Life Cycle
provided by Fishbase
Exhibit ovoviparity (aplacental viviparity), with embryos feeding initially on yolk, then receiving additional nourishment from the mother by indirect absorption of uterine fluid enriched with mucus, fat or protein through specialised structures (Ref. 50449).
Trophic Strategy
provided by Fishbase
Found on sandy-mud bottoms. Feeds on small benthic animals. Also in Ref. 9137.
- Recorder
- Drina Sta. Iglesia
Biology
provided by Fishbase
Found near shore on sandy-mud bottoms (Ref. 11230, 30573). Reported to occur offshore (Ref. 58784). Feeds on small benthic animals. Ovoviviparous (Ref. 50449). Males mature at ca. 55 cm TL. Produces litters of 1-14 pups (Ref. 114953). The best edible fish in the family, served in raw slices or hard boiled with seasonings (Ref. 637). Dried fins used for shark-fin soup (Ref. 30573).
Importance
provided by Fishbase
fisheries: commercial
分布
provided by The Fish Database of Taiwan
分布於西太平洋,由韓國至菲律賓海域。除了東部外,臺灣各地均可發現。
利用
provided by The Fish Database of Taiwan
本種體型較小,主要漁法為底拖網,夏季產量較多,肉質佳,可作生魚片或煮食等不同料理。常見,產量不大。
描述
provided by The Fish Database of Taiwan
體扁平,體盤近於三角形,長度大於寬度;背部中央線之顆粒狀突起僅存痕跡。吻長而鈍尖,吻長約為體盤長之0.2-0.25倍。眼間隔窄,小於眼徑。口平橫,有唇褶,口裂長為口前吻長之0.28-0.30倍;牙小,排列為鋪石狀,兩頜牙均相同。胸鰭窄,腹鰭靠近胸鰭,尾縱扁,不具下葉。體表被小盾鱗。背面棕色,無斑紋;吻側及腹部色淡;吻的前部腹面上有暗色斑。
棲地
provided by The Fish Database of Taiwan
暖溫性近海底棲魚類。以底棲小魚及無脊椎動物為食,平常大半時間會將自己半埋於沙土中,或在底層緩慢游泳,活動力不強。雄性有細長之交接器;卵胎生,一胎約10隻。