Should I be worried?

[iperry023]

I have a new 12 galling all-in-one tank that had two corals (a Duncan and an acan), three hermit crabs, and three snails (one narccisus, two others) prior to today. Today I got a Randall Goby and a Randall pistol shrimp that paired up and began working away at their new home under one of my live rocks. You can see in the attached picture that my narcissus snail made a wrong move through a hole in a live rock and fell into their new lair. Next thing you know I heard a few snaps of the shrimp's claw (incredibly fascinating) and the narcissus lost his large feeler! I'm sure it will grow back and he will be fine, but I just wanted to make sure that that's true? I'm glad I was watching and saw it happen, so I didn't just come back and wonder what had happened... any input will be very much appreciated! My snail just slithered off and went under the sand in another corner. Should I be worried?

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[mcgyvr]

Time will tell...

 

[iperry023]

Any more input?


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[Rover88]

You are going to watch nature be nature. Can't really babysit it.

I hope you didn't name the nassarius.

 

[MondoBongo]

You are going to watch nature be nature. Can't really babysit it.

unfortunately i have to agree. right or wrong, i consider clean up crew basically expendable. they're on the menu for a variety of the normal residents of our tanks, and with things like pistols, if you cross them it could be bad.

if it makes you feel any better, those snails probably wouldn't have lasted as long in the wild as they do in captivity. pistol or no.

hope that the whelk learned a valuable lesson, and prepare to buy more snails.

 

[iperry023]

Okay, yeah. That makes me feel much better, guys. I guess I was just kind of afraid that it was my fault and I should've known better or prevented it somehow. Almost like I was neglectful. And while I do love the snail and how cool he is, I'll let nature take its course!

P.S. he hid under the sand all night, and when I fed the yesterday he came out and had a new, fairly mature sized antennae!! Woohoo!


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[Tastee]

My understanding is that snails are a low enough form of life that they can regrow pretty much any body part they need. Ironically it’s the higher forms of life (us especially) who have lost that ability. Life is a funny thing. Very low forms like Anemones live very long lives. Your snail has great recuperative capabilities but only lives a few years. We are in between - some recuperative abilities but not a patch on your snail, a much better lifespan, but not a patch on an Anemone.

Out great advantage is our intelligence, but that is again immensely debatable!

 

[iperry023]

My understanding is that snails are a low enough form of life that they can regrow pretty much any body part they need. Ironically it's the higher forms of life (us especially) who have lost that ability. Life is a funny thing. Very low forms like Anemones live very long lives. Your snail has great recuperative capabilities but only lives a few years. We are in between - some recuperative abilities but not a patch on your snail, a much better lifespan, but not a patch on an Anemone.

Out great advantage is our intelligence, but that is again immensely debatable!

Well he has grown his feeler back pretty remarkably, my fiancé thought he mustve just retracted it, but it's very noticeably shorter, about half its original length.

Isn't life fascinating? I was just chatting with a coworker about my pistol shrimp and goby having the instincts to pair up, and how the smarter we grow, the less instinct we seem to have, or listen to. And the longer we rely on our parents!


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[jlmawp]

and how the smarter we grow, the less instinct we seem to have, or listen to. And the longer we rely on our parents!

It's not about being smarter, really. It's a strategy that has worked very well for mammals. Low number of offspring, and higher committment/time/resources for those offspring result in better survival. It's what's allowed us to take over the world, and also grow smarter as we are now able to pass knowledge down from generation to generation BECAUSE we spend so much time learning from our parents.

So it's actually the reverse. We're getting smarter because we rely on our parents longer...not the other way around.

/bio rant

 

[sacremon]

Technically the 'feeler' is a siphon. It is how the snail 'smells' food. I've watched nassarius in my tank track down a piece of missed shrimp or other food item from several feet away.

 

[iperry023]

It's not about being smarter, really. It's a strategy that has worked very well for mammals. Low number of offspring, and higher committment/time/resources for those offspring result in better survival. It's what's allowed us to take over the world, and also grow smarter as we are now able to pass knowledge down from generation to generation BECAUSE we spend so much time learning from our parents.

So it's actually the reverse. We're getting smarter because we rely on our parents longer...not the other way around.

/bio rant

You're right, there is a correlation there. But there are many more reasons for our explosion in population, including, for example: the genetic mutation allowing lactose tolerance, which is believed to have allowed our great increase in population d/t renewable food sources with higher caloric contents. Keep in mind that the living organisms that have /truly/ "˜taken over the world' in terms of population are insects, and to go even further, other microorganisms. /My/ point was solely that the smarter we get, the less instinct we have, and the /longer/ we spend relying on our parents. Which I'd say could be attributed to cause and effect of societal values changing to lean towards education and child rights/health/QOL (I.e. let a child be a child), otherwise a 12 year old girl would be pregnant and traded for a dowry, and a 12 year old boy would be very likely to have to fend for himself or support a family.


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[iperry023]

Technically the 'feeler' is a siphon. It is how the snail 'smells' food. I've watched nassarius in my tank track down a piece of missed shrimp or other food item from several feet away.

I love his siphon, it's so fascinating! He runs across the whole tanks feeling side to side for food!


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