Evaluation of Octopus maya enzyme activity of the digestive gland and gastric juice - Daisy Pineda-Suazo; Wendy Escobedo-Hinojosa; Lenin E. Fabian-Canseco; Pedro Gallardo; Cintia Moguel-Ojeda; Claudia Caamal-Monsreal; Ariadna Sánchez-Arteaga; Carlos Rosas (Biology Open)