[1] : The Collaborative International Dictionary of English v.0.48

balloonfish \balloon"fish`\, balloon fish \balloon" fish`\
   zool.
   a fish of the genus diodon such as diodon holocanthus
   or the genus tetraodon, having the power of distending its
   body by taking air or water into its dilatable esophagus. it
   is similar to but smaller than the porcupinefish. see
   globefish, and bur fish.
   1913 webster + wordnet 1.5
see also:
diodon diodon holocanthus tetraodon globefish bur fish 

[2] : The Collaborative International Dictionary of English v.0.48

bur fish \bur" fish`\ zool.
   a spinose, plectognath fish of the allantic coast of the
   united states esp. chilo mycterus geometricus having the
   power of distending its body with water or air, so as to
   resemble a chestnut bur; -- called also ball fish, balloon
   fish, and swellfish.
   1913 webster
see also:
chilo mycterus geometricus ball fish balloon fish swellfish 

Balloon Fish >> B Words
Balloon Fish, definition of term: Balloon Fish
balloon+fish_pag1.html

Balloon >> B Words
Balloon, definition of term: Balloon
balloon_pag1.html

Butterfly Fish >> B Words
Butterfly Fish, definition of term: Butterfly Fish
butterfly+fish_pag1.html

Cold Fish >> C Words
Cold Fish, definition of term: Cold Fish
cold+fish_pag1.html

Bur Fish >> B Words
Bur Fish, definition of term: Bur Fish
bur+fish_pag1.html

Angel Fish >> A Words
Angel Fish, definition of term: Angel Fish
angel+fish_pag1.html

Archer Fish >> A Words
Archer Fish, definition of term: Archer Fish
archer+fish_pag1.html

Angler Fish >> A Words
Angler Fish, definition of term: Angler Fish
angler+fish_pag1.html

Buffalo Fish >> B Words
Buffalo Fish, definition of term: Buffalo Fish
buffalo+fish_pag1.html