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Electrofishing. Scientists carrying out a population and species survey using electrofishing equipment. Electrofishing is a fishing technique that uses direct current electricity flowing between a submerged cathode and anode. This affects the movements of nearby fish so that they swim toward the anode, where they can be caught or stunned.
Electric pulse fishing is a fishing technique sometimes used in trawl fisheries which produces a limited electric field above the seabed to catch fish. [ 1] The pulse trawl gear consists of a number of electrodes, attached to the gear in the tow direction, that emit short electric pulses. The electrodes replace the tickler chains that are used ...
Fish aggregating device. A fish aggregating (or aggregation) device (FAD) is a man-made object used to attract pelagic fish such as marlin, tuna and mahi-mahi (dolphin fish). They usually consist of buoys or floats tethered to the ocean floor. Various types of FADs have been employed in the traditional fishing cultures of Island Southeast Asia ...
Electrofishing - is another recently developed technique, primarily used in freshwater by fisheries scientists. Electrofishing uses electricity to stun fish so they can be caught. It is commonly used in scientific surveys, sampling fish populations for abundance, density, and species composition. When performed correctly, electrofishing results ...
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A hukilau is a way of fishing invented by the ancient Hawaiians. The word comes from huki, meaning pull, and lau, meaning leaves. A large number of people, usually family and friends, would work together in casting the net from shore and then pulling it back. The net was lined with ti leaves, which would help scare the fish into the center of ...
Due to Hawaii's isolation 30% of the fish are endemic (unique to the island chain). [1] In total the Hawaiian Islands comprise a total of 137 islands and atolls, with a total land area of 6,423.4 square miles (16,636.5 km 2). [2] This archipelago and its oceans are physiographically and ethnologically part of the Polynesian subregion of Oceania.
Across Hawaii, officials and residents kept a close watch on Hone as it rotated toward the state just over a year after a faraway hurricane contributed to the deadliest wildfire in the U.S. in ...
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