| DEEP
REEF & SEA FLOOR
The rocky ledges in deep
water make a perfect home
for all sorts of creatures:
anemones, soft corals,
lobsters and octopus. Look
out for the well camouflaged
rays and flatfish.
Beyond the kelp reef, in deeper waters, where
sunlight rarely filters through and no seaweeds
grow, the rocks are covered with all sorts of
marine life. Fast moving currents flow past and
provide a rich source of plankton for those animals
that can hold tightly enough to the rock face
to catch a meal.
Further still away from the shoreline, the seabed
changes from rock to sand and eventually is blanketed
by a fine mud. Although the effects of the waves
are felt less in the deeper water, the fine sediment
that settles out is easily moved by any water
motion. Seaweeds can’t take hold and grow
here so many of the animals that live on the sea
floor depend on another food source – detritus.
Detritus consists of the remains of other plants
and animals and is brought in by currents from
the coast or settles out from above. Some animals
bury in the mud, searching for food as they go,
while others raise delicate tentacles into the
water currents to catch tasty morsels.
The Macduff Marine Aquarium is the only aquarium
in Scotland to exhibit some of these weird and
wonderful muddy sea-floor dwellers.
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