List of frequency studies for Naucrates ductor
Locality Year
from - to
Sex Gear Frequency type
Balearic Islands, Western Mediterranean, Spain 1990 - 1996 unsexed/mixed  seines  absolute number measured 
Mallorca Island (western Mediterranean), Spain 1990 - 1996 unsexed/mixed  other  absolute number measured 
Mallorca Island (western Mediterranean), Spain 1990 - 1997 unsexed/mixed  other  absolute number measured 
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