Cetomimiformes

Cetomimiformes: Complete loss of fin spines. The whalefishes have a whale-shaped body; mouth very large and stomach highly distensible; eyes well developed to degenerate; latera line made up of enormous hollow tubes; luminous tissue on body; dorsal and anal fins far back on body and opposite one another; no swim bladder; orbitosphenoid absent; supramaxilla absent or reduced; color usually orange and red on a black body.
 * See Fishbase.

Families in this order:
 * Barbourisiidae
 * Cetomimidae
 * Rondeletiidae