Hooks was about 23, 000 years old and made shells of sea snail and it was found in cave of Sakitari in Island.
The oldest fish in this world was also 23, 000 year old and found in the Island Okinawa in a cave on the Japan coast.
According to the researchers, fish hooks were made in a shell shaped and was found in Sakitari in the show development of technology in fishing with an early stage.
The belief of Humans was to move offshore from Okinawa and the island sisters were about 50, 000 years ago and the history was an adaptation of the evolution and the area of maritime technology which is also unknown.
According to the researchers, the universities and institutes were excavated in the areas of the cave of Sakitari and the structure of limestone was on the southern region of Okinawa in 2009 and the findings were published in journal of PNAS.
According to the previous resources, there was scarce in the island and the life was supported for life long and long intervals of time. This excavation was found in the cave as an evidence of small mammals, birds, fish, frogs and eels and they suggested many humans about these rock layers.
The belief of researchers and the findings were about the excavation which indicated the islands and occupied about 35, 000 years ago. These hooks and fish remained in the animals and the researchers were found in the remains of human and the grindstone was found as well.
The charred remains were discovered with the crab that is also enough for the researchers to provide seasonal eating habits of the evidence. The crab size was indicated to capture the autumn and these were large and migrating in the downstream of reproduction and this season is the delicious one.