Cottonmouth Jack Video Stock Footage

Adult cottonmouth jack are usually dark in color, while juveniles are pale with six or seven brown, vertical bars along their sides. They are named "cottonmouth" because they are distinguished from other members of their family by their bleach-white mouth and tongue. The cottonmouth jack's dorsal fin has a total of nine spines and twenty seven to thirty two soft rays. The anal fin has only three spines and nineteen to twenty three soft rays. The longest known cottonmouth jack measured 50 cm and the greatest published weight was 2.04 kg.