the presence of species near the shore or down on the sea-bottom is not
result of chance but depends on the ecosystem .
different according to a certain number of
factors: the type of substrate: sand, gravel or rocks; the
salinity and plankton richness of the water; the tide cycle , the
the presence or absence of pollution.
cold-blooded animals and their activity depends on the temperature of
the sea .
are flat fish, bony fish, cartilaginous fish, fusiform fish….
various species: fish, seashells, crustaceans, or cephalopods can
plankton or graze seaweeds, eat
their fellow creatures or feed on dead animals . This is the food
are going to come into the aquariums and you can let yourself go into
marvels of the marine world.: turbot, dog fish , lobster, cod, whiting,
cuttlefish, spider crab….