Starfish have eyes at the end of their arms, though scientists were unsure whether or not they could actually see anything. In 2014, research demonstrated that the eyes do allow at least some starfish a degree of vision ... More » Pets & Animals Marine Life

Starfish can reproduce either sexually or asexually. Both male and female starfish exist, though they are externally indistinguishable from each other. They breed by releasing eggs and sperm into the water. The sperm fer... More »

Starfish, also called sea stars, are poisonous to humans. The sun star, the leather star and the crown of thorns are examples of poisonous starfish that cause minor to severe toxicity in the human body. More »

Starfish belong to the phylum Echinodermata. The phylum name means "spiny skin" in Greek. All echinoderms are marine invertebrates with radial symmetry and water vascular systems that allow locomotion. More » Pets & Animals Marine Life

Starfish color varies depending on the species and even the presence or absence of environmental threats — most species have the ability to change color, via camouflage, to match their surroundings. Some starfish are nat... More »

Starfish can survive thanks to adaptations like calcified skin, bright colors and the ability to regenerate limbs. Marine scientists call starfish "sea stars," although they are not really fish. More »

Starfish, or sea stars, can reproduce sexually or asexually. During sexual reproduction, the male and female release sperm and eggs into the environment, resulting in fertilized free-swimming embryos. During asexual repr... More »