There are two major categories of cages based on their construction. Hard cages, use rigid materials like vinyl coated wire or extruded plastic. Soft cages are constructed of polypropylene or nylon netting supported by a frame. Each type has it advantages and disadvantages.

	Advantages	Disadvantages
Hard Cages	Better Predator Exclusion Very Durable	More difficult to maneuver Wire cages generally more expensive
Soft Cages	Easy to handle & store Gentle on fish Durable	More vulnerable to predators