The second popular name of this species comes from the legend that this fish ruled over the Red Mullet (Mullus barbatulus), one of the most prized food fishes among the ancient Romans. Its red attire was apparently thought very reminiscent of the robes of the church dignitaries. ![]() The cardinalfishes received their popular name from the only species originally native to the Mediterranean, the Cardinalfish or King of the Mullets, Apogon imberbis. There are also a small number of euryhaline species, that is fishes that can live both in the sea and in fresh water one of them, namely Apogon amboinensis, is occasionally, albeit very rarely, imported as an aquarium fish for freshwater aquaria. For this reason alone the majority of species are well-suited to long-term maintenance in the aquarium.Īlmost all cardinalfishes live in the sea only one genus, Glossamia, with 11 species, restricted overall to New Guinea and Australia, lives exclusively in fresh water. The largest species of cardinalfish grows to around 20 cm long, but the vast majority remain below 10 cm in total length. At present almost 350 different species are recognized, divided among 33 genera. Cardinalfishes are thus ideally suited as beginner’s fishes, as at least one species, Pterapogon kauderni, is no more difficult to breed than an easy-to-breed freshwater fish and in addition it is always easy to find homes for the young.Ĭardinalfishes constitute a family – scientifically known as the Apogonidae – within the perciform fishes. And for these people breeding is the crowning achievement of keeping fishes. At the same time very many freshwater aquarists continue to subscribe to the argument that marine fishes cannot be bred in private aquaria, or at least only at great expense and effort. Marine aquarists don’t usually maintain any freshwater aquaria, and vice versa. Marine and freshwater aquarists are often very committed to their particular branch of the aquarium hobby. They are brightly colored, exhibit interesting behavior, remain manageably small, don’t tend to be susceptible to disease, ignore sessile invertebrates, and are essentially energy-saving fishes as they require little light. ![]() Cardinalfishes can be termed ideal fishes for the marine aquarium.
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