Bleny or Blenny: How To spell?
The word Bleny is misspelled against Blenny, a noun meaning "A marine fish of the genus Blennius or family Blenniidae; -- so called from its coating of mucus. The species are numerous."
Blenny has double "nn" is mispronounced as "n"Remember double 'NN' in between the strings ble & y which should not be misspelled with single 'N'
Wrong Spelling:  ble-n-y  Correct Spelling:  ble-nn-y 
Explore spell check of Blenny to spell without errors.