アコヤガイ

アコヤガイ（Ako house shellfish　Scientific namePinctada fucata martensii)Soft body animal gateTwo shellfish cords wing shape eyeウグイスガイ courseThe shellfish which is classified. pearl cultivation at one of the "mother-of-pearl shellfishes",Pearl oysterWith also the alias which is said is well known.

About shell length 10cm. As for the shell in flat semicircle shape, the central part is thick, but the edge has become stratified, it peels off thin. The outer part of the shell is green black or green white, but inside there is a strong pearl gloss.

Pacific Ocean Indian ocean tropical region・ subtropical zones widely, even in Japan room entire peninsula it is distributed to south from here. The gloss which which from the ebb tide line band inhabits in the rocks to about of the depth of water, 20m is blue it isByssusPutting out, you locking your own body in the stones and rocks, it lives.

Cultivation

When the foreign material mixes inside the shell, in order to wind mother of pearl layer vis-a-vis the foreign material, pearlCultivationIt is used. The nucleus of the pearl has designated another shellfish as the nucleus in complete round condition.

In addition,Tune ballAlso the adductor of shape makes for food, picks separately the occasion where the pearl is removed. food串 Burning、Heaven ぷ and others、Pot-steamed hotchpotchAnd so on it is used, but the sun-dried goods it had done old.

Main area of production

Ehime prefecture Uwa sea、 Nagasaki prefecture Omura bay、 Mie prefecture English apprehension bay and the like. "Ako house shellfish"AkoWith alias of the English apprehension bay where pearl cultivation is done, Collection of Myriad Leaves (Man'youshuu).

The pearl cultivation which utilizes アコヤガイ with the inner bay whose west transparency of the every place in Japan is high is done to in addition to.