The pair of fins at the back of a fish’s body are called pelvic fins.

(The Book of Useless Information)

  1. itsaschmalzworld reblogged this from ohyeahfacts
  2. sweetestpea reblogged this from ohyeahfacts and added:
    i pride myself in knowing these useless facts
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  6. backforthefirstime reblogged this from ohyeahfacts and added:
    Funny, I actually have this book.
  7. kaleidoscopepipedreams reblogged this from ohyeahfacts and added:
    fins at the back of a fish’s body are called pelvic fins.
  8. katiebugs reblogged this from flawsandfaults and added:
    I knew this too! I retained only the useless information from Science class.
  9. flawsandfaults reblogged this from ohyeahfacts and added:
    I actually knew this! See, Mr. Grove, I didn’t just sit in the back...class during Marine...
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