Very popular with children! An aquarium in the forest" with a large collection of rare freshwater fish in Japan. Yamanashi Prefectural Fuji Spring Water Aquarium

  • Yamanashi
  • Sightseeing
Aquarium in the Forest. The centerpiece of the "Aquarium in the Forest" is the "Double Migration Tank.
The Yamanashi Prefectural Fuji Spring Water Aquarium is located at the foot of Mt.
Fuji. It is also located about 5 minutes by car from the famous "Oshinohakkai," which is famous for its high transparency.
The aquarium, which gives the illusion that fish are flying in the air, is an "aquarium in the forest," using highly transparent Fuji spring water. Fuji spring water!

Reason why the aquarium is so popular with children.

Various hands-on events are being held in the aquarium!
Visitors can try their hand at making their own uchiwa fans, making gel candles, scooping goldfish in summer, and other seasonal activities.
The participation fee is reasonable, ranging from 100 yen to the museum admission fee.

The aquarium's tanks are low enough to be enjoyed from a child's perspective, and there are even stepladders to make it easier for children to observe the aquarium!
The aquarium in the forest.

Aquarium in the forest. What is it like?

The aquarium is compact, but there are many ways to keep children entertained with a variety of freshwater fish swimming in various tanks!
The double tank in the center of the facility is a sight to behold, with large fish and small fish seemingly swimming together.

Double Migration Tank

The double tank in the center of the facility is a fascinating sight to behold, with large and small fish, such as itou and rainbow trout, appearing to swim together.

Yokomimi Tank

A sheet of glass separates it from the outside pond, allowing visitors to see the inside of the pond from right beside it.
Combined with the forest outside, you can enjoy the feeling of being underwater in the forest!

Many other unique aquariums

Other features include the "deep water fish tank," which is inspired by Lake Nishiko and Lake Motosu, the deepest of the Fuji Five Lakes, and the "running water tank," which recreates the habitat of fish from the headwaters of rivers to the middle of rivers.
Fuji, and a "fish tank by the shore" that reproduces a lakeside reed bed.
Another popular feature is the "Monthly Aquarium," whose contents change according to the theme each month!

Rare freshwater fish you can see in the aquarium

Rainbow trout," a cold-water species that lives in cold water of less than 12 degrees Celsius even in summer
The only freshwater jellyfish in Japan

Aquarium staff recommendations on how to enjoy the aquarium

Comment from staff
During the summer vacation season, the aquarium is crowded with visitors with children.
The aquarium is also used as a sightseeing spot on rainy days, so instead of visiting Oshinohakkai, please stop by the "Aquarium in the Forest. Please stop by the "Aquarium in the Forest" instead of Oshinohakkai.

Surrounded by aquariums with low water temperatures throughout the year, the aquarium is very cool, making it an ideal summer retreat.
The aquarium uses water from a spring in Fuji, so the water is the cleanest in the world! Please come and take a closer look at the freshwater fish swimming in the crystal clear water!

Each tank has a commentary on how the fish are kept, so it would be great if you read that too♪
The tunnel tank is also mysterious.

Facility Information

The Aquarium in the Forest is located in the Sakana Park.
Aquarium in the forest. Official HP
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