+/- 100 Red Handfish Remain In The Wild; Oz Scientists Removing Up To Half To Tanks As Heatwaves Gather

[hatrack]

Scientists in Tasmania will remove up to half of the island’s “emblematic” red handfish from the wild ahead of expected marine heatwaves deemed an existential threat to their survival. The critically endangered Tasmanian red handfish population has fallen to between 50 and 100 in the wild, due to the degradation of the seaweed habitat it needs to breed.

The fish, which uses its over-sized fins for hands to walk across the sea floor, rather than swim, will now be housed at breeding facilities in Tasmania to protect them from the summer’s expected marine heatwaves. Environment minister Tanya Plibersek said she had provided an exemption under federal environment law for scientists to collect up to 25 red handfish.

They will be housed at the Institute for Marine and Antarctic Studies (IMAS), which will be monitoring the remaining wild red handfish population for signs of stress, and if necessary, will collect the remaining fish and relocate them to the Institute’s facilities. Plibersek said the government had also invested $240,000 to improve the condition of the species’ wild habitat and recover the health of captive animals.

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Adrian Meder, the sustainable seafood program manager at the Australian Marine Conservation Society, said the fish was possibly the most endangered fin fish species in the world, with waters off south-eastern Australia warming at almost four times the global average. “I would say a single adverse event could be the end of the species,” he said. “So this government intervention is very welcome.” Meder said it was actually sea urchins, taking advantage of the warmer sea temperatures, that were causing the most damage. “They are riding down on this tail of warm water, they’re growing faster, and they’re voraciously tearing up the red handfish habitat.”

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https://www.theguardian.com/environment/2023/dec/23/could-be-the-end-tasmanian-red-handfish-to-be-removed-from-wild-amid-marine-heatwaves-fears

[2naSalit]

1. And if we don't get any snow up here...

In the northern Rockies this winter, there will be no sport fishing in the greater jellystone region for sure.

Or we could get bombed late in the season and have another catastrophic flood. We were really lucky this past year, no floods or large fires, not much killer heat like most years of late and not much wind which is really unusual for this area.