{"product_id":"japanese-masked-angel-female","title":"Japanese Masked Angel (Female)","description":"\u003ch3 class=\"PDq2pG_selectionAnchorContainer\"\u003eBiosecurity Shipping Limitations apply\u003c\/h3\u003e\n\u003ch4\u003eShipping Allowed?\u003c\/h4\u003e\n\u003ctable style=\"width: 100%; height: 79.3752px;\" width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 49.3739%; height: 19.5938px;\"\u003eTasmania\u003c\/td\u003e\n\u003ctd style=\"width: 50.2683%; height: 19.5938px;\"\u003e\u003cspan style=\"color: #00ff80;\"\u003e\u003cspan style=\"color: #6bb71f;\"\u003eYES\u003c\/span\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 49.3739%; height: 19.5938px;\"\u003eWestern Australia\u003c\/td\u003e\n\u003ctd style=\"width: 50.2683%; height: 19.5938px;\"\u003e\u003cspan style=\"color: #00ff2a;\"\u003e\u003cspan style=\"color: #6bb71f;\"\u003eYES\u003c\/span\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 49.3739%; height: 19.5938px;\"\u003eNorthern Territory\u003c\/td\u003e\n\u003ctd style=\"width: 50.2683%; height: 19.5938px;\"\u003e\u003cspan style=\"color: #ff2a00;\"\u003eNO\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 20.5938px;\"\u003e\n\u003ctd style=\"width: 49.3739%; height: 20.5938px;\"\u003eAll Other States\u003c\/td\u003e\n\u003ctd style=\"width: 50.2683%; height: 20.5938px;\"\u003e\u003cspan style=\"color: #6bb71f;\"\u003eYES\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cspan\u003eJapanese Masked Angel (Genicanthus semifasciatus)\u003c\/span\u003e\u003cspan\u003e, also known as the Japanese Swallowtail Angelfish or Masked Swallowtail Angelfish, is a spectacular marine angelfish prized for its elegant body shape, distinctive markings and peaceful temperament.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUnlike many other angelfish, this species belongs to the genus \u003c\/span\u003e\u003cspan\u003eGenicanthus\u003c\/span\u003e\u003cspan\u003e, a group of predominantly open-water swimming angelfish known for their flowing fins and plankton-feeding behaviour. This makes the Japanese Masked Angel particularly attractive to reef aquarists looking for a larger angelfish that is generally compatible with corals.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eOne of its most interesting characteristics is its dramatic sexual dimorphism, with males and females displaying noticeably different colour patterns.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAppearance and Natural Habitat\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMale Japanese Masked Angels display a yellow-orange face and upper body, with numerous narrow, wavy dark vertical markings across the upper sides. Females have a more subdued grey-brown and white appearance, with distinctive dark markings around the head and tail.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBoth sexes have an elegant, elongated body and a characteristic swallowtail-shaped caudal fin.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eNative to the Western Pacific, this species occurs from southern Japan through Taiwan to the northern Philippines. It inhabits seaward rocky and coral reefs, generally at depths of approximately 15–100 metres.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBehaviour and Temperament\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe Japanese Masked Angel is generally peaceful and spends much of its time swimming in open water above the reef structure, searching for planktonic food.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUnlike many dwarf and large angelfish species, it is not strongly associated with grazing directly on coral surfaces. It is a naturally social species that forms groups consisting of one dominant male and several females.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAn interesting biological characteristic is that it is a protogynous hermaphrodite, meaning individuals initially develop as females and can change sex to become males. In suitable social groups, the largest or dominant female may eventually transition into a male.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAquarium Suitability and Compatibility\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe Japanese Masked Angel is an excellent candidate for larger, established reef aquariums. Its peaceful nature makes it suitable for communities containing tangs, clownfish, anthias, wrasses, gobies and other compatible marine species.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eProvide plenty of open swimming space, good water movement and established live rock for shelter.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAlthough generally peaceful, it may compete with other open-water planktivores for food. Avoid keeping it with highly aggressive angelfish or fish that prevent it from feeding comfortably.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eReef Compatibility\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eOne of the major advantages of the Japanese Masked Angel is its reputation as a reef-safe angelfish.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUnlike many other angelfish, \u003c\/span\u003e\u003cspan\u003eGenicanthus\u003c\/span\u003e\u003cspan\u003e species are specialised planktivores and generally leave corals, clams and other sessile invertebrates alone.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis makes the Japanese Masked Angel an excellent option for aquarists wanting to keep an angelfish in a coral-rich aquarium without the same coral-nipping risks associated with many other angelfish species.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFeeding and Nutrition\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eJapanese Masked Angels are primarily planktivores, feeding on small floating organisms and zooplankton in the water column.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIn captivity, they generally accept a variety of frozen and prepared marine foods.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSuitable foods include:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eFrozen mysis shrimp.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eEnriched brine shrimp.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eCalanus and other zooplankton.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eQuality marine pellets.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eFinely chopped marine seafood.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eSpirulina-enriched marine preparations.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOffer small meals two to three times daily to support their active swimming behaviour and nutritional requirements.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSpecific Care Requirements\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe Japanese Masked Angel is best maintained in a mature marine aquarium with stable water conditions, excellent filtration and sufficient swimming space.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBecause this species naturally inhabits deeper reef environments, it can appreciate shaded areas and moderate lighting, although it should not be kept in an aquarium with inadequate water quality or oxygenation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA secure aquarium cover is recommended, particularly during acclimatisation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWith suitable tankmates, regular feeding and stable water parameters, the Japanese Masked Angel can become a stunning centrepiece in a large marine or reef aquarium.