labyrinthine - n.
1 a complicated irregular network of passages or paths etc.; a maze.
2 an intricate or tangled arrangement.
3 Anat. the complex arrangement of bony and membranous canals and chambers of the inner ear which constitute the organs of hearing and balance.

labyrinth fish = GOURAMI.

labyrinthian adj. labyrinthine adj. [F labyrinthe or L labyrinthus f. Gk laburinthos]