this post was submitted on 18 Aug 2024
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The UK’s largest breed of spiders, which can grow to the size of rats and hunts fish, are making a comeback in Britain.

From near-extinction in 2010 - when only a handful remained as their wetland homes were destroyed by humans - the number of fen raft spiders are now steadily increasing thanks to recent conservation efforts.

The spiders are set to have their best year on record at nature reserves ran by RSBP.

The conservation charity revealed that the most recent survey estimates the total number of female spiders to be up to 3,750 across 12 sites in Norfolk and Suffolk Broads alone.

The spider can spin a web as large as 25cm and can grow to the size of a man’s hand.

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[–] llamatron@lemmy.world 64 points 3 weeks ago (7 children)

I'm sorry what? We have a native spider the size of a rat? Why did I not know this. This is important information.

I am never leaving the house again.

[–] Emperor@feddit.uk 25 points 3 weeks ago (1 children)

Plot twist: they're already in your house.

[–] j4k3@lemmy.world 9 points 3 weeks ago

(I'm hacking around with Cataclysm Dark Days Ahead at the moment) Noooooo!!!!!

[–] ArmokGoB@lemmy.dbzer0.com 12 points 3 weeks ago

I saw one on the wall when I was staying just outside Guildford. I was in disbelief that I would see such a thing in Europe.

[–] IchNichtenLichten@lemmy.world 9 points 3 weeks ago (1 children)

I thought they looked like the dock spiders we have in Minnesota, turns out they're the same thing. Utterly terrifying but completely harmless.

[–] YarHarSuperstar@lemmy.world 8 points 3 weeks ago

Noooo reading this I thought I was safe being all the way over here :( whyyyy

[–] j4yt33@feddit.org 6 points 3 weeks ago (1 children)

I don't think you're likely to ever come across one if you don't live in a lake, they have only been identified in a handful of places.

[–] tobogganablaze@lemmus.org 2 points 3 weeks ago* (last edited 3 weeks ago) (2 children)

They usually are found around the shore or river banks only walking onto the water for hunting. The only spider you will mostly find in a lake are diving bell spiders.

[–] tal 5 points 3 weeks ago (1 children)

The only spider you will mostly find in a lake are diving bell spiders.

https://en.wikipedia.org/wiki/Diving_bell_spider

The diving bell spider or water spider (Argyroneta aquatica) is the only species of spider known to live almost entirely under water.

That sounds neat.

Their bite is often described as being very painful to humans and as causing localised inflammation, vomiting, and slight feverishness that disappears after 5-10 days.

That sounds less agreeable than the giant raft spider.

[–] tobogganablaze@lemmus.org 2 points 3 weeks ago

Their bite is often described as being very painful to humans and as causing localised inflammation, vomiting, and slight feverishness that disappears after 5-10 days.

That sounds less agreeable than the giant raft spider.

Sentence after that:

However, solid evidence is lacking

It's really hard to get bitten by any spider. I can't imagine how hard it must be to get bitten by spider that lives underwater. I have to check those wiki sources ...

[–] j4yt33@feddit.org 2 points 3 weeks ago (1 children)

Ah I misunderstood that a fen is actually a thing (non-native speaker here). So I correct my original post to "if you don't live in a fen"

[–] janNatan@lemmy.ml 2 points 3 weeks ago (2 children)

As a native speaker, I've never heard the word "fen" in my life. So, that's probably why they didn't say that.

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[–] Swedneck@discuss.tchncs.de 5 points 3 weeks ago

they're apparently 7cm wide including the legs, so more like the size of a mouse and even then it's being a bit generous.

[–] floofloof@lemmy.ca 4 points 3 weeks ago

Maybe it's a baby rat. I'm going to believe it's a baby rat.

[–] cheddar@programming.dev 3 points 3 weeks ago (1 children)

They hunt fish. There's no need to worry if you aren't fish.

[–] llamatron@lemmy.world 9 points 3 weeks ago

If only arachnophobia were so logical

[–] bizarroland@fedia.io 26 points 3 weeks ago (1 children)

This is going to be really great for my next level one restart. I'm going to be able to get so much xp as soon as I get my hands on a dagger and a clumsily constructed wooden shield.

[–] cheddar@programming.dev 6 points 3 weeks ago

Devs are finally making some good changes, although small.

[–] j4yt33@feddit.org 19 points 3 weeks ago (3 children)

Wikipedia says "70 mm including the legs" btw. So not even close to the size of a rat

[–] echodot@feddit.uk 11 points 3 weeks ago (1 children)

They are the size of rats the size of spiders.

[–] j4yt33@feddit.org 2 points 3 weeks ago

Can't argue with that

[–] TorJansson@lemm.ee 3 points 3 weeks ago

Doesn't matter, arm thyself with a flamethrower anyway

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[–] ns1@feddit.uk 19 points 3 weeks ago (1 children)

Always uplifting to see a struggling native species doing well. Hope I get to see one of these beauties up close one day, shame they are still limited to just a few locations.

[–] tal 7 points 3 weeks ago (1 children)

And it was that very summer, when taking a leisurely swim in one of Britain's lakes, that ns1 got his wish, his face surfacing directly underneath an alarmed seven-centimeter giant raft spider on the hunt.

