A turtle. and define what you are thinking is a "protective shell"
Tortoise
An alligator
Turtle can be both a noun and a verb. As a noun, it refers to a reptile with a shell that lives in water. As a verb, it means to move slowly or lazily.
Lobster, Water beetles
To absorb heat and for protection.IMPROVED ANSWER:The scaly skin of a reptile protects the reptile, and helps keep water inside the reptile's body.
water horses are not proven real. but the scientists that believe in it think its a reptile that lives in water. sortof like a water snake.
Reptile eggs have a leathery or hard shell that protects them from moisture loss. Reptiles have scaly skin, which also protects them from moisture loss. This is why reptiles can live their lives on land while amphibians are largely tied to the water.
crab, hermit crab, and lobsterHermit crab is a kind of crab, and it doesn't actually has its own shell. Oysters have shell and lives in water.
a salamander is a amphibian and lives part of it's life in the water, but a snake is a reptile and has scales.
Reptile's scaly skin helps to prevent water loss from their bodies by forming a barrier against dehydration. The scales also provide protection from physical injuries and help to camouflage them in their environment.
it has a shell . it is green . it lives int the water . it eats . and it drink water.
The baby bog turtle is a small reptile with a dark shell and orange spots. It requires wetlands with shallow water, muddy areas, and plenty of vegetation for hiding and feeding. Protection from predators and human disturbance is crucial for their survival.