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

bonito \boni"to\ b-on=e"t-o, n.; pl. bonitoes
   -t-oz. sp.  pg. bonito, fr. ar. bainimact and
   bainimacth. often incorrectly written bonita. zool.
   1. a large tropical fish orcynus pelamys allied to the
      tunny. it is about three feet long, blue above, with four
      brown stripes on the sides. it is sometimes found on the
      american coast.
      1913 webster

   2. any of a variety of scombroid fishes of the genera sarda
      or euthynnus, with a size intermediate between those of
      the smaller mackerels and the tunas. it is applied
      especially to the skipjack tuna euthynnus pelamis,
      syn. katsuwonus pelamis, formerly sarda mediterranea,
      also called skipjack of the atlantic, an important and
      abundant food fish on the coast of the united states, and
      sarda chilensis of the pacific, and other related
      species. these are large and active fishes, of a blue
      color above and silver below, with black oblique stripes.
      --mw10
      1913 webster +pjc

   3. the medregal seriola fasciata, an edible fish of the
      southern part of the united states and the west indies.
      1913 webster

   4. the cobia or crab eater elacate canada, an edible fish
      of the middle and southern united states.
      1913 webster
see also:
bonitoes bonita orcynus pelamys sarda euthynnus skipjack tuna 
euthynnus pelamis katsuwonus pelamis sarda mediterranea skipjack sarda chilensis 
seriola fasciata elacate canada 

[2] : WordNet (r) 2.0

skipjack tuna
     n : oceanic schooling tuna of considerable value in pacific but
         less in atlantic; reaches 75 pounds; very similar to if
         not the same as oceanic bonito syn: skipjack, euthynnus
         pelamis
see also:
skipjack euthynnus pelamis 

Skipjack Tuna >> S Words
Skipjack Tuna, definition of term: Skipjack Tuna
skipjack+tuna_pag1.html

Skipjack >> S Words
Skipjack, definition of term: Skipjack
skipjack_pag1.html

Tuna >> T Words
Tuna, definition of term: Tuna
tuna_pag1.html

Tuna Fish >> T Words
Tuna Fish, definition of term: Tuna Fish
tuna+fish_pag1.html