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All Journal Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan
Nofika Srijayanti
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Earth & Planetary Sciences

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Morphometric, meristic and growth patterns of (Thynnichthys thynnoides Bleeker, 1852) from the Pinang Luar Oxbow Lake, Buluhcina Village, Kampar Regency, Riau Province Nofika Srijayanti; Ridwan Manda Putra; Deni Efizon
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 3, No 2 (2016): Wisuda Oktober Tahun 2016
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

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Abstract

Thynnichthys thynnoides or motan fish is freshwater fish that inhabit the Pinang Luar Oxbow Lake. This fish has high economical value, around Rp. 25.000- 35.000 /kg. To understand the morphometrical, meristical characteristics and growth pattern of this fish, a research had been conducted from March-May 2016. There were 149 fishes (75.04-181.57 mm TL and 3,78-53,77 gr BW) were captured from the lake. There were 26 morphological characteristics measured and 9 meristical characteristics counted. General body form of the fish is not changing as the fish growing. The meristical characteristics of the fish were as follow : D.I.27-29, P.10.5, V.II.5-8, A.5-7.2, C.10-12.9, the number of scale in the pre-dorsal fin 45-50, around the body was 46-48, the caudal peduncle was 12-14 and the lateral line was 58-60. The length-weight relationship shown that the growth of male is negative allometric (b= 2.975), but that of the female was positif allometric (b= 3.092). The water quality parameters shown that temperature 26-280C, transparency 22-49 cm, pH 6, DO 4.6-6.2 mg/L, CO2 5.8-8.5 mg/L and depth 108-520 cm. Data on water quality parameters indicate that water quality in the Pinang Luar Oxbow Lake is able to support the life of the motan fish.Keywords : Thynnichthys thynnoides, Pinang Luar Oxbow Lake, morphometric, meristic, growth patterns
Co-Authors Deni Efizon Ridwan Manda Putra