An ID on this would be much appreciated!

[IMegaSquirt]

I have a couple of these growing on my glass and I dont know what they are. They are very small and I'm actually surprised that my phone even focused on in. Thanks in advance for the id!

 

[Brad Waddell Wrath's Reef]

Hydroid

 

[VKP01]

Hydroid

^^

 

[IMegaSquirt]

Good or bad?

 

[cloak]

Neither IME. They tend to disappear just a fast as they show up. No worries.

 

[Crabs McJones]

Medusae hydroid, they die out on their own in most cases

 

[oceans garden aquaculture]

Good or bad?

Hydroid | Characteristics & Life Cycle

Hydroid, any member of the invertebrate class Hydrozoa (phylum Cnidaria). Most hydroids inhabit marine environments, but some hydroids have invaded freshwater habitats. Hydroids may be either solitary or colonial, and there are about 3,700 known species.

www.britannica.com

 

[Double monti 61]

Hi I have some living in my system. Have you ever seen them swimming I have mostly after feedings.

 

[IMegaSquirt]

Thanks guys. Much appreciated!