Help What are these Spikes On My Acan Messa

[1stPhantom]

 

[1stPhantom]

There hard green spikes it’s been there since I had gotten I believe the spikes got bigger as the acan started to grow small extra heads

 

[Dburr1014]

Algae

 

[1stPhantom]

Algae

what’s type of algae I’ve never seen or heard of algae that’s stiff has spikes

 

[1stPhantom]

Algae

Also if it hasn’t spread no where else and I’ve had this scan for over 4 months now as well

 

[Dburr1014]

Prickly Seaweed (Acanthophora spicifera)

Identifying Features Spine-like brittle branches Red, brown to yellow in bright sunlight Brackish ponds, tide pools, intertidal, shallow reef flats Attaches to rocks & coral rubble Easily frag…

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