{"product_id":"geometric-pygmy-hawkfish","title":"Geometric Pygmy Hawkfish","description":"\u003cp\u003e\u003cspan\u003eThe Geometric Pygmy Hawkfish (\u003c\/span\u003e\u003cem\u003e\u003cspan\u003ePlectranthias inermis\u003c\/span\u003e\u003c\/em\u003e\u003cspan\u003e), also known as the Geometric Pygmy Perchlet or Highfin Perchlet, is a captivating saltwater fish admired for its intricate coloration, distinctive dorsal fin, and charming personality. Its compact body features an attractive pattern of reddish-orange geometric patches against a creamy white background, complemented by striking green eyes and an elongated dorsal fin spine. Despite its common name, this species is actually a perchlet rather than a true hawkfish, although its appearance and perching behavior closely resemble those of its hawkfish relatives.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eNative to the Indo-Pacific, including Indonesia, the Philippines, Papua New Guinea, Fiji, Christmas Island, and Mauritius, this species inhabits deeper coral reefs, rocky slopes, and rubble-covered areas. It spends much of its time resting among coral branches, beneath ledges, or within sheltered crevices, occasionally darting into the open to capture passing planktonic prey. Its unusual appearance and watchful behavior make it a fascinating addition to established marine aquariums.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWith its small adult size, generally peaceful temperament, and excellent compatibility with corals, the Geometric Pygmy Hawkfish is particularly desirable for established nano reef aquariums and peaceful fish-only systems. Although initially shy, it often becomes more visible as it settles into its surroundings, selecting favorite perches from which to observe aquarium activity.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eQuick Care Guide\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCare Level:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Easy to Moderate\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eMinimum Tank Size:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 30 Gallons\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eTemperament:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Peaceful\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eDiet:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Carnivore \/ Planktivore\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eReef Safe:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e With Caution\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eRegion:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Indo-Pacific, Indonesia, Philippines, Papua New Guinea, Fiji, Christmas Island, and Mauritius\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eScientific Name:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003cem\u003e\u003cspan\u003ePlectranthias inermis\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eTank Requirements\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe Geometric Pygmy Hawkfish thrives in a mature, well-established saltwater aquarium featuring abundant live rock, sheltered crevices, and numerous elevated perching locations. Its relatively small adult size of approximately 2 inches makes it suitable for smaller reef aquariums, provided adequate territory and stable water conditions are maintained.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA minimum aquarium size of 30 gallons is recommended for long-term housing. Larger systems offer additional stability and more opportunities to create the sheltered rock structures this species prefers.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eArrange live rock to provide caves, overhangs, shaded recesses, and branching structures where the fish can retreat when startled. This species naturally inhabits deeper reef environments and often prefers areas protected from intense lighting and excessive water movement.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eModerate water circulation is suitable, although calmer areas around rockwork should be available for comfortable resting and feeding. A sandy or fine crushed coral substrate is appropriate, but substrate type is less important than providing adequate rocky shelter.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA securely fitted aquarium lid or mesh cover is recommended, as this small fish may jump when startled. Maintaining a peaceful environment with minimal competition for hiding spaces encourages natural behavior and helps the fish become more comfortable in the aquarium.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eDiet and Feeding\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe Geometric Pygmy Hawkfish is a carnivore and planktivore that naturally feeds on small zooplankton, copepods, and other tiny marine crustaceans drifting near reef structures. It is an opportunistic feeder that often waits near a sheltered perch before darting outward to capture passing prey.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIn captivity, provide a varied diet of appropriately sized, protein-rich marine foods, including:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eFrozen mysis shrimp, finely chopped when necessary\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eVitamin-enriched brine shrimp\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eFrozen copepods and other zooplankton\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eFinely chopped marine shrimp\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSmall frozen carnivore blends\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eHigh-quality small marine pellets when accepted\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eFeed once or twice daily, offering small portions appropriate for its compact mouth and body size. Newly introduced specimens may be hesitant to feed in open areas and often respond better when food is delivered near their preferred hiding locations.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBecause this species may initially be shy, ensure that faster or more assertive tankmates do not consume all available food before it has an opportunity to feed.