Pearl gourami pair of pearl gouramis, although anything above that volume is greatly recommended, since these fish show signs of stress, abnormal aggression, and illness when feeling confined. Preferred tank temperatures are 22–28°C (72–82F). Tanks with surfaces exposed to fresh air are recommended so that the pearl gourami's labyrinth organ can function correctly. As with any tropical aquarium, adequate filtration, lighting, substrate and decorations, plants, and proper care are required. The pearl gourami is a territorial fish and should only be suited in a community tank with fish of similar size to it. However, this fish may be somewhat timid or shy,
Creature type (Dungeons & Dragons) skill points. Certain magic items and special abilities, such as the ranger's favored enemy ability (prior to 4th edition) and bane weapons (in 3rd and 3.5 editions) interact with creature type. An aberration can have a bizarre anatomy, strange abilities, alien mindset, or any combination thereof. Examples include the beholder, illithid (mind flayer) and rust monster. The rules state that all aberrations have darkvision out to 60 feet. As a group, they have no other special abilities or immunities. The game classifies "Animals" as living, nonhuman vertebrate creatures, with no innate magical abilities or capacity for language or culture. Virtually