Dischistodus prosopotaenia (Bleeker 1852)

Description: The true D. prosopotaenia is white-breasted and lacks the large black blotch on upper sides; the yellow-breasted variation with black blotch (Ref. 48636). Juvenile head and body white, vertical bars brown broad, spot large round black with margin yellow. Body depth 2.1-2.3 in SL (Ref. 90102).

Oviparous, distinct pairing during breeding (Ref. 205). Eggs are demersal and adhere to the substrate (Ref. 205). Males guard and aerate the eggs (Ref. 205).

Dorsal spines (total): 13; Dorsal soft rays (total): 14 - 16; Analspines: 2; Analsoft rays: 14 - 15

Occurs inshore (Ref. 75154). Inhabits lagoons and coastal reefs, usually in silty areas (Ref. 4966). Diurnal species (Ref. 113699).

Adults inhabit lagoons and coastal reefs, usually in silty areas (Ref. 4966). The true D. prosopotaenia ranges from Singapore to Sulawesi while the yellow-breasted variant ranges from Irian Jaya to eastern Australia and Vanuatu (Ref. 48636). May be found solitary or in groups (Ref. 90102). Oviparous, distinct pairing during breeding (Ref. 205). Eggs are demersal and adhere to the substrate (Ref. 205). Males guard and aerate the eggs (Ref. 205). Diurnal species (Ref. 113699).

廣泛分布於印度-西太平洋區，由尼古巴群島到萬那度，北至琉球群島，南至澳洲西北部與大堡礁。台灣南部偶可見。

中小型之雀鯛，可食用，一般不為漁獲對象魚。有人將其作觀賞魚之用。

體呈橢圓形而側扁，標準體長為體高之 2.1-2.2倍。唇薄。吻部裸出無鱗。眼中大，上側位。口小，上頜骨末端不及眼前緣；齒二列。眶下骨及眶前骨間無缺刻；僅前鰓蓋骨和眶下骨後緣皆具鋸齒。體被櫛鱗；側線之有孔鱗片16-17個。背鰭單一，軟條部不延長而略呈角形，硬棘XIII，軟條 14-15；臀鰭硬棘II，軟條13-14；胸鰭鰭條16-18；尾鰭叉形，上下葉末端略呈圓形。體呈黃褐色，腹面偏白；體側中部具一寬橫帶；鰓蓋上緣具無黑點；胸鰭基底上緣具黑點；各鱗具藍色斑點及垂直線紋。稚魚在背鰭基底的中心上具一個眼狀斑。

主要棲息於潟湖與岸礁區，通常在發現於淤泥的區域。

Dischistodus prosopotaenia, also known as honey-head damsel and honey-breast damsel, is a species of damselfish. It is native to the eastern Indian Ocean and western Pacific. It reaches up to 17 centimetres (6.7 in) in length. The fish usually has a white breast, but there is a yellow-breasted variant that also has a black blotch on each side. The fish lives in lagoons and reefs.