Phylum: Chordata 脊索動物門
Class: Actinopterygii 輻鰭魚綱
Family: Pomacentridae 雀鯛科
Scientific name: Dascyllus aruanus
Chinese name: 三帶圓雀鯛
Author: (Linnaeus, 1758)
Max. Size: 10 cm
Description: Whitetail dascyllus; White tailed damselfish; Three-stripe damsel; White-tailed damselfish; Zebra humbug; White-tailed footballer; Threestripe damselfish; White tailed damsel; Banded humbug; Black and white damselfish; Humbug dascyllus; Humbug damselfish
俗名: 三間雀、厚殼仔
形態特徵: 體呈圓形而側扁,標準體長為體高之1.5-1.7倍。吻短而鈍圓。口中型;兩頜齒小而呈圓錐狀,靠外緣之齒列漸大且齒端背側有不規則之絨毛帶。眶前骨具鱗,眶下骨具鱗,下緣具鋸齒;前鰓蓋骨後緣多少呈鋸齒。體被櫛鱗;側線之有孔鱗片15-19個。鰓耙數23-24。背鰭單一,軟條部不延長而呈角形,硬棘XII,軟條11-13;臀鰭硬棘II,軟條11-13;胸鰭鰭條17-19;尾鰭叉形,上下葉末端略呈圓形。體呈白色,體側具 3條黑色橫帶;在吻部與眶間骨間的頭背部上具一個大的褐色斑點;唇暗色或白色的;尾鰭灰白;腹鰭黑色;胸鰭透明。 通常會在鹿角珊瑚叢的上方形成大群魚群或者在孤立的珊瑚頂部上面形成較小群魚群。具強烈的領域性。
資料來自:台灣魚類資料庫
攝影日期: 2010/08/15
攝影地點: Kenting,紅柴港
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