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頁籤選單縮合
題名 | The Development of Visual Ability During the Early Stages of Silver Bream, Sparus sarba=黃錫鯛仔稚魚視覺能力之發育 |
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作者姓名(中文) | 黃寶貴; 胡其湘; | 書刊名 | 臺灣水產學會刊 |
卷期 | 18:2 1991.06[民80.06] |
頁次 | 頁97-103 |
分類號 | 387.101 |
關鍵詞 | 仔稚魚; 發育; 視覺能力; 黃錫鯛; |
語文 | 英文(English) |
中文摘要 | 為探討黃錫鯛在早期發育階段之視覺能力,本實驗利用網膜組織切片測定其錐細胞之密度,並利用亮暗馴適(light- and dark-adaptation)以比較其網膜黑色素之移動,並測度眼徑與水晶體直徑之變化。實驗結果顯示四者((1)錐細胞密度,(2)黑色素反應,(3)水晶體直徑,(4)眼徑)之發育,均在魚體長 8-12 mm時呈顯著變化,此時魚齡約為35-40天。因此,黃錫鯛仔稚魚可能在體長為8-12 mm,即35-40天時為其變態期(metamorphosis),並由仔魚發育為稚魚,且具有功能完整的視覺能力。 |
英文摘要 | In order to investigate the development of visual ability of silver bream (Sparus sarba) during early stages, the eye-size, lens-size, retinal acuity and pigment index were measured. The results showed that all these four parameters demonstrated a significant change when they grew up with the total length at the range of 8-12 mm, at the age of 35-40 days old. It is likely that the individual of 8-12 mm or 35-40 days old was developing from larval stage to juvenile stage with the well functioning vision. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。