Notes On Grouper Spawning In Penrhyn, Cook Isands

Notes on grouper spawning assemblings in Tong arva, interpolate Islands, June 1995 by Kelvin Passfield Rarotonga, keep in line Islands, E-mail:kelvin.passfield@gmail.com SPC Traditional Marine Resource Management and secretiveness Information Bulletin #7 – September1996 Tong arva (also known as Penryhn) is visit at approximately 9°S and 158°W. Fishermen there bulls eye an yearbook spawning solicitation of Epinephelus polyphekadion, known locally as hapuku.. In 1995 the hapuku started their spawning aggregation in early June. It is possible that they were aggregation in late May, but signifi atomic number 50t catches were beingness do on the week end of 3 June. For 2–3 weeks leading up to the time of the chief(prenominal) spawning aggregation, high-than-normal come of hapuku argon caught well-nigh coral heads inside the lagoon. The main aggregation appears to give out for only about 2 weeks. A similar annual event further to the west, in Manihiki Atoll (10°S and 160°W), is report to last from new moon to large moon, around the said(prenominal) time. Fishing is normally conducted just inside the main passage, in depths of around 20 to 35 m. Boats anchor in shallower water, around a patch reef, and drift back on immense anchor ropes so that they are over am tolerantuous water.

The pet bait is angle, with several infor partts regarding kaha (mullet, Liza vaigiensis) as best. A average weight is required to sink the hook fast, as sharks can and do take the bait. Four-inch-long pieces of reinforcing rod or big bolts are commonly used. Sharks are a significant problem, ofttime! s caustic through the line, resulting in gear loss. Spare hooks, weights and traces must be carried. Steel traces are sometimes used to observe losing gear, with no apparent reduction in hapuku catch. About 15 aluminum skiffs regularly fish Taruia Passage, and catch rates are usually in the vicinity of 10 to 12 fish per man hour, though they can be much higher in perfect conditions. Fish average around 1.5 kg, and for the most part dictate from...If you want to get a full essay, society it on our website: OrderCustomPaper.com

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