Portland Aquarium

Starter guide

Freshwater Species


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Best battery-powered aquarium air pumps for power shortages


As a dedicated aquarist, you have to consider a lot of factors to maintain the health of your fish and plants. One of these factors is a continuous air supply, which requires the market’s best […]

Best multi-outlet air pumps for multi aquariums and commercial uses


If you have many aquariums to care for and are searching for a multi-outlet air pump, you are in the right place. There are so many multi-outlet air pumps on the market and finding the […]

Best mini aquarium air pumps for bowls, nano fish tanks (1-15 gallons)


If you are having trouble finding the best mini aquarium pump for your fishbowl or nano fish tank, you have come to the right place. We understand that it can be hard to find an […]

Best and quietest aquarium air pumps with a loud comparison table


If you have an aquarium, finding the best aquarium air pump is essential to keep it aerated and healthy for your fish. That being said, many air pumps in the market are noisy and can […]

Anubias, a collect of popular types for aquariums and care guide


Anubias are aquatic plants. They can grow submerged or emersed. They grow in streams, rivers and marshes in the tropical areas of Africa. These plants are a sight to behold. With their lush green color […]

How much nitrate can fish tolerate, why it bad, how to get rid


Nitrate (NO3) is a difficult subject for most fish keepers and remains a grey area. Many struggle to keep nitrate levels low in their aquarium. In this article, we will investigate the impact of nitrate […]

Best 48-inch aquarium stands for 55/75/90 gallon fish tanks


Keeping an aquarium can be one of the most unique and rewarding hobbies to get involved in. However, it’s essential to keep your tank in a secure place where your fish can swim around without […]

Angelfish (Pterophyllum scalare) – tank setup, tankmates, feeding, breeding


Family: Cichlidae Scientific name: Pterophyllum scalare Common name: Angelfish, Black Angel, Lace Angel Distribution: South America Max length: 6 – 8 inches in length; 12 inches in height Minimum tank size: 30 gallons Stocking: should be […]

Best 36-inch stands for 30-50 gallon / 40-gallon breeder tanks


If fortunate to have ample space you may be looking to own a 30-50 gallon tank to display larger varieties of fish. Tanks of this size will require a specialist stand as the weight will […]

SpongeBob SquarePants aquarium: separate decorations and bundles


SpongeBob SquarePants and his friends are some of the most loved cartoon characters ever, and being funny underwater sea-creatures, they make awesome aquarium decorations and themes. You can make your very own SpongeBob SquarePants scene […]