from
The Collaborative International Dictionary of English v.0.48
Houndfish \Hound"fish\, n. (Zool.)
Any small shark of the genus {Galeus} or {Mustelus}, of which
there are several species, as the smooth houndfish ({Galeus
canis}), of Europe and America; -- called also {houndshark},
and {dogfish}.
[1913 Webster]
Note: The European nursehound, or small-spotted dogfish, is
{Scyllium canicula}; the rough houndfish, or
large-spotted dogfish, is {Scyllium catulus}. The name
has also sometimes been applied to the bluefish
({Pomatomus saltatrix}), and to the silver gar.
[1913 Webster]