Jurnal Iktiologi Indonesia (Indonesian Journal of Ichthyology)
Vol 19 No 2 (2019): June 2019

Morphologies description of Halmahera epaulette shark endemic species (Hemiscyllium halmahera, Allen & Erdmann, 2013) in North Maluku Sea

Nebuchadnezzar Akbar (Khairun University, Ternate)
Irmalita Tahir (Program Studi Ilmu Kelautan, Fakultas Perikanan dan Kelautan Universitas Khairun, Ternate)
Abdurrachman Baksir (Program Studi Ilmu Kelautan, Fakultas Perikanan dan Kelautan Universitas Khairun, Ternate)
Rustam E Paembonan (Program Studi Ilmu Kelautan, Fakultas Perikanan dan Kelautan Universitas Khairun, Ternate)
Firdaut Ismail (Program Studi Ilmu Kelautan, Fakultas Perikanan dan Kelautan Universitas Khairun, Ternate)



Article Info

Publish Date
27 Jun 2019

Abstract

Halmahera Epaulette Shark (Hemiscyllium halmahera) is an endemic fish in the North Maluku sea. This species was first discovered in two spots of Halmahera waters namely Ternate and Bacan in 2013. Halmahera Epaulette Shark research was continue in Weda and Kao Bay in 2016, 2017 and 2018. Those previous studies, however, did not reveal the morphological description of this species in the other part of the Halmahera Islands. This research was made to enhance the information about this species from the other part of Halmahera waters with a purpose to describe the morphology of Halmahera epaulette shark. The study was carried out in remote areas of Loleo, Tidore, Maitara, Mare, and Lelei Island in 2018. Photos of fish were documented, some meristic and morphometric characters and body weigt were measured. Halmahera epaulette shark has many local names. Observation results showed that many dark brown spots with different patterns and shapes were present with 0.5-1.2 cm in diameter. The total and standard lengths were 40-63 cm and 35-55 cm, respectively. Head length and head width ranged from 7-12 cm and 3-6 cm, respectively. The head height ranged from 9-10 cm. The body circumference of fish ranged between 11-24 cm. Pectoral fins length ranged from 4-6 cm. The dorsal fin length ranged from 5-6 cm. The lower tail length ranged from 4-6 cm. The upper tail length ranged from 4-6 cm. Fish mouth type is subterminal with pointed teeth. Abstrak Hiu berjalan Halmahera (Hemiscyllium halmahera) merupakan biota laut endemik yang terdapat di perairan laut Maluku Utara. Spesies ini pertama kali ditemukan pada tahun 2013 di dua titik di perairan Halmahera yakni Ternate dan Bacan. Penelitian dilanjutkan pada tahun 2016, 2017 dan 2018 di perairan Halmahera yakni Weda dan Teluk Kao. Penelitian tersebut belum mengungkapkan secara lengkap deskripsi morfologis ikan tersebut pada wilayah perairan di Pulau Halmahera lainnya. Tujuan penelitian ini untuk memperoleh data deskripsi morfologis hiu berjalan halmahera. Penelitian ini, dijadikan sebagai data tambahan dari hasil penelitian sebelumnya. Upaya koleksi hiu berjalan dilakukan pada bulan Januari-November tahun 2018 di wilayah perairan Loleo, Tidore, Maitara, Mare dan Lelei. Sampel yang diperoleh difoto, beberapa karakter meristrik, morfometrik, dan bobot tubuh ikan diukur. Ikan ini memiliki banyak nama lokal yang berbeda. Hasil pengamatan menunjukkan bahwa spesies ini memiliki banyak bintik berwarna coklat tua dengan pola ukuran dan bentuk yang berbeda-beda dengan ukuran diameter antara 0,5-1,2 cm. Panjang total tubuh dan panjang standar berkisar antara 40-63 cm dan 35-55 cm. Panjang kepala 7-12 cm; lebar kepala 3-6 cm; tinggi kepala 9-10 cm; lingkar tubuh 11-24 cm. Panjang sirip pektoral 4-6 cm; Panjang sirip dorsal 5-6 cm; panjang ekor bagian bawah 4-6 cm. Panjang ekor bagian atas antara 4-6 cm. Tipe mulut subterminal dengan gigi yang runcing.

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Journal Info

Abbrev

jii

Publisher

Subject

Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology

Description

Aims and Scope Aims: Jurnal Iktiologi Indonesia (Indonesian Journal of Ichthyology) aims to publish original research results on fishes (pisces) in fresh, brackish and sea waters including biology, physiology, and ecology, and their application in the fields of fishing, aquaculture, fisheries ...