JBL ProNovo Crabs Wafer M are aquarium main food wafers for crabs, crayfish and coral shrimps from 1-20 cm length. Biologically speaking, the term crustaceans is a generic term that includes shrimps, prawns, crabs and crayfish. When it comes to food, we can easily group all claw-bearing species, including crabs (with a rounded shell) together, as their feeding habits are very similar. JBL JBL ProNovo Crabs Wafer M therefore contains shrimps and fish, but also vegetable ingredients such as spinach and spirulina. Wood fibres as dietary fibres are also included.JBL ProNovo Crabs Wafer M+ complete diet with fish meat and shrimp meat for beautiful colours and healthy growth in crabs & crayfish+ high-quality, natural carotene (astaxanthin) from spirulina algae ensures beautiful colour formation in e.g. Cherax and Procambarus species+ ideally balanced ratio of animal and vegetable proteins for healthy growth and trouble-free moulting+ prebiotic & sinking crab & crayfish food: special balast s