Admission fee of an aquarium = 1000 yen ($10.53 €8.00)

Admission fee of Tokyo Tower Aquarium costs 1000 yen ($10.53 €8.00).

Tokyo Tower is a broadcasting tower currently. However a brand-new tower Tokyo Sky Tree will succeed its role from mid of this year. 

Tokyo Tower has an aquarium at the ground floor.

The above is Electric eel

Piranha

Alligator snapper

If you want to know something about Tokyo, ask me it please.