Crinum thaianumVery large and distinctive solitary plant. Most suited for big aquariums. Is normally not eaten by herbivorous fish. Crinum thaianum from Thailand is a distinctive bulbous plant belonging to the lily family having 60 200 cm long leaves. It is undemanding apart from the fact that it needs plenty of space. Plant so the top 2 3 of the bulb is visible, because otherwise the bulb tends to rot. When the plant grows older it sometimes sends a flower stem up