Population dynamics of climbing perch (Anabas testudineus, Bloch 1792) fish resources in south Kalimantan, Indonesia

Abstract

One of the local fish resources that is exploited intensively in South Kalimantan is climbing perch, locally known as climbing perch (Anabas testudineus). The aim of this study was to analyze the parameters of a growth and mortality of A. testudineus in South Kalimantan. The samples were collected during July-October 2020 from three different locations of South Kalimantan. Survey-dependent sampling technique was used to gather the data which applied the von Bertalanffy approach as a measurement of fish growth and the FISAT II program was used to measure the mortality. The fish growth parameters showed that the K value was 1.5, 0.9, and 0.5 year-1 , the L L∞ was 202.13, 151.20, and 191.63 mm and the t0 value -0.8, -0.5, -0.1 year-1 in the Bararawa, Tungkaran and Pantai Harapan swamps, respectively. The highest recruits in the Bararawa and the Tungkaran swamp were once a year, respectively, in June (36.29%) and August (20.87%), and the highest recruits in Pantai Harapan swamp were in May (17.63%) and July (15.26%). The natural mortality rate (M) was 1.41, 1.17 and 10.67 year-1 , the fishing mortality rate (F) was 6.68, 1.89, and 0.64 year-1 and the exploitation rate (E) was 0.83, 0.62, and 0.49 year-1 in the Bararawa, Tungkaran and Pantai Harapan swamps, respectively.