It is toxic for axolotls. If you have a filter, you’ll want to change about 20 percent of the water weekly and be sure to remove any waste from the bottom of the tank. If you don’t have a filter, ...

If you’re in the market for a new car, it’s important to understand what engine size means and how it affects a car’s performance and economy. Engine size, also referred to as ‘engine ...

“At this time, axolotls seemed to be sufficiently numerous to support a fishery for local consumption. However, the rate of deterioration increased precipitously as Mexico City more than tripled in ...

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It’s a fish that’s easy to care for even though reproduction in captivity may be challenging. Best of all, it can get along with mostly peaceable tank mates that are about the same size, which is ...

Then they move up to “big kid” sizes (sometimes referred to as just “kids” or “youth” sizes), which start over again with size 1 and can run as high as size 7. (The next consecutive ...

At least one creature may do just that. Axolotls seem to halt one of the hallmarks of the process part way through their lives, a finding that could shed new light on ageing and regeneration.

We may earn commission on some of the items you choose to buy. The fashion industry has notoriously alienated plus-size consumers. For years, fast fashion retailers were some of the only places to ...

Males’ sizes start at 2.5 inches and go up to four inches, while women’s sizes start at two inches. Their huge size, large hands, and large toe pads all help them in their tree-dwelling lifestyle. One ...

While axolotls aren’t especially jumpy, they won’t last long out of the water if they do somehow manage to escape. The lid needn’t be anything fancy: a piece of plate glass cut to size and with the ...

Here’s what you need to know about fish (not) growing to the size of their tank. Key points about fish that grow too large for their tanks (for people who don’t want to read the whole thing). They ...