擬鱸科Pinguipedidae，目前的分類地位屬於條鰭魚綱，新鰭魚亞綱，鱸形目，鱷鱚亞目。目前鱷鱚亞目內部各科科內及各科之間的關係尚有爭議，而擬鱸科是否應包含Cheimarrichthys尚具爭議。因此本研究著手建立親緣關係以逐步協助解決這些問題。臺灣產的擬鱸科共有擬鱸屬Parapercis與高知鱸屬Kochichtys。本研究分別使用骨骼形質特徵及粒線體的16S rRNA和Cyt b基因序列，對臺灣產的擬鱸科進行親緣關係分析。
結果顯示擬鱸屬為單系群與目前的分類相符。歸納所有分析結果，認為可以將本研究擬鱸屬的17個種類，分為以下四群，分別為(1) Parapercis aurantiaca、P. decemfasciata、P. mimaseana、P. multifasciata、P. muronis、P. sexfasciata的兩種形態型；(2) P. cephalopunctata、P. clathrata、P. hexophthalma、P. kamoharai、P. tetracantha、P. xanthozona；(3) P. cylindrica和 P. snyderi；(4) P. maculata、P. ommatura、P. somaliensis。擬鱸屬中的六橫斑擬鱸P. sexfasciata具有兩種形態型，不論在形態還是分子序列上均存在差異。骨骼特徵發現Kochichthys的專有裔徵也出現在擬鱸屬的其中三種，證實兩者有近親關係，但質疑前者目前屬的地位。分類上有爭議的Cheimarrichthys應歸在原本的Cheimarrichthyidae而非擬鱸科。擬鱸科的姊妹群可能為同亞目的Cheimarrichthyidae的假說，並未獲得全面的支持。而形態與分子及不同分析方法，所得到的結果不完全相同，顯示需要進行更多資料分析，才能得到完整且可信度高的結果。從本研究的結果推測鱷鱚亞目可能並非單系群。

Family Pinguipedidae belong to the class Actinopterygii, subclass Neopterygii, order Perciformes, suborder Trachinoidei. Currently the interrelationships of the genera within this family and among the families in the Trachinoidei remain unequivocal. Also, whether the Cheimarrichthys should be included in the family Pinguipedidae has also been a controversial issue. This study aimed to reconstruct phylogenetic hypotheses in order to resolve these questions. Species of the Parapercis and Kochichtys in the family Pinguipedidae occur Taiwan. This study used osteological characters, 16S rRNA and Cyt b sequences to conduct phylogenetic analysis such that hypotheses can be proposed.
The results revealed the monophyly of Parapercis, a taxonomic view consistent to the prevailary classification. Summarizing all the results, the 17 Parapercis species analysed can be divided into 4 groups. They are (1) Parapercis aurantiaca、P. decemfasciata、P. mimaseana、P. multifasciata、P. muronis、two morphotypes of P. sexfasciata；(2) P. cephalopunctata、P. clathrata、P. hexophthalma、P. kamoharai、P. tetracantha、P. xanthozona；(3) P. cylindrica and P. snyderi；(4) P. maculata、P. ommatura and P. somaliensis. Two color morphotypes have been shown for Parapercis sexfasciata. Data of the present study revealed that the “ autapomorphic” osteological character known only in Kochichtys also occurred in three Parapercis species. This result supports a close relationship between these species. However, it also challenges the validity of the generic status of Kochichtys. About the dabate of the phylogenetic position of Cheimarrichthys, it should be put into its own family, Cheimarichthyide, rather than placed in the Pinguipedidae. The hypothesis for the sister group of Pinguipedidae to the Cheimarichthyide is not supported by all the data in this study completely. Morphological and molecular evidences are incongruence for closest phylogenetic relationship. Similar results were also obtained when the molecular sequences were analysed using different methods. More data analyses are needed for complete and reliable results. The present study suggests that the Trachinoidei is not a monophyletic group.

中文摘要......................................................................................................................i
英文摘要......................................................................................................................ii
目錄.............................................................................................................................iii
表目錄.........................................................................................................................iv
圖目錄..........................................................................................................................v
前言..............................................................................................................................1
材料與方法.................................................................................................................11
結果.............................................................................................................................16
討論.............................................................................................................................31
結論.............................................................................................................................41
參考文獻.....................................................................................................................42表.................................................................................................................................49
圖.................................................................................................................................68
附錄...........................................................................................................................100

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