Distribution Patterns and Abundance of Halmahera Walking Shark (Hemiscyllium halmahera) in Weda Bay North Maluku, Indonesia

  • Mu’min Mu’min Program Studi Ilmu Kelautan, Fakultas Perikanan dan Kelautan Universitas Khairun
  • Nebuchadnezzar Akbar Program Studi Ilmu Kelautan, Fakultas Perikanan dan Kelautan Universitas Khairun
  • Abdurrachman Baksir Program Studi Ilmu Kelautan, Fakultas Perikanan dan Kelautan Universitas Khairun
  • Irmalita Tahir Program Studi Ilmu Kelautan, Fakultas Perikanan dan Kelautan Universitas Khairun
  • Rommy M. Abdullah Program Studi Ilmu Kelautan, Fakultas Perikanan dan Kelautan Universitas Khairun
  • Yunita Ramili Program Studi Ilmu Kelautan, Fakultas Perikanan dan Kelautan Universitas Khairun
  • Firdaut Ismail Program Studi Ilmu Kelautan, Fakultas Perikanan dan Kelautan Universitas Khairun
  • Rustam E Paembonan Program Studi Ilmu Kelautan, Fakultas Perikanan dan Kelautan Universitas Khairun
  • Ikbal Marus Program Studi Ilmu Kelautan, Fakultas Perikanan dan Kelautan Universitas Khairun
  • Eko S Wibowo Program Studi Ilmu Kelautan, Fakultas Perikanan dan Kelautan Universitas Khairun
  • Hawis Madduppa Departemen Ilmu dan Teknologi Kelautan, Fakultas Perikanan dan Ilmu Kelautan. Institut Pertanian Bogor.
  • Beginer Subhan Departemen Ilmu dan Teknologi Kelautan, Fakultas Perikanan dan Ilmu Kelautan. Institut Pertanian Bogor.
  • Iswandi Wahab Fakultas Perikanan dan Ilmu Kelautan. Universitas Pasifik Morotai

Abstract

The Halmahera walking shark is a nocturnal species that lives at the bottom of waters and is a species endemic to North Maluku. Weda Bay is one of the largest bays on the island of Halmahera and contains marine resources and high diversity. The aims research was analyze the distribution pattern and abundance of Halmahera walking shark at that location. The research was conducted in September - November 2020. The sampling in Weda Bay, is carried out in two methods, (1) catch of nets with a mesh size of 2,5 cm stretched from the mangrove ecosystem, seagrass to coral reefs with a length of ± 50 meters and a height of 1,5 meters, (2) hand sampling equipment namely the sample catch it by hand with transect area (50x50m2) or 0,25 ha using basic diving equipment (snorkeling) to a depth of 3 meters at high tide in the night. Distribution pattern data analysis used Morisita Index and abundance analysis used reef fish abundance equation. Results the research found 28 individuals, namely 17 females and 11 males. There are 2 distribution patterns of the Halmahera epaullette shark, namely Grouping and Random. The clustered distribution pattern is found at stations 1, 2 and 4, while the random distribution pattern is found at station 3. Overall the distribution pattern of the Halmahera walking shark in Weda Bay is grouped. The highest abundance of Halmahera walkingshark was at station 1, namely 17,33 ind/ha and the lowest abundance at stations 3 and 4 was 5,33 ind/ha. The highest abundance is at station 1, this is because the habitat is still very good from the mangrove, seagrass and coral reef ecosystems to find food and the growth of the Halmahera walking shark.

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How to Cite
MU’MIN, Mu’min et al. Distribution Patterns and Abundance of Halmahera Walking Shark (Hemiscyllium halmahera) in Weda Bay North Maluku, Indonesia. JURNAL SUMBERDAYA AKUATIK INDOPASIFIK, [S.l.], v. 5, n. 2, p. 145-156, may 2021. ISSN 2550-0929. Available at: <https://ejournalfpikunipa.ac.id/index.php/JSAI/article/view/128>. Date accessed: 14 june 2021. doi: https://doi.org/10.46252/jsai-fpik-unipa.2021.Vol.5.No.2.128.
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Keywords:
Abudance, distribution patterns, endemic, Halmahera walking shark, Weda bay
Published
2021-05-14
Section
Research Articles