Lampoons SNP logo: a fish, oddly (6)
I believe the answer is:
spoofs
'lampoons' is the definition.
('spoof' can be a synonym of 'lampoon')
'snp logo a fish oddly' is the wordplay.
'oddly' means one should take alternating letters (letters in the odd-numbered positions are used).
'snp'+'logo'+'a'+'fish'='snplogoafish'
The alternate letters of 'snplogoafish' are 'SPOOFS'.
(Other definitions for spoofs that I've seen before include "Hoaxes or humorous imitations" , "Slangy hoaxes or imitations" , "Satirical imitations, parodies" , "Lampoons" , "Tricks" .)