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA mature aquarium with a healthy population of copepods and other natural microorganisms can provide supplemental nutrition, although regular prepared feedings remain essential.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eTemperament and Tankmates\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe Geometric Pygmy Hawkfish is generally peaceful, somewhat shy, and well suited for carefully planned marine community aquariums. Unlike many true hawkfish, it typically displays a more reserved temperament and prefers to spend much of its time among rockwork rather than actively defending large territories.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis species may initially remain concealed after introduction, especially in brightly lit aquariums or systems containing highly active fish. With time and consistent feeding, it often becomes more confident and may establish several favorite perches throughout the aquarium.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSuitable tankmates include peaceful clownfish, cardinalfish, firefish, small peaceful wrasses, and other nonaggressive marine fish that will not intimidate or outcompete it for food.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAlthough usually peaceful toward unrelated species, the Geometric Pygmy Hawkfish may display territorial behavior toward other small perchlets or similarly sized bottom-dwelling fish, particularly when hiding spaces are limited.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eKeeping a single specimen is generally recommended. Multiple individuals may compete for territory unless maintained in a sufficiently spacious aquarium with carefully established compatibility.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAvoid aggressive dottybacks, larger hawkfish, predatory groupers, and other assertive species that may harass, intimidate, or consume this small fish.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eReef Compatibility\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe Geometric Pygmy Hawkfish is considered \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ereef safe with caution\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. It does not naturally feed on coral tissue and is generally compatible with established reef aquariums containing SPS corals, LPS corals, soft corals, zoanthids, and other sessile invertebrates.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIts primary consideration in reef environments is its natural appetite for small crustaceans. Very small ornamental shrimp, newly introduced juvenile shrimp, and tiny mobile invertebrates may occasionally be considered prey.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLarger established cleaner shrimp and other appropriately sized ornamental invertebrates are generally less vulnerable, although individual behavior can vary.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis species may rest on coral branches or rocky structures while observing its surroundings. Its small size generally minimizes disturbance to healthy coral colonies, although particularly delicate corals may temporarily retract their polyps when contacted.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWith appropriate tankmate selection, adequate rockwork, and consistent feeding, the Geometric Pygmy Hawkfish can make an excellent addition to a peaceful reef aquarium.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eWater Parameters\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eTemperature:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 75–80°F\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eSpecific Gravity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 1.024–1.026\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003epH:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 8.1–8.4\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eAlkalinity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 8–12 dKH\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe Geometric Pygmy Hawkfish benefits from stable marine water conditions, efficient filtration, and consistent aquarium maintenance. Because this species naturally inhabits deeper reef environments, adequate oxygenation and avoidance of prolonged elevated temperatures are particularly important.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMaintain stable salinity, temperature, and pH while avoiding sudden fluctuations. Consistent water quality is more beneficial than frequently adjusting parameters to achieve exact numerical targets.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eCommon Considerations\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSmall Adult Size:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Reaches approximately 2 inches in length, making it well suited for established reef aquariums of at least 30 gallons.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eShy Acclimation Behavior:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e May remain hidden during its first several days or longer in a new aquarium. Plenty of sheltered rockwork and peaceful tankmates help encourage confidence.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePredatory Toward Tiny Crustaceans:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Generally compatible with corals but may consume very small ornamental shrimp and other vulnerable marine invertebrates.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDistinctive Perching Behavior:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Frequently rests beneath ledges, among coral branches, or on elevated rockwork while watching for passing food.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eFeeding Competition:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e May be outcompeted by aggressive or fast-feeding tankmates. Offering appropriately sized foods near its preferred shelter helps ensure adequate nutrition.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TSA Fish","offers":[{"title":"-","offer_id":50905247711530,"sku":"ANTxPyg","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/0873\/7322\/files\/Geometric-Pygmy-Hawkfish.png?v=1792434512","url":"https:\/\/topshelfaquatics.com\/products\/geometric-pygmy-hawkfish","provider":"Top Shelf Aquatics","version":"1.0","type":"link"}