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Astropecten polyacanthus, the sand sifting starfish or comb sea star, is a sea star of the family Astropectinidae. It is the most widespread species in the genus Astropecten, found throughout the Indo-Pacific region. The armspread is up to 20 cm (8 in). [2] The specific epithet "polyacanthus" comes from the Latin meaning "many thorned". [3]
Archaster typicus is a species of starfish in the family Archasteridae. It is commonly known as the sand star or the sand sifting star but these names are also applied to starfish in the genus Astropecten. It is found in shallow waters in the Indo-Pacific region.
A bottom dwelling animal that is actually not a true crab. Found burrowing in mud or sand flats in the wild, they need a deep sand bed in their aquarium. 60 cm (23.6 in) Sea spider [3] Pycnogonids: No: Not collected for the aquarium trade, but occasionally seen on live rock and corals as a hitchhiker. They can be pests in a reef tank, preying ...
A sand-sifting goby cleans the substrate through its gills, including getting rid of certain bacteria, and also grazes on algae. A peaceful fish that should be kept alongside similarly non ...
Jellyfish, starfish, sand dollars and the occasional octopus wash up on South Carolina beaches all year round. For these invertebrates, sitting exposed to the sun and air will eventually kill them.
Astropecten armatus is an agile starfish. It can "glide" across the surface of the sand with its mobile tube feet. If turned upside down it can right itself with a flip and if several are stacked on top of each other, they will quickly disperse. [4] It is a predator and primarily feeds on the olive snail (Olivella biplicata).
Sometimes it is used for the shallow sediment-dwelling animals that live in the deep sand bed of marine aquariums or reef aquariums such as sand sifting starfish, spaghetti worms, bristleworms and flatworms. [2] Clean-up crews have also more recently been used in freshwater aquariums to control algae, detritus and pest snails.
Luidia foliolata, the sand star, is a species of starfish in the family Luidiidae found in the northeastern Pacific Ocean on sandy and muddy seabeds at depths to about 600 m (2,000 ft). Description [ edit ]