Sand dollars have blunt spines that will neither "poke" you nor poison you. They are safe to handle. You can read more about this relative of the urchin by using the link below.
Class Holothuroidea (sea cucumbers)
The spines on blow fish are poisonous.
no they are not poisonous but they are dangerous
The skin of the sand dollars have small spines, which in turn has tiny hairlike structures called cilia. The cilia helps the sand dollars to catch any organic matter floating around for food.
Lionfish have poisonous spines.
Butterfly Scorpion fish are not poisonous, but venomous. Their venom is on their spines, being pricked with one of the spines will be painful, and cause a sickness to whoever was pricked by the spine.
Sand dollars are echinoderms, meaning spiny skin. Sand dollars live on sandy bottoms, and have the shape of an extremely flattened disk. They burrow into the sand and use their tube feet to feed, and spines to crawl along the bottom. They display radial symmetry, and have a hard external test composed of calcium carbonate. In living individuals, it is this test that has a spiny covering.
A sand dollar is a form of sea urchin, an animal that lives in the ocean. It has a shell and tiny spines that act like feet to more around on. The mouth opening is in the center of the star-shaped grooves on the underside of the animal.
Yes... they do
No. The "thorns" of a thorny devil, though very sharp, are neither poisonous nor venomous.
A sand dollar was called a geopolitical dollar
An echidna's body is covered with spikes, or spines. These spines are not poisonous, but they are sharp and offer the echidna protection from predators.