Hobby Catch it fish net for aquarium fish and crabs. The extra soft netting goes easy on the delicate mucous membranes of fish and is ideally suited to gently catch sensitive shrimp and crabs from the aquarium. The black coloring facilitates the recovery of aquarium inhabitants considerably. Many animals do not perceive the black coloring well. If the net is kept still, many a fish will even take it for a cave to retreat into. Catching cannot be any easier than this. Especially rounded corners make for best catching results.Hobby Catch it - Fish Net-+ extra soft netting is gentle to fish, crabs and shrimp+ black coloring of net facilitates catching of animals+ especially rounded corners make for best catching resultssize S - 8x7x20 cmsize M - 13x10,5x20 cmsize L - 18x15x32 cmsize XL - 21x16x33 cm