Marineland 28 gallon bowfront tank, Penguin Biowheel 150 filter, 100 watt Aquatic Garden heater, Whisper 40 air pump with a ten inch bubble bar.
Keep the water clean, change 20% weekly, don't overfeed.
Red Wag Swordtails, four Mickey Mouse Swordtails, two Calico Fantails, half a dozen Zebra Danios (including the biggest, fattest one you've ever seen!) and one medium Plecostomus.
Mixture of live and fake plants
I'm fairly new at this. I got a 10 gallon aquarium up and running for six months last year before moving up to this one after Christmas. The Calicos, Pleco, and some of the Danios are from the original batch, the Swords are new.
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If you are looking for a unique invertebrate to add to your saltwater tank, consider the sea urchin.
The wolf cichlid is a large, aggressive species but makes a perfect option for a show tank.