Sains Malaysiana 41(11)(2012): 1431–1435

Breeding Activities of Ingerophrynus parvus (Anura: Bufonidae) in Kedah, Malaysia

(Aktiviti Pembiakan Ingerophrynus parvus (Anura: Bufonidae) di Kedah, Malaysia)

S. Shahriza

School of Pharmaceutical Sciences, Universiti Sains Malaysia, 11800 Pulau Pinang, Malaysia

J. Ibrahim

School of Distances Education, Universiti Sains Malaysia, 11800 Pulau Pinang, Malaysia

M.S. Shahrul Anuar

School of Biological Sciences, Universiti Sains Malaysia, 11800 Pulau Pinang, Malaysia

Received: 27 July 2011 / Accepted: 23 June 2012

ABSTRACT

The breeding activities of the Dwarf toad, Ingerophrynus parvus were observed under natural conditions at Sungai Junjong, Kulim, Kedah, Peninsular Malaysia for a period of 12 months. Breeding parameters, such as calling activities, amplecant pairs, eggs deposition and presence of tadpoles were examined every week in each month. Pearson correlation was used to analyse the relationship between rainfall and each breeding parameter. The results showed positive relationships between rainfall and calling activities (r=0.74), between rainfall and amplexus activities (r=0.52), and between rainfall and spawning activities (0.81).

Keywords: Amphibian; frog; rainfall; reproductive cycle; tadpoles

ABSTRAK

Aktiviti pembiakan katak Puru Kerdil, Ingerophrynus parvus telah dikaji secara semula jadi di Sungai Junjong, Kulim, Kedah, Semenanjung Malaysia selama 12 bulan. Parameter pembiakan, seperti aktiviti panggilan, pasangan mengawan, penghasilan telur dan kehadiran larva diperiksa pada setiap minggu. Ujian korelasi Pearson telah digunakan untuk menganalisis perhubungan antara jumlah hujan dan setiap parameter pembiakan. Hasil kajian menunjukkan terdapat perhubungan yang positif  antara jumlah hujan dan aktiviti panggilan (r=0.74), antara jumlah hujan dan aktiviti mengawan (r=0.52) dan antara jumlah hujan dan aktiviti penghasilan telur (0.81).

Kata kunci: Amfibia; berudu; jumlah hujan; katak; kitaran pembiakan

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*Corresponding author; email: shahriza18@usm.my