A novice hobbyist once asked me whether there’s a particular “rule of thumb” with respect to the size of fish that can be kept in the same tank with a predatory fish, such as a lionfish or grouper. He’d heard…
A novice hobbyist once asked me whether there’s a particular “rule of thumb” with respect to the size of fish that can be kept in the same tank with a predatory fish, such as a lionfish or grouper. He’d heard…