Providing spawning grounds for cephalopods.
The Shell Nurse squid spawning reef serves as a spawning ground for species such as spear squid, bigfin reef squid, and cuttlefish. 【Features】 - The underside of the shell substrate serves as a spawning substrate for spear squid. - The upper side of the shell substrate is colonized by kelp and other seaweeds, becoming a spawning ground for bigfin reef squid and cuttlefish. *For more details, please refer to the PDF document or feel free to contact us.
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basic information
【Specifications】 ■Dimensions: Width 2.2m, Length 2.2m, Height 0.4m ■Weight: 0.5t *Dimensions and weight can be modified according to requirements. *For more details, please refer to the PDF document or feel free to contact us.
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Applications/Examples of results
【Purpose of Use】 ■Protection of squid spawning ■Creation of seaweed beds 【Achievements】 Yamaguchi Prefecture
Detailed information
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Eggs of the spear squid laid on the underside of a shell substrate.
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Eggs of the cuttlefish laid on the surface of algae thriving on the shell substrate.
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Eggs of cuttlefish laid on a shell substrate.
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Squid swimming around the reef.
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A squid swimming inside the reef.
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Mating behavior of cuttlefish was observed near the reef, and they were laying eggs on the shell substrate.
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Company information
Ocean Construction Co., Ltd. was established in 1983 as a company engaged in the development of various artificial reefs and the investigation of aquatic environments and fishing grounds. Since then, we have been striving to create a rich ocean, conducting activities in seas across the country. The shellfish reef "JF Shell Nurse," developed utilizing our long-standing experience of observing the ocean, has received high praise from various sectors. Leveraging the know-how accumulated in reef development, we aim to contribute even more to the creation of a rich ocean in a wide range of fields, including the development of fishing grounds and breeding grounds, recycling, and water quality purification.
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