Starfish use filtered sea water to pump nutrients through their nervous system. Blue whale in light blue ocean: Wolcott Henry, National Geographic Creative. Blue whale in dark blue ocean: Brandon Cole Marine Photography, Alamy. Let’s take a look at five fun facts about these marine animals. All Rights Reserved. As they mature they most commonly acquire a bright blue colour, although there are colour variants throughout the Indo-Pacific ranging from bright blue to green, pink or yellow. Sounds like a horror movie right? Blue glaucuses eat large, venomous prey, such as the Portuguese man o’ war and the blue button jelly, and store their prey’s stinging cells in their bodies to later use against predators. The average life expectancy of a sea star is 35 years! Tiny organisms can be swallowed whole. The blue sea star (Linckia laevigata) is a species of starfish found in the shallow waters of the Indian and Pacific oceans. The Starfish – or Sea Star – may be one of the most beautiful creatures in the ocean. Here are 11 facts about starfish or sea stars as they are now called to help gain a better understanding about them. Known also as the blue Linckia and the comet sea star, this starfish is usually blue in color but can also be found in shades of aqua, purple, and orange. A sea star’s spines are used for protection from predators, which include fish, sea otters and birds. The Blue Sea Star is found in the Indo-Pacific region growing up to 40cm in length. Take a look below for 25 more fun and interesting facts about Deep Blue Sea. There are some 2,000 species of sea star living in all the world’s oceans, from tropical habitats to the cold seafloor. Sea stars occupy every type of habitat, including tidal pools, rocky shores, sea grass, kelp beds, and coral reefs. It mainly feeds on microbes and organic matter on the ocean floor, and its mouth is located in the middle of its body. Tiny organisms can be swallowed whole. Distribution of the Sea Star. 1. The Blue Linckia Sea Star is also known as the Comet Sea Star, Blue Sea Star, or Blue Starfish. Length - 40cm Starfish come in a variety of colors and have many different types of patterns. On the other end, a species called cushion sea stars appear to look like a blob with no arms. 7 Amazing Starfish Facts. [Re-Arming] "Starfish are very good at regenerating. Brittle star discs range in size from 0.1 to 3 inches; their arm length is a function of their disc size, typically between two to three times the diameter although some have lengths up to 20 or more times. Linckia laevigata is an obligate host for the limpet Thyca crystallina, which feeds on the hemolymph of the sea star. In the wild, the Blue Linckia Sea Star is found in the sunny areas of the reef and reef fringe, constantly foraging for food. 5. Sea star arms—typically five in number—are hollow and, like the disk, covered with short spines and pedicellariae (pincerlike organs); on the lower side are grooves with rows of tube feet (see video of tube foot anatomy and physiology), which may be sucker-tipped or pointed. While genetically remaining true sea stars, the cushion stars (Culcita novaeguinea) of the Indo-Pacific region would at first glance be unrecognizable as a member of the sea star group, having almost nonexistent arms and a puffy, blob-like body. Deep Blue Sea is a 1999 American science fiction horror movie directed by Renny Harlin. They have no brain and no blood. Login on the desktop to upload your own pictures! Let’s check out some facts about the starfish you may not know. Since there is no clear definition of blue giant stars, the term is frequently applied to any hot, massive star, albeit erroneously in some cases. The average life expectancy of a sea star is 35 years! These digestive glands secrete enzymes and absorb required vitamins from food. But its takes a while. Most species are small to medium-sized between 12-24 cm (4.7-9.4 in). 3. Since summer 2013, an outbreak of sea star wasting syndrome in the Pacific Northwest has killed sea stars by the thousands. Later on, the sea star larvae moves with eating micro organism such as plankton and always take care of its own body. It can take u to a year for a lost limb to grow back. They usually have five arms but have been found with 4 or 6 arms, this may be because more than one arm has been damaged at one time! Blue Sea Slug - Little, Blue, Big Sting Also known as the sea swallow, blue angel, blue glaucus, blue dragon, blue sea slug, and blue ocean slug, the Glaucus atlanticus is a small species of "sea slug" (or more correctly and specifically, a nudibranch). Has killed sea stars lack a number of fishy anatomical features, including gills, scales or.. 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