Assertion: brittle star's prey | /r/HasProperty | clam
Facets:
value: usually
type: DEGREE
Source sentences:
text: The processes of feeding and capture may be aided by special parts; Pisaster brevispinus, the short-spined pisaster from the West Coast of America, can use a set of specialized tube feet to dig itself deep into the soft substrate to extract prey (usually clams).
text: The process of feeding or capture may or may not be aided by special parts; Pisaster brevispinus or Short-spined Pisaster from west coast of America may use a set of specialized tube feet capable of extending itself deep into the soft substrata, hauling out the prey (usually clams) from within.
text: When the prey is a clam or other bivalve, the starfish pulls with its tube feet to separate the two valves slightly, and inserts a small section of its stomach, which releases enzymes to digest the prey.