Anabas testudineus is a type of freshwater fish that living in swamp area. Information on biological, including morphometric, meristic, and growth patterns of the fish is rare. To understand the morphometrical and meristical characteristics, and growth patterns of the fish, a research had been conducted from April to May 2018. There were 100 fishes (62.54-133.08 mm TL and 10.66-95.45 gr BW). Th…