Some of my mates like fly-fishing; I commend them. This activity is a fine demonstration of a person’s positive qualities. People who spend their leisure time traipsing across the highlands, just to dangle a tiny sculpture of steel, threads, feathers and other bric-a-brac in front of a fish – only to have the fish generally display its species’ rather snobbish attitude towards contemporary art – deserve credit for their patience, devotion, and optimism (no matter how unwarranted).
Tasmania is well-known around the world as a famous fly-fishing destination. In rivers and lakes all across the island, you’ll find waters worthy of a line. Brown and rainbow trout wriggle away in the cold streams descending from the mountains. They are lovely creatures. It is nice to see fish rising in the Mersey or the South Esk. They seem wholesome.
But of course, these animals (i.e. Salmo trutta; Oncorhynchus mykiss) weren’t originally found in Tasmania. This island’s waterways carried on without trout until 1864, when the first brown and rainbow trout were raised in the southern hemisphere. There had been a number of failures: beginning in 1852, with 50,000 salmon and trout ova that arrived on the Columbus and failed to acclimatise, effort and money (as well as piscine offspring) went to waste almost annually on importing the fish.
But 1864 brought the successful introduction with both trout and salmon, here on the River Plenty. The cold, clear, mountain-sourced waters of the Plenty run out the sea, which made it perfect as a breeding ground for the salmon. Mr. Robert Read of ‘Redlands’ gave access to the river through his property. Enthusiasts led by the entrepreneurial Morton Allport watched over the development.
Soon, Tasmanian ova and fry were being exported around Australia and into New Zealand. Constable James Wilson stocked the Great Lake in 1870. Various other intrepid fishermen undertook expeditions into the central highlands to hasten the introduction of these foreign fish into the island’s river systems.
Nowadays, some 30,000 licensed anglers fish Tasmanian waters each year. It’s a niche tourist trade, and a font of innumerable good yarns. The Salmon Ponds, now a historic site, does a decent trade itself: visitors can see great numbers of handsome trout and salmon varieties moving languorously through the dark water to receive their pellets of feed. The day I was there, a platypus stole the show, scratching its noggin for about five minutes in full view.
But what of the native fish of Tasmania? Some experts the various species of galaxiids, a small freshwater fish family found only in the southern hemisphere, are under threat due to competition with trout, and even from direct predatory attacks. The poor Pedder galaxias (Galaxias pedderensis) is extinct in the wild, following the construction of an impoundment that flooded the river. Of many of the galaxiidae, little is known.
As always with the relationship between humans and other animals, it’s complicated.
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