Callichthys: From the Greek kallos, meaning beautiful and ichthys, meaning fish; in reference to the colour pattern.
Sexing
Males develop a thickened bright orange first ray in the pectoral fin, where females have a thin first ray. Also, mature males have a thick adipose-fat body on the ventral surface of the pectoral fin.
Breeding
Bubble nest breeder.
Size
Smallest 158mm, largest 165mm, average 161mm, most commonly 165mm. All SL.