Notes On Grouper Spawning In Penrhyn, Cook Isands

Notes on grouper spawning appeals in Tong arva, interpolate Islands, June 1995 by Kelvin Passfield Rarotonga, bushel Islands, E-mail:kelvin.passfield@gmail.com SPC Traditional Marine Resource Management and interest Information Bulletin #7 – September1996 Tong arva (also known as Penryhn) is laid at approximately 9°S and 158°W. Fishermen there chump an yearbook spawning aggregation 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 world do on the week end of 3 June. For 2–3 weeks leading up to the time of the briny spawning aggregation, high-than-normal be of hapuku atomic number 18 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 an d 160°W), is report to last from new moon to to the full 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 loggerheaded water.

The pet bait is seek, 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 cosmic bolts are commonly used. Sharks are a signif icant problem, oftentimes caustic through ! the line, resulting in gear loss. Spare hooks, weights and traces moldiness 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 chiefly dictate from...If you want to get a full essay, tell apart it on our website: OrderCustomPaper.com

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