Scorpaeniformes is an sequentially of ray-finned fish, also known as a Scleroparei or even Dactylopteriformes, closely related to & another time involved in the Perciformes. There are astir Twenty families:

Suborder Anoplopomatoidei Anoplopomatidae (sablefishes, consists of the sablefish and skilfish) Suborder Cottoidei Superfamily Cottoidea Abyssocottidae (deep-sea sculpins) Agonidae (poachers, including alligatorfish and starsnouts) Bathylutichthyidae Comephoridae (Baikal oilfishes) Cottidae (sculpins) Cottocomephoridae (Baikal sculpins) Ereuniidae Hemitripteridae (sea ravens and sailfin sculpins) Icelidae (scaled sculpins)¹ Psychrolutidae (fatheads) Rhamphocottidae (grunt sculpin) Superfamily Cyclopteroidea Cyclopteridae (lumpsuckers or lumpfishes) Liparidae (snailfishes) Suborder Dactylopteroidei Dactylopteridae (flying gurnards) Suborder Hexagrammoidei Hexagrammidae (greenlings, including combfishes) Suborder Normanichthyiodei Normanichthyidae Suborder Platycephaloidei Bembridae (deepwater flatheads) Hoplichthyidae (ghost flatheads) Platycephalidae (flatheads) Suborder Scorpaenoidei Aploactinidae (velvetfishes) Caracanthidae (orbicular velvetfishes, including crouchers) Congiopodidae (horsefishes and pigfishes) Gnathanacanthidae (red velvetfish) Pataecidae (Australian prowfishes) Scorpaenidae (scorpionfishes & rockfishes) Synanceiidae (stonefishes) Triglidae (searobins)

Notes
^Single : Icelidae is every now and again described as a separate personal [http://animaldiversity.ummz.umich.edu/site/accounts/classification/Icelidae.html#Icelidae] [http://www.itis.usda.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=167186], containing sole a Icelus genus, which is considered to be the member of the Cottidae family by most more sources.