[–] ns1@feddit.uk 2 points 3 weeks ago

Don't think I'd want to subject the poor spider to that, however funny it would be for onlookers!

[–] flamingos@feddit.uk 17 points 3 weeks ago

Time to push the country into the sun.

[–] apotheotic@beehaw.org 15 points 3 weeks ago

That's so nice! I'm so happy for them! Is there a map of exactly where they're making a comeback so I can avoid those places particularly!

[–] NegativeLookBehind@lemmy.world 11 points 3 weeks ago
[–] 10_0@lemmy.ml 11 points 3 weeks ago (1 children)

I have a large garden spider in my house, me and it have a policy, out of sight out of deaths reach. If a spider the size of that thumbnail enters my house, there will be no places to hide, I will kos. Besides there are no rats here only flies.

[–] bizarroland@fedia.io 2 points 3 weeks ago

Up until recently I had cedar roofing and when I pulled it off there were so many spiders that got unhomed. I felt bad about that especially since I put a metal roof on and there's nowhere for them to hide now.

The spiders got their revenge though because after I unhomed all of the spiders that were protecting my house I started getting ants or the occasional bug here or there.

Fortunately, the spiders have now moved under my decks and into the cedar siding on the house and they are once again protecting my house from unwanted pests.

I love me some spiders, I don't want to touch them I don't want to deal with them but when I see them hanging out I'm like cool thanks for taking care of the place my friend.

[–] HEXN3T@lemmy.blahaj.zone 9 points 3 weeks ago (1 children)
[–] tal 1 points 3 weeks ago

There's actually a narrow arc along the northwestern coast where Australia gets a lot of rain.

goes looking for a map

https://www.australia.com/en/things-to-do/nature-and-national-parks/australias-rainforests.html

A guide to Australia’s rainforests

What better way to get back to nature than under the lush green canopy of Australia's ancient rainforests.

[–] j4yt33@feddit.org 9 points 3 weeks ago
[–] tal 9 points 3 weeks ago* (last edited 3 weeks ago)

https://en.wikipedia.org/wiki/Great_raft_spider

In October 2010 the first introduction of a great raft spider population into a new site in the UK was carried out in a joint project by Natural England and Suffolk Wildlife Trust and supported by a grant from the BBC Wildlife Fund. The project saw around 3000 spiderlings bred and reared by Dr. Helen Smith and the John Innes Centre, 1600 of which were released into suitable dykes at the Suffolk Wildlife Trust Castle Marshes nature reserve. The site is part of the Suffolk Broads and lies 50 kilometres (31 mi) downstream, from Redgrave and Lopham fen, between Lowestoft and Beccles. Work was carried out to improve the ditch network at the site to prepare for the reintroduction and provide optimal habitat for the new spider population.

Dr. Helen Smith knew that the one great problem with the UK was an insufficient number of giant spiders running around, and she intended to remedy that.

Each spiderling was hand reared in separate test tubes and fed with fruit flies.

"Eat. Eat and grow large and strong."

[–] pseudo@jlai.lu 5 points 3 weeks ago (3 children)
[–] Emperor@feddit.uk 3 points 3 weeks ago

It can eat them but catching and killing might be trickier.

[–] iAvicenna@lemmy.world 3 points 3 weeks ago* (last edited 3 weeks ago) (1 children)

and hunts fish

Sufficient info for me

[–] pseudo@jlai.lu 2 points 3 weeks ago

Well if it can eat rats, I might try to introduce this specie in my niehbourhood.

[–] Mex@feddit.uk 3 points 3 weeks ago (1 children)

a power struggle between the spiders and rats begins, with each slowly growing bigger to outpower each other, years pass and we have dog sized spider and rats, and dog kind joins in... a few years later we have cow sized spiders,rats, and dogs... it never ends.

[–] pseudo@jlai.lu 3 points 3 weeks ago* (last edited 3 weeks ago)

And one day if rats and spiders breed, I will be remember in History as the personn who reintroduce dragons in my country 😨

[–] Wooki@lemmy.world 4 points 3 weeks ago

Thats not a spider, this is a spider

points to all of australia.

[–] Wahots@pawb.social 4 points 3 weeks ago* (last edited 3 weeks ago) (3 children)

Christ, now I know why my ancestors moved to the US, haha.

[–] TheGrandNagus@lemmy.world 21 points 3 weeks ago (3 children)

Moving from the UK to the US to escape scary animals is an... interesting choice lol

[–] GreatAlbatross@feddit.uk 6 points 3 weeks ago

At least they didn't get sent to Australia!

[–] tal 4 points 3 weeks ago

The hedgehog can, when suitably agitated, get mighty feisty. Mighty feisty indeed.

[–] Warl0k3@lemmy.world 2 points 3 weeks ago

Have they seen the badgers we get over here??

[–] tobogganablaze@lemmus.org 8 points 3 weeks ago* (last edited 3 weeks ago)

I hope it wasn't to try to escape fishing spiders because the US has 9 from the same genus. And Dolomedes tenebrosus is even larger than our European ones.

[–] iAvicenna@lemmy.world 1 points 3 weeks ago

and how would that explain people moving to Australia

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