Diagnostic Description
provided by Fishbase
With dark spots, especially on rear of body and rear fins (Ref. 4313).Description: Characterized by yellowish or tan color with irregular brown bars and blotches and small brown to reddish spots; ctenoid scales; presence of palatine teeth; absence of occipital pit; no coronal spines; suborbital ridge double to below rear edge of eye, one continuing to preopercular margin; five spines in lacrimal, including 2-3 extending over upper jaw; absent or very small tentacle above eye; depth of body 2.8-2.9 in SL (Ref. 90102).
- Recorder
- Cristina V. Garilao
Morphology
provided by Fishbase
Dorsal spines (total): 12; Dorsal soft rays (total): 9; Analspines: 3; Analsoft rays: 5
- Recorder
- Cristina V. Garilao
Biology
provided by Fishbase
Rare species. Inhabits deeper reefs. Solitary and cryptic, also found in seaward reefs, mainly at oceanic islands (Ref 90102).
- Recorder
- Cristina V. Garilao
分布
provided by The Fish Database of Taiwan
分布於印度洋海域:南非,留尼旺島,聖誕島;西太平洋海域:小笠原群島與新加勒多尼亞。
利用
provided by The Fish Database of Taiwan
除學術研究外,經濟價值不大。
描述
provided by The Fish Database of Taiwan
體中長,側扁,橢圓形。頭大,略側扁。眼較大,上側位,眼球高達頭背緣;口中大,端位,斜裂,上頷骨延伸至眼眶後緣下方。上下頷、鋤骨及腭骨具細齒,鋤骨齒群左右相連呈人字狀。淚骨具5棘,其中有2-3棘延伸超過上頜。下鰓蓋棘被鱗片所覆蓋,無脊。無冠狀棘
(Coronal
spine)。無枕骨凹陷。眼上具不明顯小皮突或消失。側線縱列鱗:50-54。背鰭具硬棘
XII,軟條 9;臀鰭具硬棘
III,軟條5;胸鰭下側位,軟條15-16;腹鰭胸位,具硬棘
I,軟條5;尾鰭圓形。體棕色或黃棕色,體側及各鰭部皆布滿黑色斑點。(李承運、林沛立2012/11編寫)
棲地
provided by The Fish Database of Taiwan
本種棲息於潟湖及珊瑚平台,沙地與珊瑚碎石粒混和地形。具偽裝能力,時常隱藏身體而不容易被發現,藉以守株待兔般快速捕捉過往之小魚與甲殼動物為食,夜行性。背鰭鰭棘下具毒腺,是海中危險生物。