STUDI MAKANAN DAN KEBIASAAN MAKAN IKAN BUJUK (Channa lucius CV) DI RAWA BANJIRAN SUNGAI TAPUNG KIRI, KAMPAR RIAU A study of food types and feeding habit of Channa lucius CV in the flood plane areas of Tapung Kiri River, Kampar Riau

Abstract

Channa lucius is known as snakehead fish and has high economical value in Riau. This fish commonly occur in flood areas in Riau, including the Tapung Kiri River flood area. A study aims to understand the types of food and feeding habit of that fish has been conducted in February to July 2012. Ninety fishes (160 – 450 mm TL and 45-1150 gr) were collected and they were measured (TL, SL and BW). Their stomach fullness were noted and their stomach content was analyzed to find out the Preponderance Index (PI) based on Natarajan and Jhingran (1961). Results shown that C. lucius has cacine type teeth, elastic pharynk muscle, thick stomach muscle and short intestine. C. lucius prey on small fishes, insects, insect larvae, red crab and worm. The most preferred food was fish (PI 70,05%), followed by (PI 24,1), (PI 2,87%) (PI 2,87% and (PI 0,11%). Based on the character of digestive tract and type of food identified, it can be concluded that C. Lucius is a pure carnivorous fish.