The ornamental design for an aquatic and petscontainer, as shown and described.
FIG. 1 is a front elevational view of an aquatic and pets container showing my new design;
FIG. 2 is a rear elevational view thereof;
FIG. 3 is a left side view thereof;
FIG. 4 is a right side view thereof;
FIG. 5 is a top plan view thereof; and,
FIG. 6 is a bottom plan view thereof.
The broken lines showing portions of an aquatic and pets container are included for the purposes of illustrating environmental structure and form no part of the claimed design.