Embodiments of the present disclosure describe a raceway comprising a sloped base with an apex, a divider extending upward from the apex, two side walls, each opposing and parallel to the divider sufficient to form two elongated channels on the sloped base; and at least two tapered ends in fluid communication with the channels, each tapered end including an end wall, a pit, and a sloped floor extending from the sloped base to the end wall or pit.

Embodiments of the present disclosure describe a raceway comprising a sloped base with an apex, a divider extending upward from the apex, two side walls, each opposing and parallel to the divider sufficient to form two elongated channels on the sloped base; and at least two tapered ends in fluid communication with the channels, each tapered end including an end wall, a pit, and a sloped floor extending from the sloped base to the end wall or pit.

A wave transmission control device to control a transmitter to form a sound field in water includes processing circuitry to, when detection information is input from a sensor to detect an organism in water, determine a characteristic of the organism and a distribution state for every characteristic using the detection information, to acquire sound information based on the characteristic by referring to a database in which a characteristic of an organism and sound information are associated with each other, and to determine a sound output condition in such a manner that a distribution state changes from the distribution state which is set for the characteristic received before processing starts and to cause the transmitter to output a sound based on sound information using the output condition.

A wave transmission control device to control a transmitter to form a sound field in water includes processing circuitry to, when detection information is input from a sensor to detect an organism in water, determine a characteristic of the organism and a distribution state for every characteristic using the detection information, to acquire sound information based on the characteristic by referring to a database in which a characteristic of an organism and sound information are associated with each other, and to determine a sound output condition in such a manner that a distribution state changes from the distribution state which is set for the characteristic received before processing starts and to cause the transmitter to output a sound based on sound information using the output condition.

The present invention pertains to a method for automatic sea lice monitoring in fish aquaculture, the method comprising submerging a camera (4) in a sea pen (300) comprising fish, using the camera to make an image of at least one of said fish, analysing the image to differentiate between individual sea lice present on the fish and the fish itself and assessing the number of sea lice present on the fish, wherein the camera is attached to a device (1, 10, 100) for guiding the salmon along an imaging track (5), the camera being directed to the track.

The present invention pertains to a method for automatic sea lice monitoring in fish aquaculture, the method comprising submerging a camera (4) in a sea pen (300) comprising fish, using the camera to make an image of at least one of said fish, analysing the image to differentiate between individual sea lice present on the fish and the fish itself and assessing the number of sea lice present on the fish, wherein the camera is attached to a device (1, 10, 100) for guiding the salmon along an imaging track (5), the camera being directed to the track.

A fish monitoring system deployed in a particular area to obtain fish images is described. Neural networks and machine-learning techniques may be implemented to periodically train fish monitoring systems and generate monitoring modes to capture high quality images of fish based on the conditions in the determined area. The camera systems may be configured according to the settings, e.g., positions, viewing angles, specified by the monitoring modes when conditions matching the monitoring modes are detected. Each monitoring mode may be associated with one or more fish activities, such as sleeping, eating, swimming alone, and one or more parameters, such as time, location, and fish type.

A method of producing a bioproduct from a sea cucumber wherein the steps of weighing the sea cucumbers, cleaning the sea cucumber, and milling the sea cucumber in a milling machine for creating a sea cucumber pulp may be performed. Further, the processing of the sea cucumber pulp in a multi-step hydrolysis membrane reactor may be completed for the formation of an unfiltered bioproduct. Such a product may need filtering through an ultrafiltration membrane system to obtain a filtered bioproduct. Followed by inactivation of the protease to create a filtered bioproduct, to which drying may then be needed. The final step may be the application of the filtered bioproduct to a relevant industrial use may be described herein.

A method of producing a bioproduct from a sea cucumber wherein the steps of weighing the sea cucumbers, cleaning the sea cucumber, and milling the sea cucumber in a milling machine for creating a sea cucumber pulp may be performed. Further, the processing of the sea cucumber pulp in a multi-step hydrolysis membrane reactor may be completed for the formation of an unfiltered bioproduct. Such a product may need filtering through an ultrafiltration membrane system to obtain a filtered bioproduct. Followed by inactivation of the protease to create a filtered bioproduct, to which drying may then be needed. The final step may be the application of the filtered bioproduct to a relevant industrial use may be described herein.

Apparatus for rearing of aquatic insects, comprises one or more water trays filled with water and larvae being reared, a water inlet leading to the water surface and a water outlet leading from the water surface, the water inlet closed with an inlet valve and the water outlet closed with an outlet valve. The tray has a mesh, and the insects reared in water in the tray are above the mesh. The tray has a water cleaning configuration in which the inlet and outlet valves are open to flush clean water through the tray while the mesh holds the insects so that they do not get flushed out as the water is changed.