Need ID help.

[user12345]

Hi, I have seen this organism first on hair algae growing in my tank, then in my sponge filter. It swims like a octopus, blasting it self. My lfs tells me it could be a baby limpet. Could you guys confirm this? If not what could it be?

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[user12345]

Hi, I have seen this organism first on hair algae growing in my tank, then in my sponge filter. It swims like a octopus, blasting it self. My lfs tells me it could be a baby limpet. Could you guys confirm this? If not what could it be?

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Actually the person from my lfs isn't sure what it is either.

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[Smokey Stover]

Kinda looks like a Hydroid, Check out this link sometime,
https://www.lionfishlair.com/hitchhikers-guide/

 

[user12345]

Thanks! Does look like it.

Kinda looks like a Hydroid, Check out this link sometime,
https://www.lionfishlair.com/hitchhikers-guide/

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[mndfreeze]

Hydroids - Medusae

They commonly come in with live brine shrimp. Apparently its fairly common for them to get mixed into brine shrimp hatchery/egg setups and therefore end up in live brine shrimp food sources. I have them in my tank too and they mostly bloom and die out in a few weeks. I wouldn't worry about it unless you see them MASSIIVVEELLYY breeding for more then a few weeks without new additions of live food sources.

 

[user12345]

Hydroids - Medusae

They commonly come in with live brine shrimp. Apparently its fairly common for them to get mixed into brine shrimp hatchery/egg setups and therefore end up in live brine shrimp food sources. I have them in my tank too and they mostly bloom and die out in a few weeks. I wouldn't worry about it unless you see them MASSIIVVEELLYY breeding for more then a few weeks without new additions of live food sources.

Thanks. But what should I do if I see them breeding massively?

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[mndfreeze]

Stop over feeding. There isn't much you need to do other then control their food source. Like a lot of micro critters that appear in tanks, especially new tanks, they are limited by the food supply. Most also don't have ideal conditions in home aquariums so they die out as their life cycle runs into issues, etc.

IMO I wouldn't worry about it, just make sure you are not over feeding your tank. That's usually the root of most peoples problems with stuff like this.

Even in the extreme and rare case they do breed like crazy, I've never seen them actually harm anything. If anything they might end up being more planktonic food for your corals and stuff.

 

[user12345]

Stop over feeding. There isn't much you need to do other then control their food source. Like a lot of micro critters that appear in tanks, especially new tanks, they are limited by the food supply. Most also don't have ideal conditions in home aquariums so they die out as their life cycle runs into issues, etc.

IMO I wouldn't worry about it, just make sure you are not over feeding your tank. That's usually the root of most peoples problems with stuff like this.

Even in the extreme and rare case they do breed like crazy, I've never seen them actually harm anything. If anything they might end up being more planktonic food for your corals and stuff.

Thanks a bunch!

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