lyretail
Lyretail is a descriptive term used in the aquarium hobby to refer to fish whose caudal fin has a lyre-shaped profile, typically with two prominent lobes and a central notch. It is not a taxonomic group, but rather a morphological trait observed in multiple species across different families. Breeders have produced lyretail varieties through selective breeding, and the term is applied to both freshwater and marine ornamental fish.
In hobby literature and trade, lyretail varieties are contrasted with other tail shapes such as round, delta,
Care considerations for lyretail fish depend on the specific species involved, but general aquarium requirements include
Outside aquarium contexts, the term lyretail is not widely recognized as a standalone company or organization.