The previous pygmy hippopotamus age record was held by a male named “Rif,” who was housed in Rostov-on-Don in Russia and passed away in ... and a 13,000-square-foot pen complete with a pond, ...

Pygmy hippos, meanwhile, grow between 350 and 600 pounds and top out at no more than six feet in length, compared to the common hippo’s 10.8- to 16.5-foot-long body.