Cardinalfish are a diverse and very numerous group of marine fish that doesn’t get nearly enough airtime in the reef aquarium hobby. Save for a few species like the pyjama and banggai cardinalfish, there’s more than 350 known species of ‘Apogonidae’ that live from the tropics to the temperate regions, shallow reefs to the deep, … Continue reading Download Cardinalfishes of the World by Rudie Kuiter for Free