Another ID Request

[DocRose]

Some sort of brown macro algae?


And some sort of green macro algae?

 

[Rtaylor]

First pic, maybe a type of sargassum? 2nd pic maybe halimeda or codium? This site can be a good reference for Florida macros:

live-plants.com

Gulf Coast Ecosystems (GCE), founded in 2003, is a trusted source for live marine macroalgae, gorgonians, sponges and invertebrates. From our Florida Keys and Tampa Bay stations, we hand-collect and culture high-quality specimens for hobbyists, reef tanks, public aquariums, universities, and...

www.live-plants.com

 

[WheatToast]

1. Dictyota, an invasive brown macroalgae; larger bladed species do not usually grow out of control.
https://www.marineplantbook.com/marinebookdictoya.htm
https://www.reefcleaners.org/nuisance-algae-id-guide

2. Halimeda, a decorative, calcified green macroalgae.
https://www.marineplantbook.com/marinebookdiscoidea.htm