heteracanth

== English == === Etymology === From hetero- + Ancient Greek ἄκανθα (ákantha, “spine”). === Adjective === heteracanth (not comparable) (botany) Having spines of different sizes. (zoology) Having the spines of the dorsal fin asymmetrical, or thickened alternately on the right and left sides. ==== Related terms ==== ==== Translations ==== === References ===