Muller Mountain areas Central Kalimantan. The aims of study were to know status and
structure of population, habitat types, and preferences. The methods are catch per unit of
effort, visual, and experimental. The results were caught 29 tambra fish, consist of 4 males, 8
females, and 17 juvenile size; the population is rare; the habitat type were grouped to three
groups; this fish more prefer to deep waters, the water quality was suitable for living of …