From the "Water Life" mod. Fish for the seas.

Types included:
Blue Marlin
Blue Tang - (warm water)
Bocaccio Rockfish
Clownfish
Clownfish, Yellowtail
Giant Guitarfish
Ocean Sunfish
Pacific Cod
Red Snapper
Red Snapper, Humpback
Remora
Striped Mullet - (warm water)
Tuna, Bluefin
Tuna, Skipjack
Tuna, Yellowfin
Wrasse, Humphead
Wrasse, Sheephead

From the "Water Life" mod. Models and and textures by Cait.

Textures will need fixing. If it's too low poly, the shell model can be replaced with the snail shells in data.

May need a slime ingredient?

From the "Water Life" mod.

Looks like it is drunk and stoned. Textures will need a lot of work.

From the "Water Life" and "Cait Farm: Ducks and Geese" mods. Models and textures by Cait. Some of the meshes can float on the water? (Might need a script)

The madarin ducks would be nice for PI.

No duck egg ingredient. Have to add one.

The readme is a spaghetti, but it seems this is free to use https://www.nexusmods.com/morrowind/mods/42417?tab=docs

Cait's models and textures from the "Where are all birds going" mod.

Accordng to the readme, these should be free for use/a modder's resource. https://www.nexusmods.com/morrowind/mods/43128?tab=docs