Are batfish compatible with invertebrates?
Only when small (up to 2in). As they grow, the urge to nibble at invertebrates becomes stronger and eventually they can be extremely destructive.

Are batfish easy to keep?
The Common Batfish (P. orbicularis) is quite easy and suitable for a beginner. The Red-Faced Batfish (P. pinnatus) is difficult and best left to experienced fishkeepers. The two remaining rarer species fall somewhere between the first two in terms of difficulty.
Are batfish compatible with their own kind, and other fish?
Although they may be seen in large shoals in the wild, only single specimens may be kept in an aquarium if aggression is to be avoided. Batfish are peaceful with other species but avoid housing them with boisterous fish or those likely to nip fins.
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