Korean Journal of Environment and Ecology (한국환경생태학회지)

Korean Society of Environment and Ecology (한국환경생태학회)
권호 표지
DOI QR코드

DOI QR Code

Spawning Season and Growth of Korean Dark Sleeper, Odontobutis platycephala in Jaho Stream, Korea

자호천에 서식하는 한국고유종 동사리(Odontobutis platycephala)의 산란시기와 성장

  • 변화근 (서원대학교 생물교육과)
  • Received : 2023.10.06
  • Accepted : 2024.02.21
  • Published : 2024.04.30
Download PDF
⟨ Previous Next ⟩

Abstract

This study investigated the ecological characteristics of Odontobutis platycephala at Jaho stream from January to December 2022. The riverbed structure of the species' habitat was rich in cobble and pebble. The water was deep, ranging from 22 to 153 cm, with an average of 64 cm, and the stream velocity was rapid at 0.89 (0.42-1.46) m/sec. The ratio of females to males was 1:1.02, and the total length of collected individuals ranged from 38 to 156 mm. The age according to the total length frequency distribution as of May indicated that the group with a total length of 38-69 mm was one year old, the group with 60-99 mm was two years old, the group with 100-139 mm was three years old, and the group 140-156 mm was four years or older. As a secondary gender characteristic, the genital papilla was cylindrical in females and cone-shaped with a pointed tip in males. Some females with a length ranging from 60 to 69 mm and all females 70 mm or longer were sexually mature. Some males with a length ranging from 70 to 79 mm and all males 80 mm or longer were sexually mature. The spawning season was from May to July, and the water temperature was between 17 ℃ and 28 ℃ during that period. The prosperous spawning season was June (24 ℃). The average number of eggs in the ovaries was 988 (284-2,722) per mature female, and the mature eggs were yellowish and spherical with a mean diameter of 1.46 (1.19-1.71) mm. The correlation between total length and body weight is BW=0.00000006TL3.12 with the constant a as 0.00000006 and the parameter b as 3.12. The mean condition factor (K) was 1.44 (0.96-2.26), and the slope was negative at -0.0007

동사리(Odontobutis platycephala)의 생태적 특징을 연구하기 위해 2022년 1월부터 2022년 12월까지 자호천에서 조사를 실시하였다. 본 종의 서식지 하상구조는 작은돌(cobble)과 조약돌(pebble)이 풍부하였다. 수심은 평균 64(22~153)cm로 깊었으며, 유속이 0.89(0.42~1.46)m/sec로 빨랐다. 암수 성비는 1 : 1.02 이었고, 채집된 개체의 전장범위는 38mm에서 156mm 이었다. 전장빈도분포도에 따른 연령은 5월 기준 전장이 38~69mm는 만 1년생, 70~99mm는 만 2년생, 100~139mm는 만 3년생, 140~156mm는 만 4년생 이상으로 추정되었다. 2차성징으로 생식적 유두(genital papilla)는 암컷의 경우 원통형 모양이며 수컷은 끝이 뾰족하여 원뿔 모양이었다. 암컷의 경우 60~69mm에서 일부 개체만 성적성숙을 하였고 70mm 이상이면 모두 성적성숙을 하였다. 수컷은 70~79mm에 해당하는 개체 중 일부만 성적성숙을 하였고 80mm 이상에서 모두 성적성숙이 이루어졌다. 산란시기는 5월부터 시작되어 7월에 끝났으며(수온 17~28℃) 산란 성기는 6월로 추정되었다(수온 24℃). 포란수는 평균 988(284~2,722)개 이었고 성숙란은 짙은 노란색 구형으로 직경이 1.46(1.19~1.71)mm 이었다. 전장-체중과의 상관관계식은 BW=0.00000006TL3.12로 상수 a는 0.00000006를, 매개변수 b는 3.12 이었다. 비만도 지수는 평균 K=1.44(0.96~2.26) 이었고 기울기(Slope)는 -0.0007로 음의 값을 나타내었다.

