FISH FAMILIES
Scales
yes/no
Adipose Fin
yes/no
If the fish
does not
have scales,
the skin
will be very
smooth and
soft.
This little
fin is just a
small flap of
skin on the
back of the
fish between
tail and top
fin.
no
yes
yes
no
Catfi sh Family (Page 8).
Several families of fi sh have
skin that is smooth and
completely bare, just like our
skin. In Nebraska, this includes
5 species of commonly caught
Catfi sh Family (Page 8).
Trout Family (Page 11). The
adipose fi n is a small fl eshy
fi n on the back of a trout just
in front of the tail. Note: Two
family groups of commonly
caught Nebraska fi sh have this
adipose fi n, Trout Family (Page
11) and Catfi sh Family (Page
8).
Go to Key #2. Scales are the
tough outside covering of
many fi sh, some are large
such as on carp, some are very
small, such as on trout.
Go to Key #3.
KEY NUMBER 1
KEY NUMBER 2
4
FISH KEY
FISH FAMILIES