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eQuick Care Guide\u003c\/span\u003e\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\n\u003cp\u003e\u003cspan\u003eCare Requirement\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth\u003e\n\u003cp\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eScientific Name\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eGenicanthus semifasciatus\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eCommon Names\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eJapanese Swallowtail Angel, Japanese Masked Angel\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eFamily\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003ePomacanthidae\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eSouthern Japan, Taiwan and northern Philippines\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eCare Level\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eModerate\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eAdult Size\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eApproximately 21 cm\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eMinimum Aquarium Size\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e500 litres\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eTemperature\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e24–27°C\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003epH\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e8.1–8.4\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eSalinity\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e1.023–1.026 SG\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eDiet\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eOmnivore \/ Planktivore\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eFeeding Frequency\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e2–3 times daily\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eTemperament\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003ePeaceful\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eSwimming Level\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eMiddle and upper water column\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eReef Compatibility\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eReef Safe\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eAquarium Type\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eLarge marine and reef aquariums\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eSocial Behaviour\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eIndividual, pairs or harem groups\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cspan\u003eNote: Aquarium volume is a practical recommendation, with larger systems preferred for adult specimens and groups.\u003c\/span\u003e \u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cspan\u003efishbase.se\u003c\/span\u003e\u003cspan\u003e+3\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eFrequently Asked Questions\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003e1. Is the Japanese Masked Angel reef safe?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eYes. Unlike many angelfish, Japanese Masked Angels are primarily plankton feeders and generally leave corals, clams and other sessile invertebrates alone.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e2. What is the difference between male and female Japanese Masked Angels?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMales have a yellow-orange face and distinctive dark wavy vertical markings across the upper body. Females have a more subdued grey and white appearance with dark markings around the head and tail.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e3. Can Japanese Masked Angels be kept in pairs?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eYes. They can be maintained as compatible pairs or in larger harem groups consisting of one male and several females. Allow sufficient aquarium space and monitor compatibility.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e4. What do Japanese Masked Angels eat?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThey primarily feed on zooplankton. Suitable aquarium foods include mysis shrimp, enriched brine shrimp, calanus, marine pellets and other quality frozen marine foods.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e5. How big does a Japanese Masked Angel grow?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAdults can reach approximately 21 cm in total length. They are active swimmers and need considerably more swimming space than their juvenile size might suggest.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e6. Can Japanese Masked Angels change sex?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eYes. This species is a protogynous hermaphrodite. Individuals initially develop as females and can transition into males when social conditions and dominance hierarchy allow.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eCommon Mistakes\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003e1. \u003c\/span\u003e\u003cspan\u003eKeeping them in undersized aquariums:\u003c\/span\u003e\u003cspan\u003e These are active swimming angelfish that require considerable open swimming space. Plan for their adult size rather than their purchase size.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e2. \u003c\/span\u003e\u003cspan\u003eProviding an inadequate diet:\u003c\/span\u003e\u003cspan\u003e A diet consisting exclusively of flakes or pellets may not provide sufficient variety. Include frozen zooplankton and other nutritious marine foods.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e3. \u003c\/span\u003e\u003cspan\u003eKeeping them with aggressive tankmates:\u003c\/span\u003e\u003cspan\u003e Their peaceful temperament makes them vulnerable to harassment from larger, territorial marine fish.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e4. \u003c\/span\u003e\u003cspan\u003eOverlooking their social behaviour:\u003c\/span\u003e\u003cspan\u003e Males can establish dominance within groups. Carefully plan the introduction of multiple specimens.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e5. \u003c\/span\u003e\u003cspan\u003eInsufficient feeding frequency:\u003c\/span\u003e\u003cspan\u003e As active planktivores, they benefit from multiple smaller meals throughout the day.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e6. \u003c\/span\u003e\u003cspan\u003eIntroducing them into unstable aquariums:\u003c\/span\u003e\u003cspan\u003e Maintain mature biological filtration, consistent salinity and excellent water quality before introduction.\u003c\/span\u003e\u003c\/p\u003e","brand":"Apex Aquatic","offers":[{"title":"Default Title","offer_id":51037519872139,"sku":null,"price":800.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0579\/8353\/3195\/files\/masked.jpg?v=1793674758","url":"https:\/\/apexaquatic.com.au\/products\/japanese-masked-angel-female","provider":"Apex Aquatic","version":"1.0","type":"link"}