March 13, 2025

A Complete Guide to Freshwater Fish Tanks: Selection, Setup, and Maintenance

How to Maintain a Freshwater Aquarium

The females are a light tan color with a dark stripe running down their sides. It is the unique coloring of the male species that gives this fish its name. These have a red color that becomes deep cherry red when they are spawning. These cheap fish pets grow to around 1.3” (3.5 cm) from head to tail. This bottom-dwelling fish likes to spend time by its burrow, and feeds on food that sinks to the bottom of the tank.

Rookie Mistakes to Avoid When Starting an Aquarium

Though they’re generally peaceful, it is best to avoid keeping two males in the same aquarium, as they can be territorial. Another key feature of beginner-friendly fish is a peaceful temperament. Beginners gravitate towards community tanks as they provide greater variety and interest, which is why they need to select fish that can get along with their tankmates. Replicating natural water conditions can be challenging for even seasoned fishkeepers, and beginners are likely to find this extra-challenging. Thus, it is important to pick species that can tolerate a wider range of water conditions, and adapt to different environments.

Purification Techniques: Explore methods to purify water if needed, like filters or boiling

  • The only time they become aggressive is if there is more than one male swordfish in the tank.
  • The aquarium filter helps remove decaying matter, excess food, fish waste, suspended particles, etc. preventing cloudiness and the accumulation of toxins in the tank.
  • To prevent diseases, keep the tank clean and manage stress factors like overcrowding.
  • The Java Fern and the Java Moss need nothing more than basic care and can be used to create dense aquatic vegetation in a fish tank.

Be prepared to take at least a few weeks to ensure your tank is fully cycled before bringing your fish home. If you don’t have the time to skim through that article, my quick recommendation would always be to use Tetra SafeStart Plus. This brand contains the actual species of ammonia-consuming bacteria that thrive in water, unlike some other brands that use a less-efficient terrestrial strain.

You can even mix and match some of the fish to create healthy, happy community tanks. Just ensure you do all your research on the needs and care of any fish before you bring it home. Another type of livebearer, Mollies are larger and more full-bodied than the more streamlined Guppy.

They all have long, flowing fins and bodies that are taller than they are wide. These fish are peaceful and require shoals but have been known to shoal with other varieties of Tetras. I hope this has helped you figure out the characteristics of the fish that require low maintenance. To check some more fish that remain small in size even in their adult stage of life you can click here. Keeping a fish in a bowl is the only viable option at times, but not every fish is suited to live in such a confined space.

Northern Map Turtle (Graptemys geographica)

Additionally, they have a high tolerance for varying water conditions, but maintaining a consistent environment will ensure their best health and coloration. Providing a diet rich in flake foods and occasional live or frozen treats will keep them healthy and vibrant. Beginners will appreciate their active nature and the splash of color they bring to the tank. Their harmonious social behavior and small size make them ideal for community tanks, where they can coexist with other peaceful species. Despite their delicate appearance, Neon Tetras are quite hardy, provided they have a stable environment with consistent water parameters.

Welcome to Natalie’s Nook! I’m Sam Bramston, the heart and soul behind this blog where every word weaves a new part of our shared journey. With a rich background in professional blogging, I've transformed my passion for storytelling into a vibrant tapestry of articles that explore everything from quiet musings to grand adventures. Raised in the lush countryside, I developed a deep appreciation for nature’s whispers and echoes, which later inspired my themes of reflection and discovery. When I'm not crafting new content or buried in a good book, you can find me hiking local trails or experimenting with landscape photography, always with a camera in hand and a story in mind. Join me at Natalie’s Nook, where our stories intertwine and every shared moment becomes a cherished memory.