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Name: Frabush (Cochlearubus kornus)
Ancestor: Marine Fraboo
Creator: HethrJarrod
Habitat: Badger Subpolar Coast, Morokor Subpolar Coast, Raq Subpolar Coast, Blocks Subpolar Mangal, Vivus Subpolar Mangal, Wind Polar Coast, Colddigger Polar Coast, Xeno Subpolar Coast, Martyk Temperate Sea, Iituem Temperate Bay, Elerd Temperate Coast, Bone Subpolar Mangal, Martyk Temperate Mangal, Elerd Temperate Mangal
Diet: Filter Feeder, Planktivore, Detritivore,
Size: 50 cm long
Respiration: Active (Gills)
Support: unknown
Thermoregulation: unknown
Reproduction: Sexual, Metamorphosis (Egg, Larva, Pupa, Adult)

The frabush split from its ancestor, the marine fraboo. Like the marine fraboo, the frabush doesn’t lose the gills that it has in its larval stage, allowing it to live underwater. The frabush has an advanced life cycle which goes through egg, larva, pupa, and adult. The adults produce hundreds of eggs in nutrient sacks into the water. These eggs hatch into larva which filter-feed and consume detritus on the seafloor. The larva will bury itself in the sand and turn into an immobile pupa stage. It is at this point things diverged from their ancestors. Unlike the marine fraboo, the adult frabush never fully develops legs. They instead anchor the shell into the sand, almost like roots.

Instead, the adult frabush is a sessile filter-feeder. It will poke its branched head out of the sane, and just sway there in the current, feeding on anything it catches. If it feels threatened, it can quickly retreat its head back into its shell under the sand. If the predator is too quick, and is able to take a bite of the frabush, it is able to regenerate as long as the shell underneath the sand is not damaged.

This post has been edited by HethrJarrod: May 3 2023, 02:26 PM

How does it breathe with the gills under the sand?

That top gill is probably all they really need given they're not very smart and sessile.

With that you could give it a little something to kick sand away from their gill if needed, though it's probably not all that needed.

The lower gills are pretty deep if there isn't a loosened burrow hole to allow water easier flow downward.

Moved the gills up higher.