Do you want the best filter for shrimps and BABY FISH - You found it!!

Sponge filters provide both mechanical and biological filtration
Provides the ideal location for bio-filtration colonization.
Does not trap fish fry.
Suitable filter when breeding and spawning Discus, Dwarf cichlids, guppies, and killifish.
Max Tank Size: 5"L x 1.8"W x 5.5" H