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Genicanthus semifasciatus occurs at depths between 15 and 200 metres (49 and 656 ft). [1] Here it can be found on the seaward sides of rocky and coral reefs. This species is protogynously hermaphroditic and is normally encountered in harems consisting of a male and several females. [2] It feeds on plankton in the water column. [3]
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 was first formally described in 1997 as Holocanthus semifasciatus by the American ichthyologist Richard L. Pyle with the type locality given as Ani-jima, Mansakunohama in the Ogasawara Islands of Japan. [5] The specific name honours the discoverer of this species, the Japanese diver Hiroshi Takeuchi. [6]
Pages in category "Genicanthus" The following 21 pages are in this category, out of 21 total. ... Genicanthus semifasciatus; Genicanthus spinus; Spotbreast angelfish;
The larger species are also quite bold and seemingly fearless; they are known to approach divers. While the majority adapts easily to captive life, some are specialist feeders which are difficult to maintain. Feeding habits can be strictly defined through genus, with Genicanthus species feeding on zooplankton and Centropyge preferring ...
Genicanthus semifasciatus: Yes: Black and tan striped back with yellow blaze beginning at the mouth and tapering off towards the centre of the side, with light blueish grey underside. Has distinctively shaped tail resembling that of a swallow. 21 cm (8.3 in) [18] Yellowtail angelfish: Apolemichthys xanthurus: No: 15 cm (5.9 in) [19]
Sequential hermaphroditism (called dichogamy in botany) is one of the two types of hermaphroditism, the other type being simultaneous hermaphroditism.It occurs when the organism's sex changes at some point in its life. [1]