| mammal(noun, animal, creature, fauna, group) |
| aquatic habitat(expression, water, habitat, hydrarch) |
| cetacean(noun, adjective, animal, mammal, whale) |
| group(noun, family, mammal, whale) |
| ocean(noun, environment, water, habitat) |
| school(noun, group, family, mammal, whale) |
| water environment(expression, water, habitat, hydrarch) |
| whale(noun, type, species, mammal) |
| aquatic environment(expression, water, habitat, hydrarch) |
| family(noun, group, mammal, whale) |
| pod(noun, group, family, mammal, whale) |
| aquatic compartment(expression, water, habitat, hydrarch) |
| cetaceans(noun, type, species, mammal) |
| water(noun, environment, habitat) |
| water medium(expression, water, habitat, hydrarch) |
| percoid fish(noun, expression, animal, creature, water) |
| aquatic medium(expression, water, habitat, hydrarch) |
| aqueous medium(expression, water, habitat, hydrarch) |
| river(noun, environment, water, habitat) |
| percoid(noun, animal, creature, water) |