Korean Journal of Ichthyology (한국어류학회지)

The Ichthyological Society of Korea (한국어류학회)
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Description of Morphology and Osteology of the Slender Ribbonfish, Trachipterus ishikawae Jordan & Snyder, 1901

투라치, Trachipterus ishikawae Jordan & Snyder, 1901의 형태 및 골격

  • Han, Kyeong-Ho (Department of Fisheries Sciences, Chonnam National University) ;
  • Lee, Seong-Hoon (Department of Fishery, Marine, Industry, Tourism, and Leisure, Chonnam National University) ;
  • Kim, Chun-Cheol (Ocean & Fisheries Science Institute Western Departments, Resources Management Section) ;
  • Yu, Tae-Sik (Department of Fisheries Sciences, Chonnam National University)
  • 한경호 (전남대학교 수산과학과) ;
  • 이성훈 (전남대학교 수산해양산업관광레저융합학과) ;
  • 김춘철 (전라남도 해양수산과학원 서부지부 자원조성과) ;
  • 유태식 (전남대학교 수산과학과)
  • Received : 2020.06.05
  • Accepted : 2020.07.03
  • Published : 2020.09.30
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Abstract

Morphology and osteology of the slender ribbonfish, Trachipterus ishikawae was described and figured in detail. The morphological characteristics are as follow: body elongate and compressed; upper jaw protrusile; tubercles along ventral edge of body and tail; eyes are large; body naked; caudal fin long and at a right angle to the body; from (3~4)+(7~8) gill rakers; from 180 to 185 dorsal fin rays, from 12 to 13 pectoral fin rays; 9 caudal fin rays and 5+2 short spine at caudal spine. The osteological characteristics are as follow: premaxillary is long and has four teeth; dentary is triangle shape; interopercle and subopercle are wide and flat; 5 branchiostegal rays; post clavicle is thin and long; from 79 to 80 centrum; posterior vertebrae elongate; 5~6 tubercles at urostyle bone.

이 연구는 투라치의 형태 및 골격 관찰을 위해 2017년에 여수시 돌산도와 부산에서 채집한 3개체를 대상으로 외부형태를 관찰하고 내부 골격을 삶아 채골하여 관찰하였다. 형태적 특징은 다음과 같다. 몸은 길고 측편되어 있었고, 위턱은 앞으로 돌출됐다. 체색은 은백색을 띠고 있었고, 눈은 크며, 가슴지느러미와 꼬리지느러미는 등쪽으로 향해 있었다. 작은 돌기들이 배쪽에 머리 뒤부터 꼬리까지 있었다. 새파 수는 (3~4)+(7~8)개였다. 등지느러미 줄기는 185~190개였고, 가슴지느러미는 12~13개, 꼬리지느러미에는 9개의 연조와, 5+2개의 짧은 극조가 있었다. 골격 특징은 다음과 같다. 주상악골은 길고 4개의 이빨이 있었다. 치골은 삼각형 모양이었고, 간새개골과 하새개골은 크고 넓었으며, 5개의 새조골이 있었다. 후쇄골은 가늘고 길게 발달 되어있었다. 척추골은 79~80개였고, 후방 추골은 길었으며, 미부봉상골에는 5~6개의 돌기가 있었다.

Keywords

References

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