It is not possible to overfilter your tank but marine aquaria are frequently underfiltered.

The phantoms, for so they then seemed, were flitting on the other side of the deck, and, with a noiseless celerity, were casting loose the tackles and bands of the boat which swung there.

The Smokeys have a high density of bears, and the situation between bears and people there illustrates that it is possible to have a visible black bear population without the animals relying on handouts.

Here, under the marine layer, time and space are illusory, and definition is as hard to come by as an uncloudy day in June.