Diagnostic Description
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fornecido por Fishbase
Description: Body white, side pattern network of intersecting diagonal lines, dorsal vertical stripes 3 broad black on posterior of head, and on middle and rear of body, the third one extending from dorsal fin reaching the ventral contour and to anal fin. Snout length 2.7-3.0 in HL. Body depth 1.7-1.9 in SL (Ref. 90102).
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Life Cycle
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Distinct pairing (Ref. 205). Monogamous mating is observed as both obligate and social (Ref. 52884).
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Morphology
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fornecido por Fishbase
Dorsal spines (total): 13 - 14; Dorsal soft rays (total): 21 - 22; Analspines: 3; Analsoft rays: 15 - 16
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Biology
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Inhabit rocky areas and coral reefs. Often in pairs or groups (Ref. 9710). Oviparous (Ref. 205). Form pairs during breeding (Ref. 205).
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- Recorder
- Estelita Emily Capuli
Importance
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fisheries: minor commercial; aquarium: commercial; price category: unknown; price reliability:
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分布
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Inglês
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fornecido por The Fish Database of Taiwan
分布於西太平洋區，包括琉球群島、台灣、中國及菲律賓等海域。台灣各地岩礁及珊湖礁海域皆可見其蹤跡。
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- 臺灣魚類資料庫
利用
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fornecido por The Fish Database of Taiwan
一般以潛水方式捕捉。為觀賞魚類，無食用經濟價值。不挑食，容易存活於水族箱內。
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描述
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fornecido por The Fish Database of Taiwan
體高而呈卵圓形；頭部上方輪廓平直，鼻區處稍內凹。吻尖，但不延長為管狀。前鼻孔具鼻瓣。前鰓蓋緣具細鋸齒；鰓蓋膜與峽部相連。兩頜齒細尖密列，上頜齒4-5列，下頜齒5-6列。體被大型鱗片，菱形，但體後側鱗較小；側線向上陡昇至背鰭第IX棘下方而下降至背鰭基底末緣下方。背鰭單一，硬棘XIII-XIV，軟條22-23；臀鰭硬棘III，軟條22-23。體銀白至灰黃色，體側沿鱗列有交叉之斜走暗紋而形成網狀紋；體側另具三條暗色鞍狀帶，第一條由背鰭第I棘至鰓蓋上部，第二條在體中部，第三條由背鰭硬棘後方及軟條部經尾柄至臀鰭後方；眼帶窄於眼徑，且不延伸至眼下半部；背鰭軟條後緣銀白色，末端具窄黑帶；臀鰭前2/3部位為銀白或黃色，具黑緣；尾鰭中央具寬於眼徑之彎月狀黑橫帶，後端另具黑緣。
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棲地
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fornecido por The Fish Database of Taiwan
棲息於岩礁或珊瑚礁區，成對或小群游動。主要以底棲小生物及藻類為食。
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Chaetodon argentatus
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Inglês
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fornecido por wikipedia EN
Chaetodon argentatus, the Asian butterflyfish, three band butterflyfish or black pearlscaled butterflyfish, is a species of marine ray-finned fish a butterflyfish belonging to the family Chaetodontidae. It is native to the western Pacific Ocean.
Description
Chaetodon argentatus has a silver coloured body which is marked by a mesh of diagonal black lines creating a net like pattern. There are also two black saddle marks with a black vertical band at the rear of the body running from the soft rayed part of the dorsal fin to the equivalent part of the anal fin.[3] There are 13-14 spines and 21-22 soft rays in the dorsal fin while the anal fin contains 3 spines and 15-16 soft rays. This species attains a maximum total length of 20 centimetres (7.9 in).[2]
Distribution
Chaetodon argentatus is found in the Western Pacific where it is distributed from the Ryukyu and Izu Islands of southern Japan south to the northern Philippines and east to Taiwan.[1]
Habitat and biology
Chaetodon argentatus can be found over the outer slopes of coral or rocky reefs and drop-offs. Off southern Japan it lives over rocky areas, but in the more southerly parts of its distribution it has an association with coral reefs. They are typically observed in pairs or small schools.[1] It is an oviparous species which forms pairs to breed.[2] These fish are omnivorous and feed on filamentous algae, crustaceans, worms, sponges, bivalves, soft and stony corals, hydroids and other invertebrates.[3]
Taxonomy
Chaetodon argentatus was first formally described in 1911 by the American ichthyologists Hugh McCormick Smith (1865-1941) and Lewis Radcliffe (1880-1950) with the type locality given as Agojo Point on the Catanduanes Islands off southern Luzon Island in the Philippines.[4] It has hybridised in the wild, off southern Japan, with the crosshatch butterflyfish (Chaetodon xanthurus).[5]
Utilisation
Chaetodon argentatus is uncommon in the aquarium trade outside Japan, although relatively easy to maintain in an aquarium its comparatively muted colouration means it is not as popular as its congeners. [3]
References
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Chaetodon argentatus: Brief Summary
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Inglês
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fornecido por wikipedia EN
Chaetodon argentatus, the Asian butterflyfish, three band butterflyfish or black pearlscaled butterflyfish, is a species of marine ray-finned fish a butterflyfish belonging to the family Chaetodontidae. It is native to the western Pacific Ocean.
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