Korean Journal of Ichthyology (한국어류학회지)

The Ichthyological Society of Korea (한국어류학회)
권호 표지

Feeding Habits of Hippocampus mohnikei in an Eelgrass (Zostera marina) Bed

동대만 잘피밭에 서식하는 산호해마의 식성

  • Received : 2008.04.28
  • Accepted : 2008.06.22
  • Published : 2008.06.30
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Abstract

Feeding habits of Hippocampus mohnikei (4.1~10.4 cm SL) collected from an eelgrass bed in Dongdae Bay, Korea were studied. H. mohnikei was a carnivore fish which consumed mainly gammarid amphipods. Its diets also included a small amount of caprellid amphipods, tanaids, copepods, mysids, and eelgrass. Gammarid amphipods were the most important prey organisms to the diet of all size classes of H. mohnikei despite smaller H. mohnikei (<4.5 cm SL) fed copepods. H. mohnikei fed on larger sizes of prey as their size increased. The dietary breadth of H. mohnikei were decreased with increasing their size.

2005년 1월부터 2005년 12월까지 동대만의 잘피밭에서 채집된 산호해마(4.1~10.4 cm SL)의 식성을 조사하였다. 산호해마의 주요 먹이는 옆새우류였으며, 그 외, 카프렐라류, 주걱벌레붙이류, 요각류, 곤쟁이류 및 잘피 등을 소량 섭식하였다. 산호해마는 모든 체장에서 옆새우류를 주로 섭식하였으며, 작은 크기(<4.5 cm SL)에서는 요각류도 섭식하였다. 또한 성장함에 따라 섭식하는 먹이생물의 크기는 증가하였으나, dietary breadth는 서서히 감소하는 양상이었다.

Keywords

References

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