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FISHING GROUND, CACTH COMPOSITION, HOOK RATE AND LENGTH DISTRIBUTION OF BILLFISHES CAUGHT BY TUNA LONG LINE IN INDIAN OCEAN (Ind.Fish.Res.J. Vol.19 No. 2 December 2013)

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Billfishes area by cacth of tuna long line vessels in Indian Ocean. Billfish are consist of swordfish Xiphiasgladius, black marlin Makairaindica, indo facific blue marlin Makairamazara, stripe marlin Tetrapturusaudax, indo facific sailfish Istiophorus platypterusand shortbill spearfish Tetrapturusangustirostris. Besides that, billfishes also have important economic value compared with tuna as an exsported species such as swordfish and marlin. To optimize the catch of billfishes in Indian Ocean, data and information of potential fishing ground, size and catch composition of this species are needed. The billfishes cacth composition collected in 2011 were dominated by 45% swordfish, 20% black marlin, 19% blue marlin,9% short bill spearfish, 6% sailfish and 1%stripe marlin. The billfishes size range which were caught between 60 - 280 cm LJFL (Lower Jaw Fork Length). The sword fish average length was 150 cm, blue marlin 197 cm, black Marlin 189 cm, sailfish 150cm ,short bill spearfish 144 cm and stripe marlin159 cm. From this observation, it was found that most of billfishes caught were in mature.

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Availability

B1801865

Koleksi Digital

Archivelago Indonesia Marine Library - Perpustakaan Kementerian Kelautan dan Perikanan

Available

Detail Information

Series Title

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Call Number

Koleksi Digital

Publisher

2013 : KKP-Badan Penelitian dan Pengembangan Kelautan dan Perikanan., Jakarta

Collation

85-97 hlm.

Language

Indonesia

ISBN/ISSN

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Classification

NONE

Content Type

-

Media Type

-

Carrier Type

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Edition

Vol.19 No. 2 December 2013

Subject(s)

Alat Tangkap Ikan
Local Content
Publikasi Internal
Pancing Rawai Tuna (Tuna Longline)
Karya Ilmiah
Fishing Ground Conflict
Artikel Ilmiah
Indian Ocean
Billfish

Specific Detail Info

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Statement of Responsibility

Ind. Fish. Res. J.

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