Cased Caddisfly
Larva
Caseless Caddisfly
Larva
Mayfly Nymph
Freshwater Shrimp
Damselfly Nymph
Dragonfly Nymph
Stonefly Nymph
Water Beetle Larva
Otter
Water Stick Insect
Algae
Freshwater Limpet
Freshwater Hoglouse
White Clawed
Crayfish
Leech
Dead plants and
animals
Water Starwort
Bullhead
Water Crowfoot
Brown Trout Fry
Water Snail
Water Beetle
Water Worm
Sun
Eats algae and
dead plants and
animals
Eats mayfly
nymphs and
freshwater
shrimps
Eats algae and
dead plants and
animals
Eats algae and
plants
Eats mayfly nymphs
and caseless
caddisfly larvae
Eats freshwater
shrimps, water
hoglouse and
young fish
Eats freshwater
shrimps, water
hoglouse and
young fish
Eats dead plants
and animals
Eats smaller
insects
Eats fish
Eats smaller
insects
Gets energy
from the sun
Eats insects and
small fish
Eats dead plants
and animals
Eats algae
Eats smaller
insects
Gets energy
from the sun
Got energy from
the sun
Eats water snails
and freshwater
limpets
Eats dead plants
and animals
Eats most other
animals apart
from fish
Gets energy
from the sun
Eats most other
animals apart
from fish
The energy
source of all
living things