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Posts by Martin Stevens

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Incredible sea slugs — Wildlife Vision Super colourful, often extremely small, sea slugs are a perfect subject for underwater photography and macro. We have a surprisingly large number of them in Cornwall, not just found when diving but al...

I updated the blog post on my website about the local #seaslugs we get in #Cornwall and recent new arrivals

#marinebiology #uknature

www.wildlifevision.com/blog/sea-slugs

1 day ago 6 1 0 0
Hidden Jewels: The Alien Lives of Cornwall’s Sea Slugs
Hidden Jewels: The Alien Lives of Cornwall’s Sea Slugs YouTube video by Wildlife Vision

Resharing this as Bluesky seem to be down most of yesterday…

Brand new film all about the incredible and amazingly colourful #seaslugs found locally in Cornwall out now

#marinebiology #cornwallcoast #marinewildlife

youtu.be/M7xo6rLWtho?...

5 days ago 22 6 0 0
Hidden Jewels: The Alien Lives of Cornwall’s Sea Slugs
Hidden Jewels: The Alien Lives of Cornwall’s Sea Slugs YouTube video by Wildlife Vision

I just released a 10-minute film diving into the biology and beauty of these "ocean jewels”

Watch the full film here: youtu.be/M7xo6rLWtho?... 📽️

6 days ago 1 1 0 0
Hidden Jewels: The Alien Lives of Cornwall’s Sea Slugs
Hidden Jewels: The Alien Lives of Cornwall’s Sea Slugs YouTube video by Wildlife Vision

I just released a 10-minute film diving into the biology and beauty of these "ocean jewels”

Watch the full film here: youtu.be/M7xo6rLWtho?... 📽️

6 days ago 1 1 0 0

These nudibranchs aren't just pretty—they’re fierce. Some actually eat anemones and "steal" their stinging cells for their own defence! 🛡️🧪

6 days ago 0 0 1 0
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There are over 100 species of #seaslug around the UK, many incredibly beautiful, some common, some rare or new arrivals 🌈🌊

I’ve spent a decade documenting the underwater world of #Cornwall and finding rare or new species has been a highlight

#MarineBiology #marinewildlife #nudibranchs

6 days ago 12 2 1 0
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One of the many Polycera #seaslugs that have been around lately. This one crawling around on some of the bright red harpoon seaweed.

#cornwallcoast #ukwildlife #marinebiology

1 week ago 1 0 0 0
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Mine too!

1 week ago 0 0 0 0
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Spring sea slugs - so many around at the moment. The once rare rainbow #seaslugs are becoming quite common, more Polycera around than I’ve seen before, my second ever disco Doris. Here’s some recent clips
- a teaser before something bigger out next week…

#cornwallcoast #seaslugs #underwatermacro

2 weeks ago 76 22 2 2

Thank you - that’s absolutely true

2 weeks ago 1 0 0 0
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Cornwall’s Underwater Seasons — Wildlife Vision In Cornwall and elsewhere in the UK the underwater environment is highly seasonal. Over the course of the year, the abundance of marine life varies and the environment can go from tranquil to stormy, ...

New blog post on the changing underwater seasons in #Cornwall and the #wildlife at different times of year

#marinebiology #marinelife

www.wildlifevision.com/blog/seasons

2 weeks ago 8 3 1 0

Thank you - very glad you enjoyed it!

3 weeks ago 0 0 0 0
Cornwall Underwater Seasons
Cornwall Underwater Seasons YouTube video by Wildlife Vision

New film all about the #underwater seasons and wildlife in #Cornwall just out!

youtu.be/Kj0KC9V87uw?...

It’s taken a lot of work (over a year of filming), so super grateful for any views or engagement

#marinebiology #wildlife

3 weeks ago 2 2 1 0
Using Smartphones Underwater
Using Smartphones Underwater YouTube video by Wildlife Vision

If you’re potentially interested in using a #smartphone for underwater photography or filming, here’s an intro guide

youtu.be/Do8lPNBlUzE?...

#underwaterphotography #underwaterfilming #diving #snorkelling

1 month ago 2 1 0 0

Thank you!!

2 months ago 0 0 0 0

Thank you - that’s very nice to know since I’m often paranoid it ruins it!

2 months ago 0 0 1 0
Cornwall Underwater Wildlife
Cornwall Underwater Wildlife YouTube video by Wildlife Vision

Next YouTube film is now live - have a watch if you want to see lots of marine #wildlife of #cornwall and underwater scenery

#marinebiology #underwater #diving

youtu.be/eIHkWLV-ZXY?...

2 months ago 4 1 1 0
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Thank you!

2 months ago 0 0 0 0
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Very excited to team up with Dive UK for underwater photography workshops in #Cornwall this summer!

Booking now open
diveuk.uk/pages/underw...

#underwaterphotography #marinebiology #scubadiving

2 months ago 2 0 0 0
Winter rock pool photography
Winter rock pool photography YouTube video by Wildlife Vision

New video on winter rock pool marine #wildlife and #underwater photography

I’ve been a bit quiet on here lately, partly focussing on making a series of films about the wildlife here and starting a YouTube channel. First full film out now:
#marinebiology #cornwall

youtu.be/DckPAAyWrNU?...

2 months ago 211 37 3 5

Thanks!

5 months ago 1 0 0 0

You’re thinking of Portuguese Man O’War and blue bottles? The by the wind sailors we get here are completely harmless. You can hold them on your hand and feel nothing at all

5 months ago 0 0 1 0

Not to humans but possibly to small animals. The by the wind sailors are harmless to us

5 months ago 1 0 1 0

Amazing isn’t it!

5 months ago 1 0 0 0
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The rare & beautiful violet sea snail - a predator of Portuguese Man O’War & by-the-wind sailors. It lives its whole life at the surface of the open ocean, using a bubble raft to stay afloat. It’s normally more common in warmer waters but occasionally seen here
#marinebiology #marinelife #oceanlife

5 months ago 282 63 6 3
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A mauve stinger #jellyfish in front of an avenue of yellow #seaweed. This from last autumn when we had huge blooms of these jellyfish - by contrast I’ve not seen a single one this year.
#CornishWildlife #MarineLife #UnderwaterPhotography

5 months ago 37 5 0 0
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Very fortunate to find another rainbow #seaslug the other day. This was the smallest I’ve seen - about the size of a grain of rice (next to my fingertip for scale).
#cornwallwildlife #nudibranchs #ukunderwater #marinelife #uwphotography

6 months ago 15 2 0 1
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Sea fog around the #Cornwall coast this morning at sunrise. Another stunning start to the day!
#shotoniphone #cornishcoast #ukcoast

6 months ago 3 0 0 0

Definitely true!

6 months ago 1 0 0 0
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Cuttlefish changing colour over the sand - this is the same #cuttlefish but the sequence of photos shows how it can change its colour and texture for both camouflage and communication.
#marinelife #underwaterphotography #marinebiology

6 months ago 10 1 0 0