Catfish
can
be
many
different
sizes
and
colors.
They
have
flat
heads.
Their
mouths
are
big.
But
their
teeth
are
tiny.
Catfish
have
eight
fins.
Unlike
other
fish,
catfish
have
skin
instead
of
scales.
Catfish
can
live
in
freshwater
or
saltwater.
They
always
sink
to
the
deep
bottom
of
whatever
body
of
water
they
live
in.
Catfish
hide
in
the
weeds
or
under
boulders.
Catfish
swim
along
the
bottom
of
their
habitat.
They
shovel
through
the
mud
finding
food.
They
eat
their
food
whole.
A
catfish
might
eat
insects,
frogs,
or
other
fish.
Catfish
swim
to
warm
water
to
make
a
nest
for
their
babies.
The
eggs
hatch
after
approximately
10
days.
Some
catfish
can
live
as
long
as
20
years.



