Not necessarily. Crustaceans such as lobsters have blue blood. But vertebrates such as fish and whales have red blood.
probably the blue whale
we do inside our bodies :)
Any sea creature, from the blue whale to the smallest krill, will be eaten by other creatures when they die.
They are actually 3 blue lions, not sea creatures.
The blue whale and the pink river dolphin.
Beluga whale, blue whale
Look for them.. Not hard
tiny fish and other small sea creatures
Warm blooded the only exception to that are reptiles nothing else.
. Blue skin . long tail . sea creatures . 2 arms and 2 legs . dark blue stripes
Some sea creatures have ansetors of dinosaurs
If you mean, "are all under water creatures, sea creatures?" then no. The term SEA is for the ocean and there also can be creatures in freshwater. Also some creatures that live in water such as some snakes and sea turtles come out of the water every so often, so they are no total sea/water creatures. Fish are underwater creatures though.