What is another word for acanthopterygian?
Pronunciation: [ɐkˈanθəptəɹˌɪd͡ʒən] (IPA) 
Acanthopterygian refers to a type of fish with spiny fins, such as a perch or a tuna. Some synonyms for acanthopterygian include the term spiny-finned fish, which is descriptive of the distinguishing feature of this group of fish. Other synonyms include bony fish, which refers to the presence of a skeleton composed of bones as opposed to cartilage. The term teleost fish may also be used to describe acanthopterygians, referencing the fact that these fish have a homocercal tail, meaning that the upper and lower lobes of their tail fin are symmetrical. Additionally, the term percomorph may be used to describe acanthopterygian fish, as this refers to the order of spiny-finned fish that includes perciformes such as the perch.
