LA
That's not a snorkel breathing tube like you see on mysteries, apples, and
the Cousteau crew.
LA
Prologue.
I found out about these little guys late last year -- maybe
November. I saw their name on a wholesale list and couldn't resist.
I always order a half-dozen of any moderately priced critters I've never
seen. I have very little trouble resisting fifty buck plecos.
But these little assassin snails don't cost much -- unless you buy them by
the pound.
LA
My first batch of assassin snails -- one DOA, five alive.
Size. Assassin
snails come in at about half an inch. They reputedly grow to almost an
inch, but I haven't had mine that long. They've grown a bit, but at a
snail's pace -- as might be expected. Part of the problem -- I wasn't
sure what they ate. So I fed them sinking fish food like all sensible
snails eat.
LA
Interesting shell.
Not Unattractive.
Definitely on the small side, assassin snails can be difficult
to find. They're not common and sometimes they disappear into the
gravel. In a planted aquarium, you'll likely miss them altogether.
However, they look good once you find them.
LA
Sinking cichlid pellets were ignored.
LA
Much harder to tell if flakes were nibbled on.
Foods? I'd
heard of saltwater assassin snails but not in freshwater. So the foods
I tried were on the experimental side. They got sinking cichlid
pellets first. Easy to keep track of. Five assassin snails got
five pellets. Next day five pellets were growing filaments of
saprolegnia. Total water change, new aged water from a fish tank, and
sinking fish food (Tetra Crisps poked so they'd sink). Much harder to
keep track of but they seemed to decrease in size over time and didn't mold
out. Couple days later they got a total cleaning and regular Aqualand
flake food. They seemed to do fine. So I tried to order more.
No such luck. Looked like they weren't going to be a retail snail if I
couldn't get more. After a month or so, some more finally came on the
market and I doubled my herd.
LA
Lunch on the left -- a ramshorn snail.
Preferred Foods.
When I first got the assassin snails I couldn't find diddly
about them on the net. Still, I tried again later and found out some
info. They're supposed to prefer pond snails for lunch, then
ramshorns, then Malaysian trumpet snails, in that order. Not much will
eat a trumpet snail, however I didn't want to mix them because of their
similar physiognomies -- in this instance, their shells not their
faces. I gave them some pond snails and some ramshorns. I did
not see the mass destruction as I was promised on the web, so three days
later I added some flake food for the added snails. After a week or
so, I saw some empty snail shells.
LA
Assassin
snail in between two empty harvested snail shells.
Not Cannibals? Reputedly
assassin snails do not dine on other assassin snails. Frankly, I would
not trust them if they ever run short on their regular rations. As far
as I'm concerned, that particular jury is still sequestered. Assassin
snails apparently do not eat algae or other plants. They will
grudgingly eat dead fish.
Odd Snail Behavior.
Assassin snails truck right along -- not at the traditional
snail's pace. The other snails evinced equally eerie behaviors, i.e.,
many of the potential food snails slid up out of the water -- above the
water level almost the moment I dropped them into the water. The
assassin snails seemed to prefer the smaller snails -- maybe they're weaker
and easier to overpower? So rather than a pond, ramshorn, Malaysian
preference, they prefer small, then medium, then large.
LA
Lots of room in a small plastic bare container.
LA
Assassin snails like to burrow into the sand (or at least try to burrow).
Not much sand here.
LA
Easy to tell where they've been.
LA
He's about three inches above the water line. They will climb out and
about.
LA
Pink paddletail eel in back.
Housing. Initially,
I put them in the smallest bare Critter Carrier with about a quart of water.
They did fine for a couple weeks. After learning that they like to
burrow in the sand, I added a one-third-inch of sand. Everything
proceeded apace except now I could see their trails in the sand. The
sand just made it a little more difficult to change their water. If I
had added lots of sand, it would have made them more difficult to keep an
eye on. Eventually I moved them to a massive 3.5 gallon tank with
several food snails and a pink paddletail eel. He was eating live
California blackworms and the assassin snails should make a good clean up
crew.
LA
Assassin snails can cruise across the water's surface.
Room at the Top.
Many snails learn to skim the surface to eat floating flake foods.
I've never seen assassin snails eat food from the surface, but they do the same
"skimming." Evidently, capillarity enables them to adhere to the
surface tension.
LA
Crowded tank with too much food -- like any other snail behaves. Time
for a water change.
LA
Interesting looking critters.
LA
LA
Last Word.
Now that we know a bit more about them, we feel confident enough to order
another couple dozen. As mentioned earlier, they're reasonably priced.
And they do eat snails, even without the garlic butter sauce.
LA
© 2010,
© 2011
LA Productions
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