Odontaster validus is an omnivorous scavenger and consumes anything it finds including carrion, detritus, the faeces of seals, red algae, bivalve shells, sponges, hydroids, other starfish, sea urchins, isopods, bryozoans, amphipods, crustacean larvae, ostracods, shrimps and diatoms [REF].
Odontaster validus takes 3 to 6 years to reach maturity but may live for 100 years [REF].