Method for guiding aquatic crustaceans by utilizing their biological tendency responding to bright and dark contrast
OwnerShyh-Min Tom Hsiaoinventor
Life of this patent
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Abstract
A method for directing the displacement of aquatic crustaceans after feeding by utilizing their biological tendency responding to a bright and dark contrast is provided. This method comprises steps to generate the visual effect of this bright and dark contrast at a predetermined place within the water body of culture. Light coming from light emitters directly or from reflection of protrusions and/or painted patterns/figures, and/or filtration of light filters, with the existence of illuminating light, are used for generating visual effect of the bright and dark contrast.
Claims20
A method for attracting aquatic crustaceans to move to a predetermined place, which comprises the steps of:
- providing a container in which a water body of culture is loaded;
- and
- generating an effect of bright and dark contrast at said predetermined place inside said container;
- wherein said predetermined place is selected from the group consisting of a region of said container's bottom portion under the water surface of said water body of culture, a region of said container's wall under the water surface of said water body of culture, a region at or under the water surface of said water body of culture on a floating attachable material and a region at or under the water surface of said water body of culture on a fixed attachable material;
- and
- whereby said predetermined place can be distinguished into a first brightness sub-area and a second brightness sub-area and said first brightness sub-area is brighter than said second brightness sub-area.
A method for attracting a shrimp and/or a crab to move to a predetermined place, which comprises the steps of:
- providing a container in which a water body of culture is loaded;
- and
- generating an effect of bright and dark contrast at said predetermined place inside said container;
- wherein said predetermined place is selected from the group consisting of a region of said container's bottom portion under the water surface of said water body of culture, a region of said container's wall under the water surface of said water body of culture, a region at or under the water surface of said water body of culture on a floating attachable material and a region at or under the water surface of said water body of culture on a fixed attachable material;
- and
- whereby said predetermined place can be distinguished into a first brightness sub-area and a second brightness sub-area and said first brightness sub-area is brighter than said second brightness sub-area.
A method for attracting at least one of the following species, Litopenaeus vannamei, Penaeus monodon, Penaeus setiferus and Panaeus japonicus, and/or a crab to move to a predetermined place, which comprises the steps of:
- providing a container in which a water body of culture is loaded;
- and
- generating an effect of bright and dark contrast at said predetermined place inside said container;
- wherein said predetermined place is selected from the group consisting of a region of said container's bottom portion under the water surface of said water body of culture, a region of said container's wall under the water surface of said water body of culture, a region at or under the water surface of said water body of culture on a floating attachable material and a region at or under the water surface of said water body of culture on a fixed attachable material;
- and
- whereby said predetermined place can be distinguished into a first brightness sub-area and a second brightness sub-area and said first brightness sub-area is brighter than said second brightness sub-area.
A method for attracting at least one of the following species, Litopenaeus vannamei, Penaeus monodon, Penaeus setiferus and Panaeus japonicus, to move to a predetermined place, which comprises the steps of:
- providing a container in which a water body of culture is loaded;
- and
- generating an effect of bright and dark contrast at said predetermined place inside said container;
- wherein said predetermined place is selected from the group consisting of a region of said container's bottom portion under the water surface of said water body of culture, a region of said container's wall under the water surface of said water body of culture, a region at or under the water surface of said water body of culture on a floating attachable material and a region at or under the water surface of said water body of culture on a fixed attachable material;
- and
- whereby said predetermined place can be distinguished into a first brightness sub-area and a second brightness sub-area and said first brightness sub-area is brighter than said second brightness sub-area.
Dependencies are inferred from the claim text.