Amazing Nature Contest hosted by @bucipuci 🌸🦋🥰
* FREE TOPIC *
The river crayfish (Astacus astacus)
When I met these crabs, I was surprised because I didn't even know there were crabs in our rivers. Then I read that it lives only in clean rivers, the bottom of which is clayey and gravelly. That it is a protected species because it is becoming less and less... And hunting for crabs is completely prohibited...
Crabs feed on the bottom, eating aquatic plants, shellfish...smaller fish...insects...shellfish... amphibians... And other plant and animal remains. Crabs are important links in food chains because they feed on smaller organisms... and they themselves are a source of food for other animals.
They are hunted by otters like other mammals... Then pike and other predatory fish... And there are also birds, for example herons.
Crabs are animals that live at night and spend the day hidden, mostly... Because as you can see, I photographed them during the day... So I was surprised when I found that they are active mostly at night.
They seemed lively to me even now as I watched them caressing themselves on the concrete.... Were they sunbathing or just examining the territory and maybe they were also eating algae that got caught on the concrete..
They are not territorial, but when mating season or lack of space can be aggressive towards other crabs... It was still interesting to me when I read that if they lose a leg, it can grow back....
I came across crabs on the Karaš River, near Jasenovo.(Banat,Srbija)
On a small dam that makes waterfalls...
That part was beautiful to me and I wanted to get as close to the water as possible... But I didn't want to disturb the crabs, and they headed for my bare feet, so I climbed up... I didn't want them to bite me...
In male crabs, the pincers are bigger and wart-like and rougher... As the crab grows, it has to change its armor, mostly it eats the old armor because of the minerals.... The female carries about 200 fertilized eggs under her tail.. for eight or nine months... Small crabs are initially 9 millimeters in size...after the second swipe, they become independent and separate from their mother....
I hope you enjoyed this small presentation of these interesting creatures 🤗
I can't continue to be surprised that I saw them, and where did they come from 🤭
I'm not even aware of how little I know about rivers and their inhabitants... I know about various types of fish... And that's it
...
That's all for tonight.
Thank you very much for visiting my blog ❤️
Have a nice evening and wonderfull Sunday ✨☀️
https://prirodahrvatske.com/2018/08/12/rijecni-rak-astacus-astacus/
Thank you for entering the contest.
I was just looking through my photos from yesterday's walk and right after I see your article.
We were each in a different place, but we took the same photos :-)
My pleasure @bucipuci 🤗
Yes, it's true..... What an incredible coincidence...✨
and I also saw your post yesterday where you put a crayfish... I thought what a coincidence it was, and before that I don't know if I've even seen a crayfish on any post ....😊
:-)
Crayfish are rare and few will see them. That's why many of their photos are not here :-)
Excellent photo of a brave crayfish or "crawdad" as we call them! @bucipuci 🦀
I had to go to the stream to take a picture of him :-)
Amazing creatures these crayfish, or crawdads as we call them, are!
When I was young I used to enjoy searching for them in clear waters and then trying to catch them when they hid underneath rocks. Some of them are very brave and bold, rearing up with their pinchers to grab your fingers if you dare try to touch them! My brother and I sometimes used them for bait when fishing🎣
Yes, their claws grow back. What a true miracle.
Excellent post! @suzana72 🦀💦🦀
They really are amazing creatures...
You watched them as children, and I believe you know them better than I do.
And they succeeded, and catch them... I wouldn't dare to touch them 🤭
I have now seen them for the first time in my life, in our river... And I am fascinated...
Thank you very much @ninahaskin 🥰
2️⃣nd place in
the Amazing Nature Contest!
🦀🏆🦀 @suzana72
Thank you very much @ninahaskin 🌹
See you in the next round!📸You're welcome! @suzana72
🌹
See you in the next round @ninahaskin 🤗
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We appreciate your work and your post has been manually curated by zoology team (oscurity,nelinoeva) on behalf of Amazing Nature Community. Keep up the good work!
from the sea lobster it is presumed that insects evolved to acquire wings! What a nice post, thanks for posting the source of information!
wuooowww what a strange arthropod
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