LAIR OR NEST - Usually an underwater cave or grotto.
DIMENSIONS [ADULT] - 40 feet long; 12 to 15 feet high.
COLORATION - Blue, black, white, green, yellow, and red.
FORMS OF ATTACK - Horns, teeth & claws used defensively, and fire breath.
FOOD - Mainly fish and birds, particuarly swan.
It seems likely that the four legendary Chinese 'dragon kings' were highly impressive specimens.
Legend also says that a Chinese lung met Fu Hsi (a chinese man) on the banks of China's Yellow River, and gave him the vital secret of writing. Fu Hsi used writing to teach people how to become civilized.