Lutjanus johnii (約翰笛鯛) is a species of ray-finned fishes in the family snappers. They are associated with freshwater habitat. Individuals can grow to 97.0 cm.
Definition: The marine benthic biome (benthic meaning 'bottom') encompasses the seafloor and includes such areas as shores, littoral or intertidal areas, marine coral reefs, and the deep seabed.
Definition: length from the tip of the snout to the tip of the longer lobe of the caudal fin, usually measured with the lobes compressed along the midline. It is a straight-line measure, not measured over the curve of the body
