fipfepri lujvo

fi1 is a gill of fish fe2=fi1 of species x3=fi2.

See also fipybirka, fipyrebla for other fish-body related words.


In notes:

fipybirka
b1 is a fin of fish x2=f1 of species x3=f2.
jacyfepri
fi1 is a gill of animal fe2=fi1 of species x3=fi2