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Ishigaki Island Related Information
ナイトツアー、ヤシガニ

Find endangered coconut crabs on Ishigaki Island!

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Enjoy the night of Ishigaki Island with a night tour.
Let's look for the endangered coconut crab☆.

石垣島で絶滅危惧種のヤシガニを探そう!

After fireflies, "coconut crabs" are the second most popular creature on night tours to enjoy the night in Ishigaki Island.

The hermit crab is a member of the hermit crab family, which is known as an endangered species!

For those who...
◆Those who want to enjoy the nature of Ishigaki Island at night
◆ For those who wish to observe coconut crabs and other organisms.
◆Interested in endangered coconut crabs?
◆Those who want to create special memories by exploring nature at night
Those who want to enjoy fireflies and starry skies together.

In this article, we will introduce the ecology of coconut crabs living on Ishigaki Island, where such subtropical virgin forests spread, and how to enjoy them on night tours!

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What is the endangered coconut crab?

石垣島で絶滅危惧種のヤシガニを探そう!

coconut crab (Birgus latro)nocturnal creatureand at night they appear in mangrove swamps and around caves.

Designated as endangered speciesThe number of individuals is small, but the habitat is limited, so there is a relatively high probability of encountering them on Ishigaki Island.

Tidbits of knowledge about coconut crabs
It is said that coconut crabs have 'no concept of life span.As aging progresses, they undergo molting and are reborn as new cellsBecause of its mechanism, it is also a subject of medical research.

If the day comes when this structure is elucidated and applied to humans, we may be able to stay young...!

石垣島で絶滅危惧種のヤシガニを探そう!

Although the coconut crab is said to have 'no life span,' it stillWhy it is an endangered speciesThere are

It appears to have a hard shell,In fact, very vulnerable to impactIt is the most common cause of death in the United States. As a result, they are often killed by falling from tall trees or ingesting toxic food.

石垣島で絶滅危惧種のヤシガニを探そう!

Especially on Iriomote Island and elsewhere, coconut crabs sometimes appear on roads at night, and accidents with vehicles are a threat to their survival.

When driving at night, please be very careful to avoid coconut crabs on the road and drive safely.

It is important that we take the smallest care we can to protect their habitat!

 

Palm crab's favorite food, "adan nut."

石垣島で絶滅危惧種のヤシガニを探そう!

The coconut crab is a pineapple-shaped "adan (Rutaceae)It is said that where there are adan nuts, there are coconut crabs.

They also eat coconuts, as the name implies, though,Actually omnivorous, eats almost anything.is a feature of this product.

This voracious appetite can backfire, and even toxic foods can be consumed if they seem palatable. As a result, they may fall ill or even die. This is the reckless side of the coconut crab that lies behind its vigorous vitality!

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Size of coconut crab (body length)

石垣島で絶滅危惧種のヤシガニを探そう!

The coconut crab is shaped like a crab, but has a unique appearance that makes it look like it belongs in the tropics.

Their size is astonishing, with the largest coconut crabs measuring 40 cm in length and some exceeding 1 m when their legs are spread out. This size is truly one of the largest and most powerful in Japan!

 

The power of coconut crab scissors

石垣島で絶滅危惧種のヤシガニを探そう!

The coconut crab is also known for its powerful scissors. Although the larger ones weigh about 4 kg, theGrip strength reaches a whopping 300-400 kg.It is said.

It is amazing that they can lift weights 100 times their own weight!

石垣島で絶滅危惧種のヤシガニを探そう!

However,Coconut crabs basically do not attack people on their own.The first time I saw a new product, I was surprised to learn that it was not available in the market. However, out of curiosity.Never put your fingers near the scissors.Oh my god!!!

Enjoy your encounter with the coconut crab as you are impressed by its strength and unique appearance.

 

There is a culture of eating coconut crab on Ishigaki Island.

石垣島で絶滅危惧種のヤシガニを探そう!

You can eat coconut crabs in the same way as regular crabs.Commonly eaten boiled.and its rich flavor is appealing. The soup dishes using coconut crab extract are also well known for their delicious taste.

Currently, opportunities to eat coconut crab are limited due to resource conservation, but it is interesting to learn that this traditional food culture is part of the local culture.

 

 A fairly high probability of meeting.
Let's go looking for coconut crabs in Ishigaki Island at night!

石垣島で絶滅危惧種のヤシガニを探そう!

In the Jungle Night Tour on Ishigaki Island,You will almost certainly encounter coconut crabs!...and the area is also known for its mangrove swamps and caves. In particular, mangrove swamps and caves near beaches are known as habitats for coconut crabs.

