The giant Japanese spider crab isn’t actually a very big crab, but it just seems so big. It has big giant legs that give you the impression that it is a gigantic sea monster. There is a story about the crabs; this crab feeds himself on the dead bodies from people who died on the sea. It’s a true story because the Japanese spider crab feeds himself with almost everything that they find on the bottom, including dead animals.
(1) There is been told that these crabs were spotted in the jungles of Japan. These crabs are the largest known spices of the crabs and can live more than 100 years.
(2) They are known as taka-ashi-gani that means the tall legs crabs.
(3) The Japanese spider crab is called also Macrocheira kaempferi that belongs to the family of the arthropods. The legs of the crabs can grow up to 13 ft from its tip top.
(4) The actual body of the Japanese spider crab can only reach a size of 37 cm with a weight of 20 kg or 44 pounds. You may compare them as little sea turtles with big legs and the similar lifespan.
(5) The major characteristics of the spider crab are, it has 8 legs with 2 feeding arms.
(6) The male specimen is slightly different than the female specimens, the arms of the male specimen where the claws of the spider crab are a little bit longer than the female ones.
(7) Their body is mostly red with white spots on the legs.
(8) The eyes of the Japanese Spider crab are placed on the front and there is two little horns between them. These horns become shorter with age.
(9) Some spider crabs attach the sponges and sea anemones on their shell, just like other crabs to protect them against other predators.
(10) The Japanese spider crabs are big in size but it is a very vulnerable creature.
(11) The environment of the Japanese spider crab limits itself to the Pacific side of the Japanese archipelago.
(12) The crabs can be found in the sea depths of 150m to 800m, but mainly these crabs go to the depths of 200m.
(13) If the female Japanese Spider Crab needs to lay the eggs, then they even go to the shallow depths of 50m.
(14) It has a huge commercial use to make different dishes. The Japanese spider crab is a real delicacy in some bays like Sagami and Suruga.
(15) Mostly these crabs are caught in the spring season when they go to shallow water to lay the eggs.
(16) They have armored exoskeletons that can help them to get the proper protection from the large predators like the octopi.
(17) When they first hatch, they never look like the huge crabs but a tiny creature that you will not even notice on the first
(18) They are best to create camouflaging their bodies and this is a good strategy for them if they need to keep eyes on the predators.
(19) They have bumpy, spotted shell and it looks very similar to the rock or the ocean floor.
(20) They are quite muscular.