Small:
* Nano tanks: Typically 5 to 10 gallons, great for small fish, invertebrates, and shrimp.
* Desktop tanks: Usually 10 to 20 gallons, suitable for small schools of fish and some invertebrates.
* Small tanks: 20 to 30 gallons, offer more space for larger fish or more diverse communities.
Medium:
* Medium tanks: 30 to 55 gallons, provide enough space for a variety of fish, including some larger species.
* Bowfront tanks: Offer a wider viewing area, often ranging from 30 to 75 gallons.
Large:
* Large tanks: 75 to 125 gallons, suitable for larger fish species and more complex ecosystems.
* Extra-large tanks: 125 to 200 gallons, ideal for dedicated hobbyists with space and budget.
* Giant tanks: 200+ gallons, often found in public aquariums and showcase elaborate displays.
Beyond size, aquarium shape also varies:
* Rectangular: The most common shape.
* Bowfront: Curved front for a wider view.
* Hexagonal: Unique shape for a different aesthetic.
* Cylinder: Round tanks offer a 360-degree view.
When choosing an aquarium size, consider:
* Fish species: Research the size, space requirements, and social needs of the fish you plan to keep.
* Budget: Larger tanks often require more equipment, maintenance, and water changes, impacting costs.
* Space: Ensure you have sufficient room for the aquarium and its equipment.
* Experience: Beginners may want to start with a smaller tank, while experienced hobbyists can handle larger setups.