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New record of a sea star, Henricia perforata(Asteroidea: Spinulosida: Echinasteridae), in the East Sea, Korea

  • Ubagan, Michael Dadole (Department of Animal Biotechnology & Resource and Marine Biological Resource Institute, Sahmyook University) ;
  • Shin, Sook (Department of Animal Biotechnology & Resource and Marine Biological Resource Institute, Sahmyook University)
  • Received : 2020.07.09
  • Accepted : 2020.08.27
  • Published : 2020.09.30

Abstract

Sea stars were collected from the adjacent waters of Jukbyeon and Jumunjin, Korea, using fishing nets at depths of 70-100 m. The specimens were identified as Henricia perforata (O.F. Müller, 1776) in the family Echinasteridae and order Spinulosida, with worldwide species distribution. H. perforata can be distinguished from some morphologically related Henricia species by its long, slender, and pointed adambulacral spines. The abactinal skeleton of H. perforata has wide papular areas resembling those of H. pachyderma, but the former has more papulae (two to seven). Previously, two genera of Echinasteridae, Aleutihenricia and Henricia, with a total of 12 echinasterid species, have been reported in Korea. The morphological characteristics of H. perforata are described and photographs are provided.

Keywords

References

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