在臺灣西南海域裡,櫻花蝦最愛窩在高屏和枋寮海底峽谷頭部附近,也就是東港外海(Lee et al., 2004)。
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紅線內為櫻花蝦的發現地點,(修改自Omori, 1988)。
目前櫻花蝦為什麼對生活在高屏和枋寮海底峽谷頭部附近情有獨鍾,至今還沒有明確結論。可能是因為東北側有陸地阻擋了東北季風進入,以及高屏溪、東港溪、林邊溪、率芒溪、枋山溪和楓港溪等河水匯入造成多變的海洋環境(lee et al., 2004),峽谷頭部內複雜的湧升流使底部含有豐富營養鹽的冷水湧到表層(Chiou et al., 2011),尤其高屏溪是把來自陸上富含營養鹽的沈積物直接輸送到高屏海底峽谷(Chiang and Yu, 2010; Chiou et al., 2000)。豐富的營養鹽引來浮游生物,浮游生物則引來櫻花蝦在此聚居。
高屏海底峽谷頭部承接高屏溪河口(Chiang and Yu, 2010)
但是,櫻花蝦不是固定在某一地點生活,受到不同因素影響,春夏季時牠們會在北邊一點,秋冬時則往南邊一點,因此漁場也隨著季節改變(Lee et al., 2004)。
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