頁籤選單縮合
題 名 | Feeding Habit and Diel Rhythm of Juvenile Thornfish, Terapon jarbua=花身雞魚(Terapon jarbua)稚魚之攝食習性與其日夜週期性 |
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作 者 | 黃寶貴; 傅民祺; | 書刊名 | 臺灣水產學會刊 |
卷 期 | 22:1 1995.03[民84.03] |
頁 次 | 頁83-90 |
分類號 | 387.105 |
關鍵詞 | 攝食周期; 餌料組成; 野生稚魚; Daily feeding rhythms; Diet composition; Juvenile thornfish; |
語 文 | 英文(English) |
中文摘要 | 本實驗連續五天日夜不同時段採集體長介於10.55 mm至31.55 mm的野生花身雞魚(Terapon jarbua)稚魚,記錄各時段之胃內容量變化與主要餌料在魚胃內的出現頻率。其胃容量╱體重(SCW/BW)的比值從凌晨4:00的2.45%開始上升,在14:00達到最高峰,即9.93%而後開始下降;具有規則的日夜變動趨勢。並且以橈足類(Copepods)為主要食物來源,魚胃內的出現頻率高達83.09%,並與其胃容量╱體重的比值有相似的日夜變動趨勢。 |
英文摘要 | Juvenile thornfish (Terapon jarbua) were collected at intervals of two hours for a 108-hour period from July 1 to 5, 1993. Stomachs with contents were weighed, and food items were analyzed to determine their feeding rhythm. There was a stereotypical diurnal feeding rhythm with the maximum (peak) in the afternoon (14:00) and the minimum (cmpty stomach) in the night before sunrise. Copepods were the most dominant prey (83.09% of occurrence frequency), which was followed by chlorophytes (29.44%) and decapods (24.10%). The frequency of occurrence of copepods corresponded with the feeding rhythm. |
本系統中英文摘要資訊取自各篇刊載內容。