Parasit Anisakis sp. Pada Populasi Layur (Trichiurus sp.) yang Didaratkan di Pelabuhan Ikan Cilacap

https://doi.org/10.22146/jfs.35

Suadi Suadi(1*), Senny Helmiati(2), Retno Widaningroem(3)

(1) Jurusan Perikanan, Fakultas Pertanian, Universitas Gadjah Mada
(2) Jurusan Perikanan, Fakultas Pertanian, Universitas Gadjah Mada
(3) Jurusan Perikanan, Fakultas Pertanian, Universitas Gadjah Mada
(*) Corresponding Author

Abstract


The aims of this research were to determine the population parameters of hairtails (Trichiurus sp.) and the potential use of fish parasite (Anisakis sp.) for its stock assessment. Fishery survey was conducted at southern coast of Cilacap, Central Java on September to October 2004. Total length and weight of 527 fish samples were measured in five periods during the field survey and 30 samples were collected randomly for further observation to analyze the Anasakis sp., sex ratio, and gonad maturity. The average length of catched fish was ranged between 62  to 70 cm and weight was 200  to 250 g. The  length-weight (L-W) relationship indicated positive allometric growth (b=3.6076). Sex ratio was balance at 1:1 with gonad maturity range between I to IV for female and I to III for male. Anisakis sp. were found as endoparasite and potentially used as biological tags for fish stock assessment such as migration pattern and feeding habit.

Keywords


Anisakis sp., gonad maturity, hairtails, population parameter, sex ratio

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DOI: https://doi.org/10.22146/jfs.35

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