QuietJourney Forums - What in the world is this?

Sep 22^nd, 2026 at 8:06pm (UTC)

QuietJourney Forums › Boundary Waters / Quetico Discussion Forums › General Boundary Waters / Quetico Discussion › What in the world is this?

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What in the world is this? (Read 4875 times)

Puckster Inukshuk Offline Posts: 1208 Location: St. Paul, Minnesota Joined: Feb 10^th, 2009	What in the world is this? Sep 15^th, 2012 at 10:15pm	Quote Print Post
	I was fishing a small bay on the southwestern side of Lac La Croix this past week. I saw hundreds of these little "jellyfish" looking things floating in the water! They were about the size of a nickle, swam like jellyfish, and the little white bodies in the thing circular membrane continually moved. DOES ANYONE KNOW WHAT THIS IS? prouboy


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PhantomJug Voyageur Inukshuk Offline Posts: 2861 Location: 1/2 way there Joined: Feb 12^th, 2003	Re: What in the world is this? Reply #1 - Sep 16^th, 2012 at 1:08am	Quote Print Post
	I'm going to guess (You need to *Login* or *Register* to view media files and links).


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intrepid_camper Inukshuk Offline Posts: 1348 Location: Northern Minnesota Joined: Jul 12^th, 2004	Re: What in the world is this? Reply #2 - Sep 16^th, 2012 at 1:16am	Quote Print Post
	About 15 years ago my son's high school science teacher told him about these...we hardly believed it because in 45 years of living on our lake we had never noticed them. So this time of year we went out to a quiet bay and sure enough, there they were...freshwater jellyfish! Here is another perplexer: What is this? Found it in quiet shallow water in late July on Namakan lake.


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db Web-lackey Inukshuk Voyageur Offline Posts: 5465 Location: Just off the beaten path. Joined: Sep 14^th, 2002	Re: What in the world is this? Reply #3 - Sep 16^th, 2012 at 5:31am	Quote Print Post
	I've never seen either. I do love learning stuff though so THANKS!


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ripple Inukshuk Offline Posts: 52 Location: marengo, iowa Joined: Jun 3^rd, 2009	Re: What in the world is this? Reply #4 - Sep 18^th, 2012 at 11:21pm	Quote Print Post
	Way cool photo, Prouboy! I agree: freshwater jellyfish; I've heard of them, but never seen 'em. They sometimes show goodly numbers in late summer and fall, and they are catching zooplankton. Same food for Intrepid Camper's critters which are colonial bryozoans (another tiny invertebrate, but this one forms large gelatinous masses (see (You need to *Login* or *Register* to view media files and links) ). The lime green forms below that, in Camper's pic, may be freshwater sponges, yet a third phylum of invertebrates!
	« Last Edit: Sep 19^th, 2012 at 4:15am by db »

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PhantomJug Voyageur Inukshuk Offline Posts: 2861 Location: 1/2 way there Joined: Feb 12^th, 2003	Re: What in the world is this? Reply #5 - Sep 19^th, 2012 at 12:37am	Quote Print Post
	ripple wrote on Sep 18^th, 2012 at 11:21pm: Intrepid Camper's critters which are colonial bryozoans (another tiny invertebrate, but this one forms large gelatinous masses (see (You need to *Login* or *Register* to view media files and links) Whew!! For a minute I thought I_C's pic was my liver after a weeks worth of Yukon Jack.


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intrepid_camper Inukshuk Offline Posts: 1348 Location: Northern Minnesota Joined: Jul 12^th, 2004	Re: What in the world is this? Reply #6 - Sep 2^nd, 2017 at 4:25pm	Quote Print Post
	Just ran across this news flash... (You need to *Login* or *Register* to view media files and links); Ripple was correct on its ID.


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MossBack Inukshuk Offline Posts: 505 Location: Indiana Joined: Feb 23^rd, 2010	Re: What in the world is this? Reply #7 - Sep 2^nd, 2017 at 10:38pm	Quote Print Post
	South Central Indiana is potholed with mined out coal "strip pits" that are nearly always donated by the coal companies to the State Department of Natural Resources. The Greene-Sullivan State Forest is the nearest example. They are all alive with these same freshwater jellyfish. I have seen clouds of them the size of cars , all moving in unison. If you pick one up, they look much like a wet limp eye contact. The strip pits are all nearly as clear as the lakes in the Quetico. A favorite haunt for local scuba divers. MossBack


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