The fluctuation in the abundance and species composition of fish was investigated using gape net in Dolsan District of Yeosu Korea from July 2015 to April 2016. A total of 1,331 fishes were sampled and classified into 30 orders, 42 families, and 53 species. The dominant orders are Perciformes including 21 famailies and 24 species, followed by Scorpaeniformes including 7 families and 13 species, and Clueiformes including 6 families and 6 species. Among the 53 fish species collected, Engraulis japonicus was the most frequent species occupying 43.5%, followed by Argyrosomus argentatus (23.8%), and Leiognathus nuchalis (22.4%). The monthly diversity, evenness, and richness index were 1.83-2.90, 0.76-0.95 and 3.06-6.40.

• 김기택(전남대학교 수산과학과) | Kee-Taek KIM (Department of Aqualife Science, Chonnam National University, Yeosu 59626, Korea)
• 한경호(전남대학교 수산과학과) | Kyung-Ho HAN (Department of Aqualife Science, Chonnam National University, Yeosu 59626, Korea) Corresponding author
• 이성훈(전남대학교 수산과학과) | Sung-Hoon LEE (Department of Aqualife Science, Chonnam National University, Yeosu 59626, Korea)
• 윤병일(전남대학교 수산과학과) | Byeong-Il YOUN (Department of Aqualife Science, Chonnam National University, Yeosu 59626, Korea)