JBL Gammarus Turtle TreatsTreats for turtles, 10 50 cm in size Especially for the nutritional requirements of turtles. Most turtles and terrapins are omnivores. They particularly like to eat fish and water animals. To a lesser extent they like to eat aquatic plants. JBL offers a comprehensive range for the species appropriate diet for turtles and terrapins, to meet the respective requirements of the animals size. Dried fish and crustaceans, as well as algae are ranked first.