Astacidae Link
: They are opportunistic omnivores, consuming everything from aquatic plants and leaf litter to insects, snails, and small fish. Diversity and Distribution
: Their bodies consist of a fused head and thorax (cephalothorax) protected by a tough exoskeleton and a segmented abdomen. astacidae
: They breathe through feather-like gills that allow them to extract oxygen from freshwater environments. : They are opportunistic omnivores