Descriptions and articles about the Common Seastar, scientifically known as Asterias forbesi in the Encyclopedia of Life. Includes Overview; Brief Summary; D. . original description (ofAsteracanthion berylinus A. Agassiz, ) Agassiz, A. ( ). On the embryology of Asteracanthion berylinus Ag. and a. Reference for: Asterias forbesi. Other Source(s). Source: NODC Taxonomic Code, database (version ). Acquired: Notes: Reference for: Asterias forbesi.

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They have five arms that are capable of regenerating.

Description & Behavior

Help asteroas protect and restore marine life by supporting our various online community-centered marine conservation projects that are effectively sharing the wonders of the ocean with millions each year around the world, raising a balanced awareness of the increasingly troubling and often very complex marine conservation issues that affect marine life and ourselves directly, providing support to marine conservation groups on the frontlines aasterias are making real differences today, and the scientists, teachers and students involved in the marine life sciences.

A control was provided using the same flow conditions but without an odour being present. Sea stars move via their water vascular system by changing the water pressure and moving the tube feet. They may be found in abundance, but they don’t form colonies. Other similar trials have involved starving starfish for two months prior to the experiment and this asteriss greater motivation to seek prey.


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A small number of females were also found to contain the parasite. The sexes are separate in Asterias forbesi.

If a sea star is turned on its back, it forbezi one arm so that it grips the ground surface with its tube feet. Raven and Johnson Asterias Animals described in It is one of the most common starfish species on the North American Atlantic coast Dale, Sperm and eggs are liberated into the sea and fertilization is external.

They grasp the mollusk and use their tube feet to suction and pull the shells apart enough to extend their stomachs out through their mouth into the mollusk.

Forbes’ Sea Stars, Asterias forbesi ~

The Larousse Encyclopedia of Animal Life. Asterias forbesi feeds on bivalve molluscs and other marine invertebrates.

Accessed December 31, at https: There are several rows of tube feet on the underside on either side of the ambulacral groove that run down the centre of each arm. They use different orientation paths for different odors. They move in straight lines with one arm in asteias when they are moving their fastest.

Asterias forbesi

Deep Music Digitally Imported Pandora. Biological Bulletin The bait was a piece of mussel flesh in a tank of slowly circulating water.


This home page section for this species is currently being developed and will be completed ASAP! Like many starfish species, the upper surface is covered in blunt conical projections giving it a rough feel.

In other projects Wikimedia Commons. Asterias forbesi Scientific classification Kingdom: We sincerely thank our thousands of members, donors and sponsors, who have decided to get involved and support the MarineBio Conservation Society. Grzimek’s Animal Life Encyclopedia, Volume 3: World Register of Marine Species. It maintained diversity fodbesi the tidal region by keeping the strongly competitive bivalves at a low enough population level that they could not monopolize all the resources and form a monoculture.

Food Habits Sea stars are carnivorous and like to eat other invertebrates, marine worms, crustaceans, gastropods, sea urchins, and molluscan bivalves like mussels, clams, and oysters. Classification Kingdom Animalia animals Animalia: Other Physical Features ectothermic Reproduction Sea stars in general have separate sexes. Asterias forbesicommonly known as Forbes sea staris a species of starfish in the family Asteriidae.