How many colors can a starfish be?
Depending on the species, a sea star’s skin may feel leathery or slightly prickly. Sea stars have a tough covering on their upper side, which is made up of plates of calcium carbonate with tiny spines on their surface. A sea star’s spines are used for protection from predators, which include birds, fish, and sea otters.
A young purple ochre star on eelgrass (Zostera sp.) Ochre sea stars are found on rocky shores from Alaska to California. They tend to come in three distinct colors: purple, orange and brownish-red.
For example, seahorses have no blue pigment cells, but the color blue can be approximated nonetheless. A low concentration of melanin (black pigment) deep in the dermal layer gives the skin of the fish a bluish cast.
the opening of the rectum on the body surface. imperforate anus congenital absence of the normal opening of the rectum. Called also anal atresia and atresia ani.
They come in a rainbow of colors, including blue, red, orange, purple, pink, and even white. And they can be covered with speckles, stripes, or fancy patterns such as this one on the candy cane star (above right). Most sea stars have long, pointed arms.
Sirius is known as the “Rainbow Star.” Astrophotographer Steve Brown shows us why. When you think about stars twinkling overhead, you probably don’t associate them with a color. But the star Sirius shifts through every color of the rainbow.
They are usually yellow, orange, pink, or gray changing color to blend in with their surroundings.
Pisaster ochraceus, generally known as the purple sea star, ochre sea star, or ochre starfish, is a common starfish found among the waters of the Pacific Ocean. Identified as a keystone species, P. ochraceus is considered an important indicator for the health of the intertidal zone.
Starfish don’t actively camouflage themselves by changing color or shape, but some have natural exoskeleton irregularities that help hide them from predators.
The rainbow sea star can be found in a variety of colors, hence its name. It ranges from rosy pink with grey to bright red mottling, or banded in yellow.
Many species are brightly coloured in various shades of red or orange, while others are blue, grey or brown. Starfish have tube feet operated by a hydraulic system and a mouth at the centre of the oral or lower surface.
They tend to come in three distinct colors: purple, orange and brownish-red.
