花斑蛇鲻Saurida undosquamis (Richardson, 1848）為臺灣西南海域拖網漁業數量最豐富的漁獲物之一，近年來漁獲量已經開始急劇下降，因此迫切需要更新漁業參數以進行資源量評估及建立漁業管理方針。在2011年3月至2012年6月間於臺灣西南海域採集花斑蛇鲻尾樣本共計1237尾樣本用於進行漁業生物學之研究。其中804尾尾叉長於85.92至416 mm之間之樣本，用以製作超薄耳石（扁平石）切片作為年齡成長研究。邊緣成長率月變化表明耳石輪紋於每年2月至3月形成一輪。雄魚和雌魚的樣本都有1至8輪之輪紋。使用范氏生長曲線所估計得之成長方程式為雄魚FL = 386.25 × (1- e -0.15 (t-2.06))和雌魚FL = 420.16× (1- e –0.164 (t-1.53))，本研究發現花斑蛇鲻之雌魚比雄魚成長速度較快，且可長至更大之體長。 以范氏成長方程式所推估之成長參數推估之成長效能指標( )為雄魚4.36、雌魚4.46，將信賴區間方法應用於臺灣周邊區域群，結果顯示本實驗之成長效能指標位於周邊海域其他研究成果之成長效能信賴區間內。由生殖腺指數及肝指數月變化顯示花斑蛇鲻之生殖季節在9月至2月間，且每年1月至2月及5月至6月間有兩個補充群加入。依其年齡成長參數及生殖特性顯示花斑蛇鲻為一個成長速度普通且有長生殖季節的物種，可以忍受比其他魚種更高的漁業壓力，但亦發現近年花斑蛇鲻之極限體長與年齡比30年前小，表明我們應降低漁業壓力以確保花斑蛇鲻資源之永續利用。

Saurida undosquamis (Richardson, 1848) is one of most abundant component of trawl fishery captures in the southwestern waters of Taiwan, but they have since decreased dramatically in recent year. Assessment of lizardfish stocks and establishment of fishery management guidelines are urgently needed. A total of 1237 individuals of the Saurida undosquamis, collected in the waters of southwestern Taiwan from March 2011 to June 2012, were using for fisheries biology study. A total of 804 individuals with fork lengths (FL) ranging from 85.92 to 416mm were examined using polished thin sections of otolith (sagittae). Monthly changes in the marginal increments, indicate that ring marks form once a year, from February to March. Male and Female specimens both had 1–8 ring marks. The estimated von Bertalanffy growth curves were male as FL = 386.251 × (1- e –0.15333 (t-2.06)) and that of female as FL =420.158 ×0.16354 (1- e -0.45 (t -1.53)). Our results suggest that females grow faster and grow bigger than males. The Growth performance index (Φ) estimated from von Bertalanffy growth equation (L∞,k) were male as 4.36 and that female as 4.46. we applied simultaneous confidence region (SCR) approach to the set of nearly Taiwan region. The results consider our Φ is in the credible range of growth index.Monthly variations in the gonadosmatic index and hepatosomatic index indicated that the Saurida undosquamis spawned from December to February. Two recruitments per year were found in January to February and April to June. In this study showing that Saurida undosquamis was an grew normaly and had long spawing season specie, with this characteristics they could endure higher fishery pressure than other fish. Although, in our study find that the limit length and age of Saurida undosquamis had smaller than 30 years ago, show that we should decrease the fishing pressure to ensure the sustainable use of this resources

謝 辭..................................................I
摘 要..................................................II
ABSTRACT........................................III
目 次.................................................V
FIGURE OF CONTENTS....................VII
TABLE OF CONTENTS.......................XI
第一節 問題陳述..................................1
第二節 研究目的..................................2
第二章 研究方法與步驟........................4
第一節 採樣設計...............................4
第二節 生物生態學............................4
第三節 年齡成長...............................6
第四節 生殖生物學..........................10
第三章 結果.......................................13
第一節 採樣大小組成.......................13
第二節 年齡成長..............................13
第三節 生殖生物學...........................17
第四章 討論........................................20
第一節 年齡成長..............................20
第二節 生殖生物............................27
第三節 漁業管理上之意涵與建議.....28
參考文獻............................................31

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三、網路
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邵廣昭(2013b) 臺灣底棲魚類資源資料庫http://coatbp.sinica.edu.tw/intro.htm
行政院農委會漁業署網站(2013)。http://www.fa.gov.tw