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Name: Blossoming Branschev (Goliathpartiens incolahydros)
Creator: OviraptorFan
Ancestor: Branched Shev (Goliathpartiens ramosa)
Habitat: North Vailnoff Subtropical Ocean (around Hydro and Krakow), Hydro-Krakow Tropical Coast, Hydro-Flisch Reef, West Hydro Subtropical Undersea Forest, East Hydro Subtropical Undersea Meadow, West Hydro Subtropical Coast
Size: 75 cm wide Colony, 2.5 mm wide individual
Support: ?
Diet: Filter-Feeder (<2 mm)
Respiration: ?
Thermoregulation: ?
Reproduction: sexual budding, cysts, occasional asexual budding

The Blossoming Branschev is a split from their ancestors, living in the coastal waters around Hydro and Krakow. In many ways the Blossoming Branschev closely resembles their ancestor, as their ancestral adaptations suited them well for their environment. For instance, the many branches still help increase the overall surface area of the colony which improves their feeding success. This has been taken a step further, however, with the cells at the tips of these branches being specialized for feeding. While all members of the colony do still use their pseudopods to capture particles, those at the tips of branches always have them out. These pseudopods on these cells are also enormous, sometimes even reaching an impressive length of 1.25 centimeters long, over 5 times the size of the cell they are part of. The huge size of these pseudopods makes them far more effective at capturing particles in the water column to then be consumed, but it also makes them too big to be retracted into the cell which is why they are always hanging out.

The foot pseudopods still produce aragonite in layers below each shev, which will build up the colony over long periods of time. As the branches grow, the cells on the tips eventually get pushed to the side by new cells growing in. When this happens, the cells once specalized for feeding partially cannibalize their psuedopods, causing the psuedopods to shrink down to a normal size. All the energy obtained from this will be then given to the cells right next to them that are now growing on the tips, which in turn helps those cells grow the enormous feeding pseudopods. It can take a Blossoming Branschev over 30 years to full size, though they are often always still growing somewhere since branches can sometimes get broken off by strong currents of other organisms bumping into them with enough force. Branches that get broken off will become whole new colonies of Blossoming Branschevs. Even then, however, Blossoming Branschevs still primarily rely upon sexual budding and cysts for general reproduction.

Like their ancestors, newly forming colonies of Blossoming Branschevs can develop a ribbon-like motile form in periods of overcrowding, low minerals, or food scarcity. Although they primarily rely on the currents to be carried around for any significant distance, these motiles can wiggle about slightly, usually to change their position in the water column. Once they find an ideal spot, they will wiggle as much as they can to swim towards the sea bed and settle down, returning to a typical sessile form. As these grand journeys expend large quantities of energy, the motile colonies often shrink significantly in size, as cells will get cannibalized to sustain the colony as a whole.

Alright! Here is my end of a swap with @MNIDJM! Hope this looks good dude!
As usual, comments and feedback are always highly appreciated!!

"psuedopods," is a typo.Pseudopods" is meant.
For thermoregulation, it can be assumed an ectotherm by default. For respiration, passive respiration (oxygen) seems likely. For “support”, “Tests”, or whatever name has become common for colonial shevs, should be sufficient.
The brick-scale texturing is pleasant to look at, although the background of water doesn’t have the same depth, making it look flat. The gradient used is also a lighting scheme that seems it would be difficult to accomplish in natural conditions, since the beams strike diagonally at multiple ranges. It looks less like like dappled sunlight at the bottom of a pool and more like beams of light from a superhero using a light attack from a big ball of light to the right of the picture.
This will likely enrich its habitats with topographical complexity.