Friday, January 24, 2014

Lessons From a Carnivorous Snail


A couple of days ago I was wandering through my yard and wishing for spring. As I did, I saw a small snail of a type I had only seen once before.

Euglandina-rosea

He looks kind of cute, doesn’t he? (I’m using the universal “he” here in an anthropomorphic sense, obviously, since snails are hermaphroditic.)

About an inch long, pretty shell, kind of friendly looking.

At first glance, I got “the fear,” though.

Why?

Because I was afraid I may have stumbled across a juvenile version of this monster:


Those are giant African land snails.

If you click the image, you can read a nice, creepy article from National Geographic on how they’ve invaded Dade County, Florida… and how they like to eat the stucco off of houses, not to mention devour almost every plant species of agricultural significance.

Fortunately, after a little research, I nailed down my snail as being a native type – the “Rosy wolfsnail.”

Not only that, according to UF, it’s a predatory snail that will feed on giant African snails, among other types:

Distribution: In the United States: Alabama, Florida, Georgia, Hawaii, Louisiana, Mississippi, South Carolina and southeastern Texas. It is widespread in Florida, including the Keys. It is widespread, but usually found singly in hardwood forests, roadsides and urban gardens (Hubricht 1985).

Comments: This snail was chosen as a possible biological control agent of the giant African snail. Live specimens were sent to Hawaii in 1955 (Mead 1961). Although feeding in Achatina was observed, as well as on the Asian tramp snail, Bradybaena similaris (Férussac, 1821) and native tree snails (Hart 1978), no real control was achieved. The snail reproduced rapidly in Hawaii and, by 1958, 12,000 snails were harvested for release in other Hawaiian Islands, New Guinea, Okinawa, Palau Islands, Philippines and the Bonin Islands. Chiu and Chou (1962) gave details of the biology of Euglandina in Taiwan. Individuals live up to 24 months and adults lay 25 to 35 eggs in a shallow pocket in the soil. These hatch after 30 to 40 days. In Taiwan, Euglandina consumed as many as 350 Achatina during its lifetime. Euglandina rosea is now considered invasive in Hawaii as it has caused the extinction of eight native snail species.”

Nice. It’s so bad to the bone that it makes other snails GO EXTINCT!

And it gets better...

(Click here to read the rest over at The Prepper Project because you totally have to see the weird videos I posted there!)

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5 Comments:

At January 26, 2014 at 9:15 PM , Anonymous Landall Hathorn said...

We have some of those in Jackson, Mississippi. The ones in my yard are the same size as the one in your picture.

 
At January 26, 2014 at 9:28 PM , Blogger David The Good said...

Very cool. I'm always amazed how some species can range across a swath of states... while others are only tucked into tiny geographical regions.

 
At January 28, 2021 at 12:31 PM , Blogger Chevy Blue said...

I found a rosy wolf snail stuck to my water heater yesterday morning! Took me awhile to research what it is...(which is why I'm here). I gave it to my grandson as a pet. After I read about the rat lungworm, I'm wondering if that was a mistake. Is this snail safe for my grandson to handle? What do I feed it. What do I need to make it a home? Any information will be appreciated.

 
At January 28, 2021 at 12:33 PM , Blogger Chevy Blue said...

I live in Georgia

 
At January 28, 2021 at 12:33 PM , Blogger Chevy Blue said...

I found a rosy wolf snail stuck to my water heater yesterday morning! Took me awhile to research what it is...(which is why I'm here). I gave it to my grandson as a pet. After I read about the rat lungworm, I'm wondering if that was a mistake. Is this snail safe for my grandson to handle? What do I feed it. What do I need to make it a home? Any information will be appreciated.

 

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