dogfish vs spiny dogfish

dogfish

noun
  • Squalus acanthias, Squalus blainville, Squalus megalops, or Squalus mitsukurii 

  • Ginglymostoma cirratum 

  • especially those from the family Squalidae 

  • a kitefin shark, any shark from family Dalatiidae 

  • a catshark, any shark from family Scyliorhinidae 

  • Scyliorhinus canicula or Scyliorhinus stellaris 

  • Squalus suckleyi 

  • Ginglymostoma cirratum or Mustelus canis 

  • Mustelus canis 

  • The bowfin, Amia calva. 

  • Scyliorhinus canicula 

  • Bodianus rufus 

spiny dogfish

noun
  • Squalus acanthias, one of the best known of the dogfish which are members of the family Squalidae in the order Squaliformes 

How often have the words dogfish and spiny dogfish occurred in a corpus of books? (source: Google Ngram Viewer )