Portland Aquarium

Starter guide

Freshwater Species


New posts

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 […]

Quick care stats of Dwarf Seahorse – tank setup, tankmate, feeding


Family: Syngnathidae Scientific name: Hippocampus zosterae Common name: Dwarf Seahorse Origin: Western Atlantic Ocean, Caribbean Sea, and the Gulf of Mexico Max length: 2 inches max (usually smaller) Minimum tank size: 5 gallons Stocking: 4 […]

How to cure live rock to use in saltwater fish or reef tanks


You are most probably reading this article because you have spotted a big tank full of something by the name of “live rock” in your local aquarium store and wondered what it is. Far from […]

Best 75-100 watt heaters for 20 gallon fish tanks


In order to maintain a healthy water temperature range in a 20-gallon fish tank, a 75-100 watt aquarium heater is the right choice. Features like adjustable temperature, safety-shutoff, and easy-to-setup are what you should look […]

How do protein skimmers work and how to choose one?


Protein skimmers utilize different designs and methods to remove the dissolved organic wastes, all with claims of efficiency and ability. So, it is hard to determine which design is the right one for your system […]