Sains Malaysiana 38(1): 39-46(2009)

Species Description and Distribution of Strombus (Mollusca, Strombidae)

in Johor Straits and its Surrounding Areas

(Pemerihalan Spesies dan Taburan Strombus (Mollusca, Strombidae)

di Selat Johor dan Kawasan Sekitarnya)

Zaidi Che Cob*, Aziz Arshad**, Japar Sidik Bujang** & Mazlan Abdul Ghaffar

Pusat Pengajian Sains Sekitaran dan Sumber Alam

Fakulti Sains dan Teknologi, Universiti Kebangsaan Malaysia

43600 Bangi, Selangor, Malaysia.

**Department of Biology, Faculty of Science

Universiti Putra Malaysia, 43400 UPM, Serdang

Selangor, Malaysia.

Received: 30 January 2008 / Accepted: 28 April 2008

ABSTRACT

A total of 230 individuals of Strombus were sampled at various locations along the Johor Straits, Malaysia. There were four species of Strombus present in the study areas i.e. Strombus canarium Linnaeus, 1758; Strombus urceus Linnaeus, 1758; Strombus marginatus subspecies succinctus Linnaeus, 1767; Strombus marginatus subspecies robustus Sowerby, 1874; and Strombus vittatus subspecies vittatus Linnaeus, 1758. Strombus canarium was the most common, widely distributed and most abundant, followed by S. urceus, while the others were only rarely found. Among the species Strombus marginatus and Strombus vittatus were two new distribution records for the Johor Straits. Since all Strombus were traditionally harvested and consumed by the locals since long ago, further studies are needed particularly regarding the population dynamics and fishery of the harvested species.

Keywords: Conch; distribution; Johor Straits; Strombidae; taxonomy

ABSTRAK

Sebanyak 230 individu Strombus telah berjaya disampel di beberapa lokasi sepanjang Selat Johor, Malaysia. Terdapat empat spesis yang dikenalpasti iaitu Strombus canarium Linnaeus, 1758; Strombus urceus Linnaeus, 1758; Strombus marginatus subspesis succinctus Linnaeus, 1767; Strombus marginatus subspesis robustus Sowerby, 1874; dan Strombus vittatus subspesis vittatus Linnaeus, 1758. S. canarium adalah yang paling biasa ditemui, diikuti oleh S. urceus, sementara yang lain amat jarang ditemui. Di antara spesies yang di sampel, S. marginatus dan S. vittatus merupakan dua rekod baru bagi kawasan kajian. Memandangkan ia adalah makanan yang digemari oleh penduduk tempatan dan aktiviti penangkapan telah dijalankan sejak dahulu lagi, kajian lanjut amat diperlukan terutamanya berkenaan kedinamikan populasi dan aspek perikanan siput Strombus.

Kata kunci: Siput gonggong; taburan; Selat Johor; Strombidae; taksonomi;

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*Pengarang untuk surat menyurat