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Genicanthus - Wikipedia

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Genicanthus

Blackstriped angelfish
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Acanthuriformes
Family:	Pomacanthidae
Genus:	Genicanthus Swainson, 1839^[1]
Type species
Holacanthus lamarck Lacepède, 1802^[1]
Species
See text.

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.^[2] 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.

The name of this genus means “thorn cheek”, a reference to the spines on the rear margin of the operculum, a feature common to all angelfish.^[3]

Species

The following species are classified under the genus Genicanthus:^[4]

Scientific name	Common name	Distribution
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 lamarck (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 swallow,	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

^ ^a ^b Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Genera in the family Pomacanthidae". Catalog of Fishes. California Academy of Sciences. Retrieved 13 February 2021.
^ Reefkeeping.com
^ Christopher Scharpf & Kenneth J. Lazara (21 July 2020). "Order ACANTHURIFORMES (part 1): Families LOBOTIDAE, POMACANTHIDAE, DREPANEIDAE and CHAETODONTIDAE". The ETYFish Project Fish Name Etymology Database. Christopher Scharpf and Kenneth J. Lazara. Retrieved 13 February 2021.
^ Froese, Rainer; Pauly, Daniel (eds.). "Species in genus Genicanthus". FishBase. December 2019 version.

Taxon identifiers
Genicanthus	Wikidata: Q1453243 Wikispecies: Genicanthus ADW: Genicanthus AFD: Genicanthus BOLD: 47255 CoL: 4MSG GBIF: 2396451 iNaturalist: 88464 IRMNG: 1042093 ITIS: 169638 NCBI: 109911 NZOR: cbcff36a-6692-4cd7-88fe-70608f469b70 Open Tree of Life: 176193 uBio: 115880 WoRMS: 206678

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