Diagnostic Description
provided by Fishbase
Dark bar on caudal peduncle and on caudal base (Ref. 2798).
- Recorder
- Cristina V. Garilao
Morphology
provided by Fishbase
Dorsal spines (total): 5; Dorsal soft rays (total): 9; Analspines: 1; Analsoft rays: 9
- Recorder
- Cristina V. Garilao
Biology
provided by Fishbase
Inhabits shallow estuaries with freshwater run-off or lower reaches of rivers on mud banks. Small groups were observed sitting on the bottom as tides were coming in, quickly diving into the mud when approached (Ref. 48637).
- Recorder
- Cristina V. Garilao
分布
provided by The Fish Database of Taiwan
西印度洋方面,包括莫三比克的Ibo
Island與南非的納塔爾。西北太平洋,包括日本。臺灣發現於東北部,為新紀錄種。
利用
provided by The Fish Database of Taiwan
偶見魚種,不具漁業價值。
描述
provided by The Fish Database of Taiwan
第1背鰭:Ⅵ;第2背鰭:Ⅰ/ 9;胸鰭:18;腹鰭:Ⅰ/
5。縱列鱗 29;橫列鱗
9;背鰭前鱗8。體延長,前部亞圓筒形,後部側扁;背緣與腹緣平直;尾柄長大於尾柄高。頭長為體長1/3。吻短圓鈍。眼上側位,眼前具斜紋,頰部具縱帶。口斜裂,上頜骨可達眼前緣下方。鰓蓋有一斜斑塊。腹鰭呈吸盤狀。體呈灰白色,體背具5個碎斑群結合之斑塊;體側中部有5個圓斑,並散布紅褐色斑點;腹部白色,具點狀細點紋細線及3-4個黑色的小圓斑。第一背鰭基部有紅赭色暗帶。第二背鰭下部有1~2條紅色橫帶;臀鰭基部有一紅色橫紋;胸鰭基部有2條黑色短紋。尾鰭基部有一半月形黑斑,鰭膜具數條垂直向的點狀紋。(林沛立編寫
2012/10)
棲地
provided by The Fish Database of Taiwan
喜好棲息於河口半淡鹹水域、港灣、潟湖或沿岸的海域中,但不曾出現在純淡水域中。肉食性魚類,以小型無脊椎動物為食。