英文關鍵字
aquatic
autumn
big
biology
blue
catching
change
chum
climate
closeup
coho
dark
deep
dirty
eco
fish
fishing
food
freshness
freshwater
fungal
have
industry
infections
kind
ladder
lake
nature
omega
pacific
painful
planet
plant
power
problem
processing
raw
reflection
river
salar
salmo
salmon
save
scandinavia
sea
seafood
seem
some
spots
stream
sweden
swim
swimming
system
the
there
these
underwater
upstream
waiting
watch
water
waterfall
waves
white
wild
wildlife
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