Keywords

References

  1. Anderson, R.O. and S.J. Gutreuter(1983) Length weight and associated structural indices. L. A. Johnson. Fisheries techniques. American Fisheries Society. Betheda, Maryland, pp. 283-300.
  2. Anderson, R.O. and R.M. Neumann(1996) Length, weight and associated structural indices. Pages 447-482 in B.R. Murphy and D.W. Willis, editor. Fisheries Techniques, 2nd edition. American, pp. 447-482.
  3. Bagenal, T.(1978) Methods for assessment of fish production in fresh waters. Blackwell Scientific, pp. 48-11.
  4. Byeon, H.K.(2022) Ecological characteristics of Korean dark sleeper, Odontobutis interrupta in Geumdang stream, Korea. Korean Journal of Environment and Ecology 37: 86-93. (in Korean with English abstract) https://doi.org/10.13047/KJEE.2023.37.1.86
  5. Chae, B.S., H.B. Song and J.Y. Park(2019) A field guide to freshwater fish of Korean. LG Evergeen Foundation, 355pp. (in Korean)
  6. Choi, S.S. and Y.U. Na(2000) The spawning behavior and egg development of Odontobutis interrupta Iwata and Jeon, 1985. Korean Journal of Environmental Bioiogy 18: 323-330. (in Korean with English abstract)
  7. Cummins, K.W.(1962) An evolution of some techniques for the collection and analysis of benthic samples with special emphasis on lotic waters. The Amercan Midland Naturlist 67: 477-504. https://doi.org/10.2307/2422722
  8. Ecoutin, J.M., J.J. Albert and S. Trape(2005) Length-weight relationships for fish populations of a relatively undisturbed tropical estuary: The Gambia. Fisheries Research 72: 347-351. https://doi.org/10.1016/j.fishres.2004.10.007
  9. Iwata, A., S.R. Jeon, N. Mizuno and K.C. Choi(1985) A revision of the electric Goby Genus Odontobutis in Japan, Korea and China. Japanese Journal of Ichthyology 31: 373-388.
  10. Iwata, A., S.R. Jeon, N. Mizuno and K.C. Choi(1988a) Embryonic development of a gobiid fish, Odontobutis platycephala. Korean Journal of Limnology 21: 25-32. (in Korean with English abstract)
  11. Iwata, A., S.R. Jeon, N. Mizuno and K.C. Choi(1988b) Larval development of a gobiid fish, Odontobutis obscura obscura in comparison with that of Odontobutis obscura intererrupta and Odontobutis obscura platycephala. Japanese Journal of Ichthyology 35: 371-381. https://doi.org/10.1007/BF02938436
  12. Jeon, S.R.(1999) First record of the Odontobutis platycephala (Gobioidei : Odontobutdae) from Songcheon-river. Sang Myung University Journal of Science 12: 1-5. (in Korean with English abstract)
  13. Kawanabe, H. and N. Mizuno(1991) Freshwater fishes of Japan. Yama-Kei, Tokyo, 719pp. (in Japanese)
  14. Ki, J.S., S.O. Jung, D.S. Hwang, Y.M. Lee and J.S. Lee(2008) Unusual mitochondrial genome structure of the freshwater goby Odontobutis platycephala: Rearrangement of tRNAs and an additional non-coding region. Journal of Fish Biology 73: 414-428. https://doi.org/10.1111/j.1095-8649.2008.01911.x
  15. Kim, I.S. and B.J. Kim(1996) Breeding Habits and egg development of the goby, Micropercops swinhonis. Korean Journal of Ecology 19: 477-486. (in Korean with English abstract)
  16. Kim, I.S.(1997) Illustrated encyclopedia of fauna & flora of Korean Vol. 37 Freshwater Fishes. Ministry of Education, 518pp. (in Korean)
  17. Kim, I.S., Y. Choi, C.L. Lee, Y.J. Lee, B.J. Kim and J.H, Kim(2005) Illustrated book of Korean fishes. Kyo-Hak, 615pp. (in Korean)
  18. Kim, M.S., S.H. Baek, H.Y. Kim, S.Y. Kim, K.I. Geong, M.J. Kweon and B.S. Ha(1998) Comparison of carotenoid pigments of dark sleeper, Odontobutis odontobutis interrupta in the family Eleotridae. Korean Journal of Society Food Science and Nutrition 27: 813-820. (in Korean with English abstract)
  19. Kwater(2007) A guidebook of river in South Korea. Kwater, Daejeon, 582pp. (in Korean)
  20. Lee, G.Y.(1986) Karyotypes of the family Gobiidae fishes in Korea (I). Korean Journal of Limnology 19: 49-58. (in Korean with English abstract)
  21. Lee, W.K.(1998) Annual reproductive cycle and changes in plasma levels of sex steroid hormones of the female Korean dark sleeper, Odontobutis platycephala (Iwata et Jeon). Korean Journal of Fish Society 31: 599-607. (in Korean with English abstract)
  22. Miller, P.J.(1986) Reproductive biology and systematic problems in Gbioidei fishes. Indo-Pacific Fish Biology, pp. 640-647.
  23. Miyadi, D., H. Kawanabe and N. Mizuno(1976) Colored illustrations of the freshwater fishes of Japan. Hoikusha, Osaka, 462pp. (in Japanese)
  24. Nowak, M., W. Popek, W. Jagusiak, S. Deptula, J. Popek, K. Tatoj, K. Kleczar and P. Epler(2009) Weight-length relationships for three fishes (Leuciscus leuciscus, Phoxinus phoxinus, Salmo trutta) from the Strwiaz River (Dniester River drainage). Arch. Pol. Fish. 17: 313-316.
  25. Park, G.M. and H.B. Song(2006) Karyotypes of five species in Odontobutidae and Cottidae of Korea. Korean Journal of Ichthyology 18: 155-162.
  26. Sakai, H., A. Iwata and S.R. Jeon(1993) Genetic evidence supporting the existence of three distinct species in the genus Odontobutis (Gobiidae) from Japan and Korea. Japan Journal of Ichthyology 40: 61-64.
  27. Sakai, H., S. R. Jeon, H. Tsujii and A. Iwata(1996) An electrophoretic study of genetic differentiation in Korean Odontobutis. Korean Journal of limnology 29: 1-7. (in Korean with English abstract)
  28. Sohn, W.M. and B.K. Na(2018) Morphological characteristics and hosts of isoparorchis sp. (Digenea: Isoparorchiidae) in Korea. Korean Journal of Parasites, Hosts and Diseases 56: 501-507. (in Korean with English abstract) https://doi.org/10.3347/kjp.2018.56.5.501