cohabitation (esp. of an unmarried couple); living together
aquatic (life); living in the water
aquatic life; water creatures
almost living together; spending most nights with one's partner
coexistence; living together; symbiosis; paragenesis
habitat; home (e.g. of the tiger)
terrestrial (life); land-dwelling
rookery; breeding grounds; nesting place
growing en masse in one location (of plants); living gregariously (of animals); living in flocks, herds, colonies, etc.; all living creatures
aquatic animal; aquatic fauna
living a quiet life in seclusion away from the masses
living in tranquility; retiring to the countryside; retirement house
old home; former home; old nest