Life under the sea

any of numerous elongate mostly marine carnivorous fishes with heterocercal caudal fins and tough skin covered with small toothlike scales

any of the larger cetacean mammals having a streamlined body and breathing through a blowhole on the head

any of various small toothed whales with a beaklike snout; larger than porpoises

bottom-living cephalopod having a soft oval body with eight long tentacles

widely distributed fast-moving ten-armed cephalopod mollusk having a long tapered body with triangular tail fins

any of several edible marine crustaceans of the families Homaridae and Nephropsidae and Palinuridae

decapod having eyes on short stalks and a broad flattened carapace with a small abdomen folded under the thorax and pincers

marine colonial polyp characterized by a calcareous skeleton; masses in a variety of shapes often forming reefs

any of numerous usually marine and free-swimming coelenterates that constitute the sexually reproductive forms of hydrozoans and scyphozoans

any of numerous marine mammals that come on shore to breed; chiefly of cold regions

(mathematics) a straight line extending from a point

hard outer covering or case of certain organisms such as arthropods and turtles

lower and bring partially inboard; "reef the sailboat's mast"