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Scientists Accidentally Bred the Fish Version of a Liger:
American paddlefish and Russian sturgeon were not supposed to be able to create hybrid offspring. Surprise!
[...] At first glance, American paddlefish and Russian sturgeon seem about as different as two fish can be.
The Russian sturgeon, whose eggs are used to make top-shelf caviar, is a carnivore that hoovers crustaceans and smaller fish off the floor of rivers, lakes and coastal areas the world over. The American paddlefish, found in only 22 of the United States, is a filter feeder that strains zooplankton from the water. It has a comically long snout covered with tens of thousands of sensory receptors.
[...] Last year, researchers were trying to induce gynogenesis, a form of asexual production that requires the presence of sperm, but not the actual contribution of their DNA, in Russian sturgeon.
Something unexpected happened: The paddlefish sperm the researchers were using successfully fertilized the sturgeon eggs.
[...] Hundreds of hybrids emerged from those eggs and a month later, more than two-thirds of them were still alive. Around 100 of these hybrids are alive today.
Both creatures are known as “fossil fish” because of their ancient lineage. Their last common ancestor swam during the age of the dinosaurs, and the two have been evolving independently, on opposite sides of the planet, for over 184 million years — which makes them nearly twice as evolutionarily diverged as humans and mice. That led scientists to assume that they were too evolutionarily diverged to be hybridized.
Journal Reference:
Jenő Káldy, Attila Mozsár, Gyöngyvér Fazekas, et al. Hybridization of Russian Sturgeon (Acipenser gueldenstaedtii, Brandt and Ratzeberg, 1833) and American Paddlefish (Polyodon spathula, Walbaum 1792) and Evaluation of Their Progeny, Genes (DOI: 10.3390/genes11070753)
(Score: -1, Troll) by Anonymous Coward on Friday July 24 2020, @01:14PM (8 children)
Democrats, SJW, BLM.
(Score: 0) by Anonymous Coward on Friday July 24 2020, @01:38PM (1 child)
At least the scientists in TFA are more responsible:
(Score: 2) by looorg on Friday July 24 2020, @01:45PM
Considering they are asexual it might just be to much work. Question then is are they tasty and what did the caviar taste like?
(Score: 2) by VLM on Friday July 24 2020, @09:50PM (5 children)
What would the TERF commentary be on the topic of
Usually a good strategy for making fun of beliefs is trying to figure out their rationalization then make them silly (silly-er) but in this case my head hurtz from trying to figure out.
My best guess is a TERF would describe a born-man, removed balls, then living as woman, trying to get pregnant by being pegged by a lesbian wife as an attempt at human gynogenesis. Meanwhile the non-TERFs would describe it as a hate crime to mention the scientific biological problems with that reproduction strategy. Or maybe not, but its my best guess.
I'm better at shitty automobile analogies. In that case gynogensis is marketing your million dollar super car as hand made but secretly manufacturing it on a human-touch-free robotic assembly line, and when caught trying to claim its legal because humans are on site such as janitors and security guards so its kind hand made.
(Score: 2) by Azuma Hazuki on Saturday July 25 2020, @12:53AM (4 children)
From someone who came dangerously close to being a TERF herself in college...shove it. What is this bizarre fascination (presumably) straight, cisgender men have with transwomen? Why do they frighten you so much? And why does like NO ONE know transmen exist? I'm friends with three. They put the lie to the "all trans* people..." stereotypes.
Please, help me understand this. I've never met people as frightened about sex and gender as the kings of the hill, straight cisgender men.
I am "that girl" your mother warned you about...
(Score: 2) by dry on Saturday July 25 2020, @04:24AM
You really shouldn't generalize. Most of the people I know, which includes many straight, cisgender men including myself, don't really care. I think it is more like how the homophobes are usually gay and heavily in denial except when in a washroom trying to pick up people of the same sex.
Most people are actually decent and have a live and let live attitude in my experience, though on the internet there are some broken people who act like arseholes. There's a few here, especially including who you are answering to. It'd just be a sad story if not for the fact that sometimes they get power
(Score: 0) by Anonymous Coward on Saturday July 25 2020, @06:20AM (2 children)
I think in part because male culture often is more violent, and so 'passing' is more important to physical safety. I know trans men too. They don't "come up" because they pass.
Then also, I think in part people notice trans women because women get The Gaze so much more. Since that consentless sexualized inspection is much more common, overt, and accepted when towards a woman-presenting person than a man-presenting person, trans women 'pass' less. Nobody notices that a guy's adam's apple isn't prominent, or that his hips are angled a bit unusually.
(Score: 1, Insightful) by Anonymous Coward on Saturday July 25 2020, @07:47PM (1 child)
You put far too much thought and effort into that comment. Osama Hazuki is incapable of logical or rational thought. Your efforts were wasted, I'm sorry to say.
(Score: 2) by VLM on Sunday July 26 2020, @02:13PM
Its is pretty funny that I'm leading off with some empathy question of what would a X think about a Y and instead of an actual answer I get some weird rant about how when "all" white men encounter something they do not personally fetishize, they're supposed to be insulted when someone says they're either fascinated with or terrified of it, which is actually pretty funny rather the intended insult. Its not even good propaganda because people laugh at it too much.