Genicanthus

Genicanthus is a genus of marine angelfishes in the family Pomacanthidae. Known commonly as swallowtail or lyretail angelfish, these fishes are so-named for the distinctive shape of their tailfins. This genus of angels, in comparison to the other species found in hobby aquaria, are a good choice for beginners as they do not get nearly as large as some of the others. Another unique attribute is that swallowtail angels will tolerate each other and can be kept in pairs or as a single male with a harem, though it is typically best to add them to a tank at the same time. If added on by one, the angel which is added first may become aggressively territorial towards any new additions. Unlike others in the family Pomocanthidae, the angelfish species in the genus Genicanthus are generally considered to be reef safe.[1] Also unlike most other members of the Pomacanthidae, those in Genicanthus are sexually dimorphic, meaning males and females are easily distinguishable. Fish in this species possess a small mouth relative to its size. This small mouth is well adapted for feeding on plankton in the water column. As planktivores, members of Genicanthus generally will not nip corals and sessile invertebrates.

Genicanthus
Blackstriped angelfish
Scientific classification
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Genicanthus

Lacepède, 1802
Species

See text.

Species

ImageScientific nameCommon nameDistribution
Genicanthus bellus Randall, 1975.Ornate angelfish,western Pacific and eastern Indian Ocean
Genicanthus caudovittatus (Günther, 1860).Zebra angelfish,waters of Madagascar, the Maldives, Mauritius and Réunion, and is also known in Weh Island
Genicanthus lamarcki (Lacépède, 1802).Blackstriped angelfish, Lamarck's angelfish,tropical waters of the Indo-West Pacific
Genicanthus melanospilos (Bleeker, 1857).Spotbreast angelfish,Indo-Malayan region to the southwestern Pacific Ocean and from the Ryukyu Islands to New Caledonia and Fiji.
Genicanthus personatus Randall, 1975.Masked angelfish,the Hawaiian Islands
Genicanthus semicinctus (Waite, 1900).Halfbanded angelfish,from Lord Howe Island (Australia) and the Kermadec Islands (New Zealand) in the south-western Pacific Ocean
Genicanthus semifasciatus (Kamohara, 1934).Japanese swallowtail angelfish,Western Pacific
Genicanthus spinus Randall, 1975.Pitcairn angelfish,Eastern Pacific: Cook Islands to Ducie Atoll
Genicanthus takeuchii Pyle, 1997.Spotted angelfish,Northwest Pacific: Marcus Island and the Ogasawara Islands
Genicanthus watanabei (Yasuda & Tominaga, 1970).Blackedged angelfish,West-central Pacific: Taiwan to the Tuamotu Islands, north to Ryukyu Islands, south to New Caledonia and the Austral Islands; Marianas and Marshalls in Micronesia.

References

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