Cambridge : Règlement no 171-13, art. 8.2(a) — Animal Control By-law

It is not likely to harm the fish and/or snake;

• (b) Any fish and/or snake therein may be readily observed unless its natural habits otherwise require;
• (c) The fish and/or snake cannot readily escape therefrom,
• (d) It minimizes as nearly as possible the transfer of pathogenic agents;
• (e) It may be readily sanitized; and
• (f) Every fish and/or snake in the cage, tank or pen shall have adequate room for its health, welfare and comfort.