A floating bobber system for fishing which generates aquatic sounds that includes a floating bobber body having a water-tight hollow body interior and configured to at least partially float when arranged within a body of water. The system further includes an electronic circuit arranged within the body interior of the floating bobber body, the electronic circuit including a controller having reversibly programmable memory capable of replacaebly storing one or more aquatic sounds thereon, the controller being operationally coupled to a speaker for emitting the one or more aquatic sounds, a power source for providing power to the controller, and activation electronics for activating emission of the aquatic sounds from the speaker. The floating bobber body is configured to be coupled to a fishing line, and further configured to be coupled to a fishing bait.

A fish attracting assembly includes a tree that is positionable between a collapsed position and a deployed position. The tree is may be inserted through an ice fishing hole when the tree is positioned in the collapsed position. The tree is substantially comprised of a buoyant material. Thus, the tree is positioned in the deployed position when the tree is inserted through the ice fishing hole. A camera is coupled to the tree and the camera captures images below the ice fishing hole. A light emitter is coupled to the tree and the light emitter emits light below the ice fishing hole.

A fish attracting assembly includes a tree that is positionable between a collapsed position and a deployed position. The tree is may be inserted through an ice fishing hole when the tree is positioned in the collapsed position. The tree is substantially comprised of a buoyant material. Thus, the tree is positioned in the deployed position when the tree is inserted through the ice fishing hole. A camera is coupled to the tree and the camera captures images below the ice fishing hole. A light emitter is coupled to the tree and the light emitter emits light below the ice fishing hole.

A hook, fishhook, or fishing spear with at least one barb fixed to the hook, fishhook, or fishing spear with an epoxy that disbonds upon the application of an electric current. Components of the barb and the hook, fishhook, or fishing spear form a loop of electrically conductive material that carries a current induced by the application of a magnetic field generated by a magnetic field generator external to the hook, fishhook, or fishing spear. A current may be generated to disband the barb from the hook, fishhook, or fishing spear in order to facilitate the removal of the hook, fishhook, or fishing spear from an impaled fish.

A hook, fishhook, or fishing spear with at least one barb fixed to the hook, fishhook, or fishing spear with an epoxy that disbonds upon the application of an electric current. Components of the barb and the hook, fishhook, or fishing spear form a loop of electrically conductive material that carries a current induced by the application of a magnetic field generated by a magnetic field generator external to the hook, fishhook, or fishing spear. A current may be generated to disband the barb from the hook, fishhook, or fishing spear in order to facilitate the removal of the hook, fishhook, or fishing spear from an impaled fish.

A fishing caddy system which generally includes a rod holder assembly having at least one rod holder which may be rotatable to different angles to suit the user. There are hooks in the rod holder assembly for receiving the fishing line and thereby preventing the wind from blowing the line around, resulting in faster detection of catches. The rod holder assembly can be mounted to a universal mounting receiver which can be placed on any stationary body. Cup holders and other accessories may also be mounted in proximity to the rod holder assembly using other universal mounting receivers. An accelerometer may also be included which detects vibrations caused by the fishing line against the hook, alerting the user via LEDs or a wireless alert sent to the user's wireless computing device, such as a smart phone.

A fishing caddy system which generally includes a rod holder assembly having at least one rod holder which may be rotatable to different angles to suit the user. There are hooks in the rod holder assembly for receiving the fishing line and thereby preventing the wind from blowing the line around, resulting in faster detection of catches. The rod holder assembly can be mounted to a universal mounting receiver which can be placed on any stationary body. Cup holders and other accessories may also be mounted in proximity to the rod holder assembly using other universal mounting receivers. An accelerometer may also be included which detects vibrations caused by the fishing line against the hook, alerting the user via LEDs or a wireless alert sent to the user's wireless computing device, such as a smart phone.

A method of predicting a central fishing ground of flying squid family Ommastrephidae, includes three steps of setting spatial and temporal dimension, setting environmental factor, and establishing a central fishing ground prediction model. The spatial and temporal dimension includes three levels of spatial dimensions, and two levels of temporal dimensions of week and month. An SST is selected as a main environmental factor, and two environmental factors, i.e., SSH and Chl-a, are selected as a supplement. The environmental factors include four situations. According to the setting situations of the spatial and temporal dimension and the environmental factor, a set of sample schemes of 24 situations is established using permutation and combination method. An error backward propagation neural network model is established, wherein an input layer inputs data of the sample scheme set, and an output layer outputs a CPUE or a fishing ground grading index converted from the CPUE.

A method of predicting a central fishing ground of flying squid family Ommastrephidae, includes three steps of setting spatial and temporal dimension, setting environmental factor, and establishing a central fishing ground prediction model. The spatial and temporal dimension includes three levels of spatial dimensions, and two levels of temporal dimensions of week and month. An SST is selected as a main environmental factor, and two environmental factors, i.e., SSH and Chl-a, are selected as a supplement. The environmental factors include four situations. According to the setting situations of the spatial and temporal dimension and the environmental factor, a set of sample schemes of 24 situations is established using permutation and combination method. An error backward propagation neural network model is established, wherein an input layer inputs data of the sample scheme set, and an output layer outputs a CPUE or a fishing ground grading index converted from the CPUE.

A system for repelling sharks is disclosed. Magnets are connected to a rod along its length. If necessary, the rod may be extended. Additionally, one or more flotation devices may be connected to the rod to manipulate or adjust the buoyancy of the system, depending on the user's objective(s). The rod is connected to a fishing line once a fish is hooked and is in close proximity to the boat or other structure from which the fisherman is fishing. The weight of the rod and magnets cause the rod to slide down to the end of the fishing line, where the rod will come in contact with the hooked mouth of the fish. As the fish struggles during the fight, the rod creates a protective magnetic field around the fish to deter sharks from engaging the fish.