regular aquarium maintenance are particularly important.\u003c\/p\u003e\n\u003cp\u003eModerate water movement and excellent oxygenation are recommended. Rock structures should be exceptionally stable, as a large adult can easily shift loosely positioned decorations while moving through the aquarium.\u003c\/p\u003e\n\u003cp\u003eA secure cover is advisable. Long-term housing should be planned around the adult fish from the beginning rather than the much smaller juvenile commonly encountered in the trade.\u003c\/p\u003e\n\u003ch2\u003eDiet and Feeding\u003c\/h2\u003e\n\u003cp\u003eThe Panther Grouper is a dedicated carnivore that naturally preys on fish and crustaceans. Captive specimens should receive a varied selection of nutritious marine-based foods rather than relying on a single food source.\u003c\/p\u003e\n\u003cp\u003eSuitable foods include mysis shrimp for smaller specimens, krill, chopped shrimp, squid, clam, mussel, scallop, and appropriately sized pieces of marine fish flesh. Quality frozen carnivore blends can also provide useful dietary variety.\u003c\/p\u003e\n\u003cp\u003eJuveniles may require smaller meals more frequently, while established larger specimens can be fed substantial portions several times per week according to body condition. Avoid excessive feeding, as large predatory fish can easily become overfed and contribute heavily to deteriorating water quality.\u003c\/p\u003e\n\u003cp\u003eLive feeder fish are unnecessary and generally should not form part of the routine diet.\u003c\/p\u003e\n\u003ch2\u003eTemperament and Tankmates\u003c\/h2\u003e\n\u003cp\u003eThe Panther Grouper is predatory rather than constantly territorial, but virtually any fish small enough to fit into its mouth should be considered potential prey. Tankmates that appear safe when the grouper is young may become vulnerable as its mouth and body size increase.\u003c\/p\u003e\n\u003cp\u003eChoose large, robust marine fish that cannot be swallowed, such as appropriately sized large angelfish, tangs, triggerfish, larger wrasses, and other compatible predatory species. Individual temperament and aquarium dimensions must still be considered carefully.\u003c\/p\u003e\n\u003cp\u003eOrnamental shrimp and small crabs are particularly vulnerable and should not be housed with this species. Small gobies, blennies, damselfish, clownfish, cardinalfish, and similarly sized community fish may also be consumed.\u003c\/p\u003e\n\u003cp\u003eKeeping one Panther Grouper is the most practical arrangement for most large home aquariums. Multiple large groupers require considerably greater space and careful compatibility planning.\u003c\/p\u003e\n\u003ch2\u003eReef Compatibility\u003c\/h2\u003e\n\u003cp\u003eThe Panther Grouper is not considered reef safe for a typical mixed reef aquarium. Although it does not normally consume healthy coral tissue, its strong predatory instinct makes smaller fish, ornamental shrimp, crabs, and other suitably sized mobile invertebrates potential prey.\u003c\/p\u003e\n\u003cp\u003eA large adult can also disturb unsecured coral colonies and rockwork simply through normal movement and feeding activity. For these reasons, it is much better suited to a large fish-only or fish-only-with-live-rock aquarium than a conventional community reef aquarium.\u003c\/p\u003e\n\u003ch2\u003eWater Parameters\u003c\/h2\u003e\n\u003cp\u003eTemperature: 75–80°F\u003cbr\u003eSpecific Gravity: 1.024–1.026\u003cbr\u003epH: 8.1–8.4\u003cbr\u003eAlkalinity: 8–12 dKH\u003c\/p\u003e\n\u003cp\u003eStable salinity, excellent oxygenation, and consistently low accumulated waste are especially important. Strong filtration and consistent maintenance should take priority over attempting to maintain an exact number within these ranges.\u003c\/p\u003e\n\u003ch2\u003eCommon Considerations\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eExceptional adult size:\u003c\/strong\u003e Adults can reach approximately 28 inches, requiring a genuinely large aquarium for permanent housing.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePredatory behavior:\u003c\/strong\u003e Fish, shrimp, crabs, and other animals small enough to swallow may become prey.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHeavy biological load:\u003c\/strong\u003e Large adults consume substantial quantities of food and require powerful filtration and consistent maintenance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMajor juvenile-to-adult commitment:\u003c\/strong\u003e The small spotted juvenile commonly offered in the aquarium trade develops into a massive, heavy-bodied predator.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTankmate size matters:\u003c\/strong\u003e Compatibility should be planned around the grouper's eventual mouth size, not its size when introduced.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TSA Fish","offers":[{"title":"T","offer_id":52442769621290,"sku":"GROUPERxPanthT","price":43.99,"currency_code":"USD","in_stock":false},{"title":"S","offer_id":52442769654058,"sku":"GROUPERxPanthS","price":46.99,"currency_code":"USD","in_stock":false},{"title":"SM","offer_id":52442769686826,"sku":"GROUPERxPanthSM","price":55.99,"currency_code":"USD","in_stock":false},{"title":"M","offer_id":52442769719594,"sku":"GROUPERxPanthM","price":74.99,"currency_code":"USD","in_stock":false},{"title":"ML","offer_id":52442769752362,"sku":"GROUPERxPanthML","price":89.99,"currency_code":"USD","in_stock":true},{"title":"L","offer_id":52442769785130,"sku":"GROUPERxPanthL","price":110.99,"currency_code":"USD","in_stock":false},{"title":"XL","offer_id":52442769817898,"sku":"GROUPERxPanthX","price":143.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/0873\/7322\/files\/PantherGrouper_dc9659e0-cb5e-4c74-a112-22066bd6232d.png?v=1788205070","url":"https:\/\/topshelfaquatics.com\/products\/panther-grouper-cromileptes-altivelis","provider":"Top Shelf Aquatics ","version":"1.0","type":"link"}