Phobias: Fear of drinking?

Questions

Unlike dolphins, porpoises are not very ----------?

The rear portion of the head of a horse is called the ----------?

Unlike most fish, electric eels cannot get enough oxygen from water. Approximately every five minutes, they must surface to breathe, or they will drown. Unlike most fish, they can swim both ----------?

The ring-tailed ----------, a primate found only in Madagascar, meows like a cat.?

The giant African ---------- grows to a foot long and reaches weights greater than a pound.?