upside down starfish black pebble beach

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Upside down starfish in waves on black pebble beach Royalty Free Stock Photo

Upside down starfish on black pebble beach Royalty Free Stock Photo

Upside down starfish on black pebble beach

The Asterias rubens also know as common starfish, common sea star or sugar starfish is the most common and familiar starfish in the north-east Atlantic. The common starfish normally has five arms, broad at their base and gradually tapering to a point at their tips. There is a line of short white spines running along the centre of the aboral (upper) surface of the arms with low, soft mounds called papulae on either side. The common starfish is usually orange or brownish in color, and sometimes violet specimens found in deeper waters are pale. The common starfish is found on rocky and gravelly substrates where it feeds on mollusks and other benthic invertebrates.