| Nakagawa Aquatic Park | |
|---|---|
 Nakagawa Aquatic Park and Naka River
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 | |
| 36°47′26″N 140°7′42″E / 36.79056°N 140.12833°E | |
| Date opened | July 2001 |
| Location | Otawara, Tochigi Prefecture, Japan |
| Land area | 7,008 m2 (75,430 sq ft) |
| No. of animals | 20,000[4] |
| No. of species | 300[4] |
| Volume of largest tank | 400,000 litres (106,000 US gal)[1] |
| Total volume of tanks | 600,000 litres (159,000 US gal)[2][3] |
| Memberships | JAZA |
| Website | tnap |
Nakagawa Aquatic Park (栃木県なかがわ水遊園, Tochigi ken Nakagawa suiyu en) is an aquarium attached to the Tochigi Prefectural Fisheries Experiment Station, located on the banks of the Naka River in Sarado, Otawara, Tochigi Prefecture, Japan. Although saltwater fish are also kept here, the public aquarium is mainly for freshwater fish. The aquarium opened on July 15, 2001.[5] The aquarium is accredited as a Museum-equivalent facilities by the Museum Act from Ministry of Education, Culture, Sports, Science and Technology.[6]