Aha! Another mystery solved. This is the little bugger that makes some of the holes in our seashells… a tiny little STIMPSON CHIMNEY CLAM. Remember the heart I found carved in this PONDEROUS ARK (from King Neptune)? Well, there must have been two STIMPSON CHIMNEY CLAMS drilling into this shell to make that design or there was one mighty CLAM on a mission from the heart.
Either way you “cut” it, this is one little destructive dude of a STIMPSON CHIMNEY CLAM (Rocellaria stimpsonii) …
I was absolutely thrilled to see both valves of this CLAM together (I know, go ahead and say it LooLoo… I’m a real shell geek LOL)…
So we can have a better understanding of why some shells look like this…
In my post What Makes The Different Holes In Seashells? , I wrote…
“ … these bigger holes most likely were drilled by a STIMPSON CHIMNEY CLAM. Oh, What? You’ve never heard of a STIMPSON CHIMNEY CLAM before? LOL Well, neither had I before I got so curious about what made that heart shape and found out that two separate drilled incidences by these clams are the most likely culprit. When I find a STIMPSON CHIMNEY CLAM, you will be the first one to know about it and I will post a photo. “
Well I didn’t find one but MurexKen did! He found this FLORIDA FIGHTING CONCH with both valves of the STIMPSON CHIMNEY CLAM still remaining in the crevice it carved out when it was still alive. This CLAM doesn’t bore into shells and coral to eat as a food source- it’s a Suspension Feeder so it captures food particles from the water somewhat like a filter feeder. It bores holes into shells and coral to use as a place to live… like a cozy little nest.
Great find MurexKen! Thanks so much for sharing this with me so we can all learn such cool stuff about the the mysteries of our oceans. Now that I know what this shell looks like, I can’t wait to find one of my own (along with the GOLD-BANDED CONE, of course). So catch ya later alligator, out to the beach for a CHIMNEY sweep!
i heart seashells. Shells have a way of talking to us, don’t they? They make us feel deeply connected to the vast sea and pull us towards it. This PONDEROUS ARK shell washed up at my feet with a heart carved in it. Awwwwe, so sweet! I love you too! But hmmmm… other than being an oh-so-sweet message from King Neptune, how did this happen?
We see natural holes drilled in all sorts of shells, so it’s time to find out how they are made. The hole in this SHARKS EYE tells me a little secret of what happened to its life. The clue? It has a perfect countersunk borehole with a beveled edge twice the diameter as the inner diameter. Because of the shape of that hole, you can bet that he was eaten by another SHARKS EYE! OMG They are cannibals!
We have to guess what happened to this next guy because it looks like a fellow predator SHARKS EYE started carving up his next meal but stopped before he tasted victory.
By looking at the hole in this DISK DOSINIA, I’m going to assume that a SHARKS EYE made a meal out of this guy too.
Geez, SHARKS EYES have a smorgasbord of choices for their buffet. Looks as though they like BUTTERCUP LUCINES too.
A straight hole with only a slight beveled edge like this LADY-IN-WAITING VENUS CLAM …
…was most likely drilled by some sort of MUREX… like GULF OYSTER DRILLS. Aha! That’s why they are called “DRILLS”!
The grooves in these CROSS BARRED VENUS CLAMS and TRANSVERSE ARK aren’t the handiwork of the SHARKS EYE or DRILLS. These grooves were most likely made by a BRISTLE WORM. It uses a rasping technique with its bristled body while secreting acid to etch a groove in the shell to make a nice cozy place to rest.
If you have never seen a BRISTLE WORM, click on the video to watch the first time Clark and I came across a BRISTLE WORM…. and then come back to see what cute tokens they make.
Last May, Lisa from Shellabaloo 2 was having a great time sifting through shells at Blind Pass Captiva and found a few messages on shells she shared…
After Shellabaloo, she sent me this sweet CROSS-BARRED VENUS shell with a smiley face on it (made by a BRISTLE WORM). I keep it by my desk!
She also found a “K” on a CROSS BARRED VENUS…
Lisa was so thoughtful, she gave it to another Shellabaloo-er… Kendra. K for Kendra!
So let’s get back to that heart I received from King Neptune … these bigger holes most likely were drilled by a STIMPSON CHIMNEY CLAM. Oh, What? You’ve never heard of a STIMPSON CHIMNEY CLAM before? LOL Well, neither had I before I got so curious about what made that heart shape and found out that two separate drilled incidences by these clams are the most likely culprit. When I find a STIMPSON CHIMNEY CLAM, you will be the first one to know about it and I will post a photo. I already have an appreciation for them since they are quite the artists!
I just assumed that a shell with lots of little holes in like this was just from regular wear and rear by the salt and wave action… like when you wash and wear your favorite shirt too many times. One day, you’ll start to see holes in it! But some times shells that look like this tend to be “holey” because BORING SPONGES have invaded it as a living space.
I’ve always been drawn to shells that have holes for stringing them for crafts….
For gift tags…
And I always love to see someone string them for jewelry…
I would have never known where to start finding information on these cool holes in shells if Lisa from Shellabaloo 5 (OMG I just realized… both Lisas from different Shellabaloos are fascinated with holes in shells too! Ha! They need to know each other, wouldn’t you say?) anyway… I wouldn’t have known there was such a term as “Shell Bioerosion” and such if she hadn’t shown me where it was in this book Living Beaches of Georgia and the Carolinas .
There’s all kinds of fun to be had in exploring the common shells if you just give them a chance. They may even tell you a secret!