Sentences with phrase «polychaete tube worms»

Gray whales, as described by the International Union for Conservation of Nature and Natural Resources (IUCN), are stated to feed primarily on swarming mysids, commonly called opossum shrimps, tube - dwelling amphipods, and polychaete tube worms in the northern parts of their range, but are also known to take red crabs, baitfish, and other food (crab larvae, mobile amphipods, herring eggs and larvae, cephalopods, and megalops) opportunistically or off the main feeding grounds.