These are the most frequently used words in this book.
accept
acid
active
aggressive
alkaline
almost
although
aquaria
aquarists
aquarium
area
attains
best
between
body
bottom
breeding
brine
catfish
cichlid
cm
color
community
conditions
critical
dark
days
does
easily
eat
eggs
especially
even
female
few
fins
first
fish
foods
form
frozen
fry
get
good
gravel
green
grow
hard
hatch
kept
lake
large
larger
leaves
length
less
light
little
live
long
male
may
must
often
own
pair
parents
peaceful
ph
place
plants
preferred
prefers
quite
range
should
shrimp
side
size
slightly
small
smaller
soft
spawn
spawning
species
specimens
spots
surface
take
tank
temperature
three
time
two
usually
variety
water
weeks
young