Chaetodon speculum Cuvier 1831

Description: Body color is bright yellow to orange-yellow with a big black blotch on the upper posterior portion of the trunk and a vertical black bar running through the eye (Ref. 4855). Snout length 2.9-3.3 in HL. Body depth 1.4-1.6 in SL (Ref. 90102).

Distinct pairing (Ref. 205). Monogamous mating is observed as both obligate and social (Ref. 52884).

Dorsal spines (total): 14; Dorsal soft rays (total): 17 - 18; Analspines: 3; Analsoft rays: 15 - 16

Occurs inshore (Ref. 75154). Usually solitary and relatively uncommon. Feeds on coral polyps and invertebrates (Ref. 9710). A shy fish which always retreats to shelter when approached.

In coastal reef slopes rich with hydroids and anemones. Small juveniles secretive in coral thickets (Ref. 48636). Usually solitary and relatively uncommon. Feed on coral polyps and invertebrates (Ref. 9710). Oviparous (Ref. 205), monogamous (Ref. 52884). Form pairs during breeding (Ref. 205).

fisheries: minor commercial; aquarium: commercial; price category: unknown; price reliability:

分布於印度-太平洋區，自印尼至馬貴斯群島，北可自日本南部，南至澳洲大堡礁，有報告指出亦產於馬達加斯加島。台灣各地岩礁及珊湖礁海域皆可見其蹤跡。

一般以潛水方式捕捉。為觀賞魚類，無食用經濟價值。

體高而呈卵圓形；頭部上方輪廓微凸起，鼻區處凹陷。吻微突出。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8-12列，下頜齒具8-11列。體被中型鱗片；側線向上陡昇至背鰭第X-XI棘下方而下降至背鰭基底末緣下方。背鰭單一，硬棘XIV，軟條17；臀鰭硬棘III，軟條16。體與各鰭黃色；尾鰭後部白色；頭部具約等於眼徑之黑眼帶，向下延伸至腹緣；背鰭中央下方之體側具一的與頭長相等之黑斑；體側在每一鱗列上具淡色水平條紋。

棲息於清澈且珊瑚叢生的海域。生性害羞。常獨居，或成對但彼此相距一段距離。以無脊椎動物和珊瑚蟲為食。