| Yellowhead butterflyfish | |
|---|---|
 | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Acanthuriformes |
| Family: | Chaetodontidae |
| Genus: | Chaetodon |
| Subgenus: | Chaetodon (Rabdophorus) |
| Species: | C. xanthocephalus |
| Binomial name | |
| Chaetodon xanthocephalus E. T. Bennett, 1833 | |
| Synonyms [2] | |
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Chaetodon xanthocephalus, known commonly as the Yellowhead butterflyfish, is a species of marine fish in the family Chaetodontidae. It is found in the Indian Ocean.
The yellowhead butterflyfish has a pearly white body with a golden-yellow band of colour on the head, along the dorsal and ventral parts of the body and on the fins. The white is broken by greyish blue chevrons. [3] It has a short black vertical bar running through the eyes and a thin yellow line on the rear of the operculum. The orange dorsal and anal fins have light blackmarks on their lower rear parts and yellow margins. [4] The caudal fin is light grey also edged in yellow. The dorsal fin contains 13-14 spines and 21-26 soft rays while the anal fin has 3 spines and 21-23 soft rays. The yellowhead butterflyfish attains a maximum total length of 20 centimetres (7.9 in). [2]
The yellowhead butterflyfish is widespread throughout the tropical waters of the Indian Ocean. It occurs from Somalia to Durban in South Africa and Madagascar, east as far as Sri Lanka, western Thailand and northwestern Sumatra. [1]
The yellowhead butterflyfish is found at depths between 1 and 30m. Usually solitary, but may form loose shoals of 5-6 individuals and usually found around isolated coral heads. Territorial and aggressive to other chaetodonts; omnivorous. They form pairs for breeding [2] and the females swell up when ready to spawn, the eggs are scattered into the water and the male fertilises them. The spherical eggs float and after what is probably a period of 28-30 hours they hatch. After hatching the larvae develops a bony plate over its head, these larvae are called tholichthys, and they are pelagic for quite a long period. They slowly mature into juveniles. It is the tholichthys phase of their life cycle that makes it so difficult to breed butterflyfish in captivity. [4]
The yellowhead butterflyfish was first formally described in 1833 by the English naturalist Edward Turner Bennett (1797–1836) with the type locality given as Ceylon. [5] It belongs to the large subgenus Rabdophorus which might warrant recognition as a distinct genus. [6] It has been recorded hybridising with saddle butterflyfish (C. ephippium). [2]
The reef butterflyfish. also known as the least butterflyfish, Atlantic butterflyfish, butterbun or school mistress, is a species of marine ray-finned fish, a butterflyfish of the family Chaetodontidae. It is found in the western Atlantic Ocean.
The teardrop butterflyfish is a species of marine ray-finned fish, a butterflyfish belonging to the (family Chaetodontidae. It is found in the Indo-Pacific region.
The chevron butterflyfish, also known as chevroned butterflyfish, triangulate butterflyfish or V-lined butterflyfish, is a species of marine ray-finned fish, a butterflyfish belonging to the family Chaetodontidae. It has a wide Indo-Pacific distribution.
The saddle butterflyfish is a species of marine ray-finned fish, a butterflyfish belonging to the family Chaetodontidae. It is found in the Indian and Pacific Oceans from Sri Lanka and the Cocos-Keeling Islands to the Hawaiian, Marquesan and Tuamotu islands, north to southern Japan, south to Rowley Shoals and New South Wales in Australia.
The dotted butterflyfish is a species of marine ray-finned fish. a butterflyfish belonging to the family Chaetodontidae. It is found in the Indian Ocean and Pacific Ocean.
The mirror butterflyfish or oval-spot butterflyfish is a species of butterflyfish. It is found in the Indo-Pacific region from Indonesia to Japan and south to the Great Barrier Reef and Papua New Guinea. The species has also been reported from Madagascar, Mauritius and Réunion.
The scrawled butterflyfish, also known as Meyer's butterflyfish or the maypole butterflyfish, is a species of marine ray-finned fish, a butterflyfish belonging to the family Chaetodontidae. It is found in the Indian and Pacific Oceans.
The eight-banded Butterflyfish, also known as the eightband butterflyfish or eight-striped butterflyfish, is a species of marine ray-finned fish, a butterflyfish belonging to the family Chaetodontidae. It is found in the Indo-Pacific region where it is associated with reefs.
The peppered butterflyfish is a species marine ray-finned fish, a butterflyfish from the. It is found in the Indian Ocean.
The latticed butterflyfish, also known as Raffles’ coralfish, is a species of marine ray-finned fish, a butterflyfish belonging to the family Chaetodontidae. It is found in the Indo-Pacific region.
The Yellow-dotted Butterflyfish is a poorly known marine ray-finned fish species, a butterflyfish belonging to the family Chaetodontidae. It is found in the Indi-Western Pacific Region.
Chaetodon falcula, the blackwedged butterflyfish or falcula butterflyfish, is a species of marine ray-finned fish a butterflyfish belonging to the family Chaetodontidae. It is found in the Indian Ocean.
Chaetodon pictus, the horseshoe butterflyfish, is a species of marine ray-finned fish, a butterflyfish belonging to the family Chaetodontidae. This species is found in the Red Sea, the Gulf of Aden and around Oman.
Chaetodon auripes, the oriental butterflyfish, is a species of marine ray-finned fish, a butterflyfish belonging to the family Chaetodontidae. It is found in the western Pacific Ocean off Eastern Asia.
The mailed butterflyfish, also known as the reticulated butterflyfish or black butterflyfish, is a species of marine ray-finned fish, a butterflyfish belonging to the family Chaetodontidae, This species is found on reefs in the central and western Pacific Ocean. It can be found in the aquarium trade.
Chaetodon pelewensis, the dot dash butterflyfish, spotbanded butterflyfish or punctato butterflyfish, is a species of marine ray-finned fish, a butterflyfish belonging to the family Chaetodontidae. It is found in the western Pacific Ocean.
Chaetodon wiebeli, commonly known as the Hong Kong butterflyfish, Wiebel's butterflyfish or blackcap butterflyfish, is a species of marine ray-finned fish, a butterflyfish belonging to the family Chaetodontidae. It is native to the Western Pacific Ocean.
Chaetodon plebeius, the blueblotch butterflyfish, bluespot butterflyfish, bluedash butterflyfish or grey-blotched butterflyfish, is a species of marine ray-finned fish, a butterflyfish belonging to the family Chaetodontidae. It is native to the Indian and Pacific Oceans.
Chaetodon gardineri, Gardiner's butterflyfish, is a species of marine ray-finned fish, a butterflyfish belonging to the family Chaetodontidae. It is native to the Indian Ocean.
Chaetodon rainfordi, Rainfords's butterflyfish, also known as the gold-barred butterflyfish or the Northern butterflyfish, is a species of marine ray-finned fish, a butterflyfish, belonging to the family Chaetodontidae. It is found in the southwestern Pacific Ocean where it is associated with coral reefs.
