Gear and tackle for fishing for Giant Trevally. Fish WOW! The trevally fish species is considered as a bad fish for the aquariums. Page Last Reviewed: 30 Nov 2016 There are many reasons to call this fish bad for captive tanks.  Daily growth is estimated at between 3.82 and 20.87 g/day, with larger fish growing at a more rapid rate. Press the question mark key to get the keyboard shortcuts for changing dates.  The giant trevally is one of the most important apex predators in its habitats, both as adults on reefs and as juveniles in estuaries. prodivebali.com . The only time hunting in schools is a disadvantage is when only isolated prey are present, such as close to a reef; here, an individual hunter has a greater probability of capturing it than if a group is present.  Eventually, a pair would sink down to a sandy bottom, where eggs and sperm were released. Combined limit of 9 in total of both species. A hybrid of C. ignobilis and C. melampygus (bluefin trevally) has been recorded from Hawaii. It grows over 140lb and reaches lengths of well over 100cm. Bluefin Trevally can grow up to almost 4ft in length and 100lbs in weight, however, giants like that haven't been officially recorded.  Despite this, its offshore range does extend north to Hong Kong, Taiwan and southern Japan. They prey on any living form including crabs, squid, baitfish, and even birds. Rarely, they have been recorded behaving in the same way towards humans: A spearfisher in Hawaii broke three ribs when rammed by a giant trevally. The maximum theoretical length of the species predicted by the growth curves is 1.84 m, but the largest reported individual was 1.7 m long. This fish can keep alone in the aquarium but still requires a large-sized tank as it needs space to swim.  Careful fish handling techniques have also been implemented by anglers so as not to damage the fish; such techniques include supporting the fish's weight, using barbless single, rather than treble, hooks and restricting the time the fish spends out the water to a minimum..  The species has a wide salinity tolerance, as evident from the ranges from which juvenile and subadult fish in South African estuaries have been recorded; 0.5 to 38 parts per thousand (ppt), with other studies also showing tolerance levels of less than 1 ppt. The specimen was initially thought to be a bluefin trevally of world-record size, but was later rejected when it was discovered to be a hybrid.  Footage released in 2017 on Blue Planet II revealed a group of approximately 50 giant trevally hunting terns, specifically fledglings still learning to fly and which crash land in the water, as well as both fledglings and adults unfortunate enough to fly low enough for the fish to pounce on them, in Farquhar Atoll in the Seychelles. , The giant trevally inhabits a very wide range of offshore and inshore marine environments, with the species also known to tolerate the low salinity waters of estuaries and rivers. 5 out of 5 … In a few regions, these are nocturnal fish species. This later revision in classification saw the species moved to the genus Caranx, where it has remained. Trevally has the different genders which achieve the maturity of mating by reaching half of their maximum length. Flame snapper. Adults form schools and are also noted for their behaviour to closely swim around sharks and other large fish. The female trevally fish release the eggs in the open water which fertilize by the males. The authors argued, based on this test, the flesh of giant trevally was safe to consume. Catch statistics in the Asian region show hauls of 4,000–10,000 tonnes, while around 10,000 lbs of the species is taken in Hawaii each year.
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