Shown and described is a handle for a fish spear, the fish spear comprising a one-piece or multi-piece spear rod and an elastic band as a tensioning element, the spear rod having a spear tip at one end and the elastic band being attachable to the other end of the spear rod to tension the elastic band along the spear rod with a user's hand, wherein the handle is adapted to releasably secure the tensioned elastic band and includes a trigger mechanism for manually releasing the elastic band from the handle.

Shown and described is a handle for a fish spear, the fish spear comprising a one-piece or multi-piece spear rod and an elastic band as a tensioning element, the spear rod having a spear tip at one end and the elastic band being attachable to the other end of the spear rod to tension the elastic band along the spear rod with a user's hand, wherein the handle is adapted to releasably secure the tensioned elastic band and includes a trigger mechanism for manually releasing the elastic band from the handle.

A hunting and fishing gear includes a haft (1), a harpoon body (2) extending in a longitudinal direction of the haft (1) from one end of the haft (1), and a plurality of harpoon tips (3) extending in a lateral direction Y from one side portion of the harpoon body (2) in a direction intersecting the longitudinal direction X of the harpoon body (2), and a barb (5) or a come-off prevention section (11; 12) provided to protrude into a space part (4) from at least one of the harpoon tips (3) located in the space part (4). Therefore, when a person grips a handle (7) with the person's hand (17) to use the hunting and fishing gear by swinging it in the direction of an arrow Z, the plurality of harpoon tips easily pierce a prey.

A hunting and fishing gear includes a haft (1), a harpoon body (2) extending in a longitudinal direction of the haft (1) from one end of the haft (1), and a plurality of harpoon tips (3) extending in a lateral direction Y from one side portion of the harpoon body (2) in a direction intersecting the longitudinal direction X of the harpoon body (2), and a barb (5) or a come-off prevention section (11; 12) provided to protrude into a space part (4) from at least one of the harpoon tips (3) located in the space part (4). Therefore, when a person grips a handle (7) with the person's hand (17) to use the hunting and fishing gear by swinging it in the direction of an arrow Z, the plurality of harpoon tips easily pierce a prey.

Some embodiments may be of spearfishing apparatus fitted with at least one magnet configured to repel sharks away from the spearfishing apparatus. The spearfishing apparatus may be one or more of: a spearfishing shaft, a spearfishing tip, and/or a spearfishing gun. Such magnets may be electromagnets powered by batteries in some embodiments.

Some embodiments may be of spearfishing apparatus fitted with at least one magnet configured to repel sharks away from the spearfishing apparatus. The spearfishing apparatus may be one or more of: a spearfishing shaft, a spearfishing tip, and/or a spearfishing gun. Such magnets may be electromagnets powered by batteries in some embodiments.

Presented is a system and method via nature-inspired design and engineering to autonomously fish, sort and deliver the catch. It implements rope-less fishing via a novel variable buoyancy device and an autonomous aerial and underwater vehicle as a fishing gear carrier. Its versatile capabilities are comprised of the AI sorting capability to comply with regulations, the capability to capture renewable energy to reduce operating costs, the capability to both passively fish with bait and proactively hunt for fish and the capability to gather intelligence to find optimal fishing grounds.

Presented is a system and method via nature-inspired design and engineering to autonomously fish, sort and deliver the catch. It implements rope-less fishing via a novel variable buoyancy device and an autonomous aerial and underwater vehicle as a fishing gear carrier. Its versatile capabilities are comprised of the AI sorting capability to comply with regulations, the capability to capture renewable energy to reduce operating costs, the capability to both passively fish with bait and proactively hunt for fish and the capability to gather intelligence to find optimal fishing grounds.

Presented is a system and method via nature-inspired design and engineering to autonomously fish, sort and deliver the catch. It implements rope-less fishing via a novel variable buoyancy device and an autonomous aerial and underwater vehicle as a fishing gear carrier. Its versatile capabilities are comprised of the AI sorting capability to comply with regulations, the capability to capture renewable energy to reduce operating costs, the capability to both passively fish with bait and proactively hunt for fish and the capability to gather intelligence to find optimal fishing grounds.

Presented is a system and method via nature-inspired design and engineering to autonomously fish, sort and deliver the catch. It implements rope-less fishing via a novel variable buoyancy device and an autonomous aerial and underwater vehicle as a fishing gear carrier. Its versatile capabilities are comprised of the AI sorting capability to comply with regulations, the capability to capture renewable energy to reduce operating costs, the capability to both passively fish with bait and proactively hunt for fish and the capability to gather intelligence to find optimal fishing grounds.