Beware—what makes these tiny predators breed remains aquarium hobby's most quietly guarded secret.

Glistening like living confetti, killifish captivate aquarists with their ephemeral beauty, fiery temperaments, and fascinatingly brief lifespans that make ...

Proper care for rosy red minnows hides a breeding secret that transforms ordinary tanks into thriving ecosystems—but only if you follow one crucial step.

Native to West African streams, Jewel Cichlids reward patient aquarists with dazzling colors—if you can handle their explosive temper.

A tiny breeding box mistake can wipe out your entire spawn—discover which 19 designs actually protect your fry before it's too late.