Transcript Pond Critter Presentation

Worm
Very skinny worms that
wriggle around like a thread
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Leech
*When they stretch out
they look like a tear-drop
*Do not worry about
them, they need time to
attach.
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Flatworm
*Look like a flat jelly
worm that glides over
the surface of the tray
or a leaf.
*Small, about ¼”
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Scuds
*Very small, about 1/8”
*Swim quickly from one
end of tray to the other.
*Swim like mini-torpedoes
and very difficult to catch
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Watermites
Too small to get a
good picture of it.
They look like dirt specks
except they move against
the current of the water in
the tray.
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Copepods
*Swim a little but they like
to hang on the sides of the
container.
*Very small, about 1/8”
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Mosquito Larva
*Small tube on abdomen is
breathing tube.
*Sticks tube out of water
and looks like it is hanging
upside down.
*Swims by wriggling body
*Small, about ¼”
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Water strider
*Looks like a rotting
stick.
*Very slow moving,
found on bottom
amongst the leaf litter.
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Giant Waterbug
*Not very common
*Often confused with
dragonfly nymph
*Has a flat back and it is
hard to tell the wings from
the head end
*Size: ½-1” long
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Diving Beetle
*Very fast swimmers.
*Swim in any direction in
the water.
*Look like apple seeds with
a few threads for legs.
*Size: ¼”
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Damselfly Nymph
*Common and a poor swimmer
*Resemble football heads on a
stick
*Can only wiggle body back and
forth to move.
*Size: ½”
*Usually sits on algae or
bottom
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Dragonfly Nymph
*Largest insect in the water.
*Very slow moving and does
not swim well.
*Always walks along the
bottom.
*Size: ¼” to 1” long
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Water spider
*Any spider that walks
across the water
*Eats minnows and
other aquatic insects.
*Leave them alone but
if you get one, release it
*Completely harmless
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Snails
*Usually found on leaves
*Usually as small as tiny
apple seed but can be as
large as a cherry seed.
*Often little bumpy things
on leaves.
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