Pet Zoo Med Laboratories AZMBL20 Betta Hammock, Naturalistic leaf hammock for your Betta Supply Store/Shop Zoo Med Laboratories Betta Hammock. A naturalistic leaf hammock for your Betta to rest on. Allows your Betta to rest near the surface of the water just like they do in nature. Attaches to Betta Enclosure with suction cup (included). Attaches to Betta Enclosure with suction cup (included).