Studi Awal Bioekologi Ikan Geso (Hemibgrus wyckii, Bagridae)
Abstract: Nowadays, geso fish
Hemibagrus wyckii Bagridae is extinction The objective of this research is to
analyze the distribution of length and weight of Geso fish, water quality
parameter as the characteristic of Geso habitat and reproduction aspect which
is the basic data to perform the domestication process. To know the
distribution of length and weight of Geso fish, the samples were taken from
three research locations, namely Kampar Kanan River, Kampar Kiri River and Koto
Panjang Reservoir, each with 15 individual, To analyze the reproduction aspect
of Geso fish required 45 samples and to get the data of Geso fish habitat
characteristic was taken once monthly water samples in June, July and August
2015 in three research sites, Kampar Kanan River, Kampar Kiri River and Koto
Panjang Reservoir. The results showed that the average length of total and
weight of geso fish from Kampar Kanan River (491.93 mm, 1390.83g) and Kampar
Kiri River (489.73 mm, 1338.97g) was higher than that of Koto Reservoir Length
(286.60 mm; 1078 g). The water quality parameters that are the main
differentiator between the three habitats are nitrite, nitrate, electric
conductivity and COD. Fecundity of geso fish ranges from 2943-9558 eggs with
egg diameter ranging from 1.04 to 2.81 mm. Gonad Somatik Index (IGS) of geso
female fishingTKG IV between 2.73-3.97%and males between 1.22-2.00%.
Keywords: Bioecology. geso
fish, habitat and reproduction
Penulis: Netti Aryani,
Saberina Hasibuan
Kode Jurnal: jpperikanandd160548