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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. Known commonly as swallowtail or lyretail angelfish, these fishes are so-named for the distinctive shape of their tailfins.
Genicanthus semicinctus like the other angelfishes in the genus Genicanthus, shows sexual dichromatism, the males and females show differences in colour and pattern.The males are marked with thin close-set wavy black, vertical bars which run from the back to two-thirds down the flanks with the lower third of the body being yellowish-orange.
Genicanthus takeuchii, like the other angelfishes in the genus Genicanthus, shows sexual dichromatism, the males and females show differences in colour and pattern.The male is greyish white on the upper body with six to eight horizontal stripes, while the lower body is pale white.
Genicanthus bellus is found at depths between 25 and 100 metres (82 and 328 ft). [1] Here it lives on deep reefs, frequently in areas which are swept by strong currents on the outer drop offs. [ 2 ] It is a sociable species which lives in schools, within these there are harems of 3–7 fish, although the mating system has been described as ...
Genicanthus melanospilos is found at depths between 20 and 80 metres (66 and 262 ft). [1] It occurs in areas rich in coral on the outer slopes of reefs and drop-offs. Adults are normally organised as small harems made up of a male and several f
[2] [3] Most marine angelfishes restrict themselves to the shallows of the reef, seldom venturing deeper than 50 m (160 ft). The recently described Centropyge abei is known to inhabit depths of 150 m (490 ft). They are diurnal animals, hiding amongst the nooks and crevices of the reef by night.
Genicanthus watanabei, like the other angelfishes in the genus Genicanthus, shows sexual dichromatism, the males and females show differences in colour and pattern.The males are pale blue to bluish-grey on the upper third of their bodies with the lower two thirds having 8 horizontal, thin black stripes, the highest of these end in a patch of yellow colour.
Genicanthus spinus Is found on rock and coral reefs at depths between 30 and 60 metres (98 and 197 ft) (at least). it is normally encountered in groups that swim high in the water column, these are harems of 1 male and as many as 4 females. They feed mostly on zooplankton but may eat some benthic invertebrates. [2]