| BLUEWHALE | Common name for the most massive animal ever to have lived, a species of baleen whale weighing approximately 150 tons. (4,5) |
| BLUE | ___ whale, the largest animal ever to have lived (4) |
| ELEPHANT | In 1990, the remains of a Steppe Mammoth, Mammuthus Trogontherii, the largest species of ... ever to have lived, were discovered at West Runton (8) |
| APPROXIMATELY | Nearly eleven, mate, extremely likely to be on appro (13) |
| RORQUAL | Species of baleen whale - blue, minke or humpback for example (7) |
| FIT | Suitable / appro priate |
| THEICEAGE | Common name for the most recent Pleistocene glacial period (3,3,3) |
| WHALE | Largest animal ever to exist on earth |
| THULE | Ancient name for the most northerly inhabited place |
| KRILL | Small shrimp-like marine crustaceans of the order Euphausiacea: the principal food of baleen whales (5) |
| AESOP | Storyteller of the 6th century BC said to have lived as a slave on the island of Samos (5) |
| FINWHALE | Also called a razorback whale or common rorqual, this slender baleen whale is second in size to the blue whale. (3,5) |
| TOP | Garment such as a T-shirt; a motor vehicle's highest gear; or, the most massive quark (3) |
| SNP | Contributing to our fundamental understanding of the universe, the "truth" quark and most massive of all known elementary particles (3) |
| CETACEAN | A member of the order of aquatic mammals that includes the toothed whales and the baleen whales |
| KINGARTHUR | Legendary ruler of the Britons supposed to have lived around the early sixth century (4,6) |
| TALIESIN | Chief of the bards in Welsh myth and legend, believed to have lived in the 6th century (8) |
| HIPPOCAMPUS | Bit of a brain on the massive animal, outside of college (11) |
| HIPPO | Needed to store memories but lacks grounds for university to get massive animal (5) |
| SEI | Type of baleen whale |
