Portland Aquarium

Starter guide

Freshwater Species


New posts

Best 50-watt aquarium heaters that are rated for 10-gallon fish tanks


Some hobbyists love to start with small tanks under 10 gallons. And if yours is a 10-gallon tank, you will need a 50-watt heater to keep the temperature right for the fish. In this review, […]

Quick care stats of Chili Rasbora – tank setup, tankmate, feeding


Family: Cyprinids Scientific name: Boraras brigittae Common name: Mosquito Rasbora, Chili rasbora Origin: Asia; southwestern Borneo, Indonesia Max length: 0.8 – 1.0 inch Minimum tank size: 10 gallons Stocking: 8-10 fish for a 10-gallon tank Temperament: […]

Best Hang-On-Back filters for fish tanks from nano to large


Also known as power filters, hang on back (HOB) filters are a basic recirculating water filter design that was created specifically for aquarium hobbyists in mind. They are great for beginner aquarists, especially if you […]

Choosing right aquarium LED lights for different tank kinds (fresh/salt-water)


One of the most important equipment you need to make your aquarium fully functional is the lighting. Different tank types will require different types of aquarium lights to thrive. In this article, we will look […]

Quick care stats of Green Mandarin Goby – tank setup, tankmate, feeding


Scientific name: Synchiropus splendidus Common name: Mandarin Goby, mandarin dragonet, psychedelic goby, and green mandarin Max length: 4 inches Minimum tank size: 30 gallons Stocking: 1 fish or a couple for a 30-gallon tank Temperament: […]

Best 36-inch LED lights for 30-50 gallon tanks (fish, plant, reef)


With a 30-50 gallon tank, you can start your aquarist journey in so many ways as you want. You can have a setup with a fish-only, a saltwater reef, or a freshwater planted tank. To […]

Best CO2 regulators & accessories with setup guide for planted tanks


Aquarium CO2 (carbon dioxide) is used by plants during photosynthesis to build new cells for plant growth. Most freshwater aquatic plants rely entirely on the carbon dioxide that is dissolved in the water unless they […]

Quick care stats of Clown Killifish – tank setup, tankmate, feeding


Family: Nothobranchiidae Scientific name: Epiplatys annulatus Common name: Clown Killifish, Rocket Panchax, Banded panchax Origin: Liberia, Sierra Leon, Guinea, West Africa Max length: 1.5 inches (males), females will be significantly smaller Minimum tank size: 10 […]

Best aquarium filters from different types and guide for choice


When you begin setting up your aquarium you know that you need to filter the water but there are many, many types of aquarium filter systems to choose from. In the tank? Outside of the […]

Best coral-friendly and easy-to-care fish for beginners’ reef tanks


When you decided to start up a saltwater tank hopefully you did some basic thinking as to what type of tank you want – just corals? just fish? live rock with fish? or a true […]