Alternatively, feeder-containing cultures can be prepared ... (v) For daily maintenance of HESCs on Matrigel, collect CM from feeders, filter using a 0.2-μm filter and add bFGF to a final ...

Since the whale shark is a filter feeder, the divers were not at risk of being eaten A giant whale shark looked ready to snack on a pair of amazed divers off the coast of Tubbataha, Philippines.