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Determining minimum tank size.

I see a lot of people suggest tank sizes for fish on here that are just too small. So I thought, rather than trying to correct people every time I see a minimum tank size I feel is undersized, that I might explain why exactly those sizes are too small.

When I determine tank size, I calculate a tank footprint based on the length of the fish. As a bare minimum, I would personally try to give a fish a tank that is at least 5 x their length by 2 x their length. (There are exceptions to this rule - usually cases where fish have reasons to need more space.)

Less conservative measures might do 3 x their length by 2 x their length.

So lets think about this in terms of more familiar animals.

Say you’re going to keep a cat in a cage all of its life (gross). Now take your cat and measure them from their head to the base of their tail. My cat really didn’t like being measured, but she was about 16.5″. So lets do some math.

By my preferred calculations, my cat would have an almost 3ft by almost 7ft space to live in. Nothing compared to what she could live in, but she has room to turn around and move a little. (Almost 300g when I add a fairly standard 2ft height.)

By the less conservative measure, she would have about 3ft x 4ft. (About 170g.) Doesn’t sound completely terrible, right? Thinking in abstract mental numbers, those measurements almost sound reasonably roomy. But lets picture that.

Here is my cat is the amount of space we have allotted for her to spend her entire life in. This is the only space she can eat, sleep, and defecate in. Pretty disgusting, right?

A lot of the tank size recommendations I see don’t even meet that less conservative measure. So proportionately, she would have even less space by their measurements.

This isn’t even taking into account the activity level or amount of waste production of the fish, which would add to the length and volume requirements respectively.

So please, when you are recommending tank sizes or thinking about what fish to put in your own tanks, try to consider this too. Imagine a proportionately sized space for animals we’re more familiar with and think about how they would feel in that space. You might reconsider your recommendations.

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How it Probably Happened

Bob the animator: “Ok, so, there’s gonna be a broken piece of a sign that says ‘KL’ on it. Can you draw that?”

Frank the animator: “Yeah, sure, how’s this look?”

Bob the animator: “Well, if it was ACTUALLY a broken piece of a sign that says ‘Klondike,’ it wouldn’t have a big gap after the letters, but whatever. We can fix it in the closeup.”

Frank the animator: “Uh… ok. Shouldn’t I change it in the first shot?”

Bob the animator: “Nah, leave it, but give the new one some wood texture, and make it smaller… oh, and change the lengths of the spikes. The kids won’t notice.”

Frank the animator: “More like this?”

Bob the animator: “Yeah, yeah! And for the final scene, make it REALLY big, and remove the texture, and… heck, make it two spikes instead of three. Two is better.”

Frank the animator: “Alright, it’s done. Are you sure no one will ever notice all these haphazard, illogical changes?”

Bob the animator: “Yeah! I mean, what, do you think someone’s gonna take photos and put them on a blog with 3,500 followers some day? That would be ridiculous.”

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I wrote this song to cope.

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this is my favorite one so far

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Just Pet Store Things #33

Attempting to explain that “those little goldfish” DON’T stay little.

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I can honestly say i’ve never seen a more entertaining ladle.

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me [x]

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remember when lol meant “laughing out loud” instead of “this is to indicate that this brief text isn’t hostile”

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this was done well

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totally mastered the last pose

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my hair after using too much dry shampoo

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What's your makeup routine? (If you have one)

Simple.

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IT Workers Share the Most Idiotic Things Non-Techies Have Told Them

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