Ponies with a semitransparent glass-like body and visible liquids inside
them.

Warning - Any claim that aquines are a “closed” or “semi open”
species and that you need to purchase rights to make them is falsehood;
a scam to take your money. The aquine website “aquineponies” and their
DA group “Aquines Galore” being prime examples, their “lore” is
nothing more than their own headcanon and a pretentious lie to make it
look like they own the species, They do not and there are NO legal
restrictions.

Create Aquines to your hearts content.