whale shark: large spotted shark of warm surface waters worldwide; resembles a whale and feeds chiefly on plankton
shark: any of numerous elongate mostly marine carnivorous fishes with heterocercal caudal fins and tough skin covered with small toothlike scales
sapiential book: any of the biblical books (Proverbs, Ecclesiastes, Song of Songs, Wisdom of Solomon, Ecclesiasticus) that are considered to contain wisdom