Assertion: angelfish's tank | /r/HasProperty | ideal
Facets:
Source sentences:
text: The tank should be fairly mature and having some algae and natural sponge growth on the rock is ideal.
text: Providing a very large tank of at least 180 gallons is needed for these angelfish to have room to swim and forage, but a tank of 250 - 300 gallons (950 - 1135 l) would be ideal.
text: A very large tank, over 100 gallons, with mature live rock and producing copious amounts of tunicates and sponges as well as multiple hiding places is ideal.