Larval Development of Philyra pisum De Haan, 1841(Crustacea: Decapoda: Leucosiidae)Reared in the Laboratory

밤게(갑각강: 십각목: 밤게과)의 유생발생

  • 고현숙 (부산여자대학교 자연대 생물학과)
  • Published : 1996.06.01

Abstract

The complete larval development of Philyra pisum De Hann, 1841 from hatching to the megalopal stage was obtained by culture in the laboratory. Two zoeal and one megalopal stages are described and illustrated . The frist zoea of the present species is very similar to those of other two Philyra species except for the reduced carapace spines. The first zoeae belonging to the subfamily Philyrinae can be divided into two groups based on the zoeal characteristics: the first group is composed of Arcania septemspinosa, A. undecimspinosa elongata, and Myra fugax, whereas the second group is composed of Philyra corallicola, P. syndactyla, and P. pisum.

실험실에서 사육된 밤게의 유생은 2조에아 유생기와 1메가로파 유생기를 가졌고, 조 에아 유생기를 완전발생 시키는데 $25^{\circ}C$ 수온에서 최저 11일이 걸렸다. 각 유생기의 형태적 특징을 상세히 기재 및 도시하였다. 밤게의 제1조에아 유생은 갑각에 아주 짧은 액극을 가 지고 배극이 없다는 것을 제외하고는 그 외의 모든 특징에서 이미 알려진 밤게 속의 다른 유생과 잘 일치하고 있었다. 밤게가 속하고 있는 subfamily Philyrinae의 조에아 유생은 그 특징에 의거 Arcania septemspinosa, A. undecimspinosa elongata, 긴손밤게(Myra fugax)을 포함한 군과 Philyra corallicola, 납작손밤게(P. syndactyla), 밤게(P. pisum)을 포함한 군으 로 나눌 수 있다.

Keywords

References

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