Length-weight relationships Silver barb (Barbonymus gonionotus) in Mamberamo River, Papua

Abstract

There are big rivers in Papua province, one of which is the Mamberamo River. The Mamberamo River, known as the Amazon of Indonesia, has very high biodiversity. Silver barb is one of the fish caught in the Mamberamo River. Silver barb is an adaptable fish, has many types and varies. Variations in Silver barb are caused by interactions with the environment as well as isolation mechanisms. This research explains the relationship between weight-length and condition factors Silver barb in Mamberamo River, Papua. The research location consists of four observation stations: Kali Merah, Kerumi, Telaga, and Sungai Putus. Sampling was carried out in February, May, August, and October 2016. The research method used was a survey using an enumerator and analysis using the LAM (linear allometric) model. The results showed that Silver barb growth was allometric negative in February and October, but in May and August, growth was allometric positive. The factor conditions for the Silver barb range 1.014-1.02.

Pengaruh Probiotik Plus Herbal Terhadap Retensi Protein dan Retensi Lemak Benih Ikan Tawes (Barbonymus Gonionotus)

“…Ikan tawes (Barbonymus gonionotus) merupakan salah satu jenis ikan air tawar yang sangat populer di masyarakat (Nasution & Machrizal, 2021). Komoditas yang berprospek baik, memiliki nilai ekonomis yang cukup tinggi, dapat diproduksi secara massal serta memiliki peluang pengembangan skala industri dan berpotensi untuk dikembangkan lebih luas di Indonesia (Dwirastina & Marson, 2021). Saat ini budidaya perikanan mengalami kendala dalam usaha pendederan benih ikan tawes, permasalahan yang sering dihadapi adalah tingginya tingkat kematian dan pertumbuhannya lambat (Valenti et al, 2021).…”