During the warmer months, you may see not just one or two, but five or six of them in a cave together, which can be an overwhelming sight.

石垣島で絶滅危惧種のヤシガニを探そう!

On a night tour of Ishigaki Island, you can encounter not only coconut crabs but also various other fascinating night sights and creatures.

Nocturnal flying foxes, giant rocks said to have been washed away by the tsunami, and fireflies that light up the ground when the time is right are just a few of the highlights. In addition, if the weather is fine, you will be able to enjoy the star-filled sky and shooting stars.

The night tour is a great way to fully experience the great nature that spreads out at night on Ishigaki Island. Please join us and fully enjoy this special experience☆.

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Introduction of Ishigaki Island's coconut crab habitat

(1) Vanna Park

石垣島で絶滅危惧種のヤシガニを探そう!

Banna Park is a lush green park with the ocean nearby and a vast area of 8 km in circumference. The forested environment is home to many species, including the coconut crab!

In spring season, you can also see "Yaeyama fireflies". Nature observation at Banna Park will be a valuable experience to experience the rich ecosystem of Ishigaki Island.

 

Shiraho Coast

石垣島で絶滅危惧種のヤシガニを探そう!

Shiraho Beach, a 10-minute drive from Shin-Ishigaki Airport, is one of the best spots in Ishigaki Island for the variety and quantity of corals.

Especially rareLarge colony of blue coralis also famous for its precious environment, which is known for its extremely high biodiversity.

This rich ecosystem is also an ideal habitat for the coconut crab. The area around the Shiraho Coast has abundant sources of nutrients that provide food for the coconut crabs, creating a habitat conducive to their survival.

 

(3) Hirakubozaki area

石垣島で絶滅危惧種のヤシガニを探そう!

Coconut crabs have also been observed in the Hirakubozaki area, and are especially abundant along the west coast.

There is a designated protection area along the west coast of Hirakubozaki, and according to the ordinance, from December to August of the following yearTrapping coconut crabs is prohibited.If you encounter a coconut crab during a sightseeing visit, leave it alone. If you encounter a coconut crab during your visit, leave it alone.

Basic Information on Hirakubozaki
Spot name: Hirakubozaki
Access: 50 minutes by car from Shin-Ishigaki Airport, 90 minutes by car from the city center
Parking: Available
Meals (nearby): None
Toilet: None


 

(4) Mikamizaki area

石垣島で絶滅危惧種のヤシガニを探そう!

Mikamizaki isThe westernmost cape of Ishigaki Islandand is known as a spectacular spot for viewing beautiful sunsets.

It is characterized by the view of rough waves crashing on the rugged rock surface, and is a must stop when visiting Ishigaki Island.

The area around Mikamizaki is thick with subtropical plants, and you may even see coconut crabs scurrying along the nearby beach at night.

Basic Information on Mikanzaki

 

(5) Akashi Beach

石垣島で絶滅危惧種のヤシガニを探そう!

The protected area for coconut crabs introduced at Hirakubozaki extends to the Akashi area, which is also a habitat area.

Akashi Beach isMany adan trees, a favorite food of coconut crabs, grow wild.In the past, many coconut crabs were observed in the area.

Recently, the number of confirmed sightings has decreased considerably, and the species is now listed in the Red Data Book as an endangered species and subject to protection.

 

6) Kabira Bay

石垣島で絶滅危惧種のヤシガニを探そう!

Kabira Bay, one of Ishigaki Island's representative scenic spots, does not have many adan trees, a favorite food of the coconut crab, but its proximity to the ocean and abundance of subtropical flora and fauna make it a suitable habitat for the crabs.

It is sometimes said that "where there are adan trees, there are coconut crabs," but that does not mean there are no coconut crabs where there are no adan trees.

Since coconut crabs are omnivorous, they may be seen if food is abundant and the environment is suitable for their habitat. You may be able to find coconut crabs in Kabira Bay if you look for them at night!

Basic Information on Kabira Bay
Name: Kabira Bay
Access: 40 minutes by bus from the bus terminal
Parking: Available


⬇︎ also recommends activity tours held in Kabira Bay☆.

 

summary

石垣島で絶滅危惧種のヤシガニを探そう!

Designated as an endangered species, the coconut crab is a much-loved nocturnal creature in the Yaeyama Islands; on March 30, 2018, Ishigaki City was recognized as a "starry sky protected area," and its beautiful night sky has attracted attention both in Japan and abroad.

If you join the night tour, you can not only enjoy the star-filled sky, but also have a precious experience to observe nocturnal coconut crabs. Why don't you spend a special night to enjoy the nature, starry sky, and mysterious appearance of coconut crabs unique to Ishigaki Island at the same time?

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