Another DIY tank stand

No, I’m not adding any more tanks. However, the new stand I just built will only accommodate two 20g long tanks. I have three up and running. The just finished stand holds one tank (at the moment), and I have a store bought metal stand currently holding the other two.

The metal stand works great but it’s too low, specifically the shelf for the bottom tank, which is just inches off the ground. It’s impossible to gravity drain that tank. I do use a python hose, but not to regularly vacuum/drain my tanks. See this post on what I normally use to clean/drain my tanks. I don’t like wasting water, which is what the Python does when running the faucet to create suction. For tanks that are higher than my utility sink, I will sometimes use the Python just as a drain.  If you don’t have good water pressure, the Python doesn’t work as well as a substrate vacuum. It doesn’t work at all if you’re relying just on gravity, and the tank you’re draining is lower than the drain end of the Python hose.

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In situ substrate swap

30g rimless, square tank from Mr. Aqua. Photo courtesy of the author. 

As of yesterday, I had four tanks (75g, 2x 20g long, and a 30g square) that contained aragonite sand substrates. Suffice it to say that I’m not happy with any of them. I have two other tanks that contain pool (silica) sand (75g and 55g).

Over time, I have honestly felt like my fish are more active and look better in the pool sand tanks. The tanks with aragonite are relatively new (~8 months) and I have had more fish problems with them than with pool sand tanks. Maybe it’s a coincidence. Maybe it isn’t.

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A cichlid master or expert

Image from http://aviationsafetyinstitute.aero/.

Have you ever wondered what it takes to be labeled an expert at something? People with terminal academic degrees (e.g., PhD) are typically viewed as experts on their particular subject. On the other hand, people with little to no education who have years of experience working in or on something are also considered experts. What about cichlid keepers?

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Hey, who’s watching the kids, pt. 2

Juvenile Neolamprologus savoryi. Photo from http://aquarium-webzine.com/.

In 2017, I posted about alloparental care in cooperative breeding cichlids. In that post, I pointed to an article about such behavior in Perissodus microlepis, a small, rather non-descript cichlid species found in Lake Tanganyika. That particular study didn’t use a ‘direct observation’ method, but rather relied solely on a genetic parenting analysis. Studying cichlids in their natural habitat using observation, rather than observing them inside a controlled environment like an aquarium, allows researchers to partially eliminate effects of confinement on their observation results.

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When lunch is fatal

Just like many other fish, some cichlids are predators. In fact, many will happily dine on their own kind, even relatives. That is just part of nature. But sometimes lunch becomes fatal. Case in point, this juvenile Telmatochromis sp. “temporalis shell” attempted to eat a sibling. It didn’t go well.

Juvenile Telmatochromis sp. “shell dweller” with conspecific fry protruding from mouth. Photo by the author.

I have a breeding pair of “temporalis shell” in a 20g long, which have spawned two or three times. I leave all the fry and juveniles in the tank until they’re large enough to take to my LFS. So naturally, multiple broods coexisting in the same tank will occasionally lead to encounters like this one, especially with opportunistic omnivores like these Telmats.

The juvenile in the photo above is only about an inch long. I didn’t attempt to extract the fry, but you can tell it was significantly smaller….just not small enough.

Clean that glass

Dirty front glass of aquarium. Photo from http://smalltanks.co.uk/.

When you do routine maintenance on your show tanks, what components of the tank do you clean? Most cichlidophiles clean the substrate or at least vacuum the bottom if they have a bare bottom tank. Most also clean their filters regularly. How often do you clean the inside glass of your tank?

Regular glass cleaning is as important as maintenance on other components of your set up. Why? I’ll give you three reasons.

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