Tagged With Goldfish

A single neon tetra with its signature blue and red stripe swimming among a group of its kind in a dimly lit, heavily planted aquarium

Cardinal Tetra vs. Neon Tetra: What Are the Differences?

30 March 2024

Major ways that cardinal tetras and neon tetras differ, such as size, coloration, water conditions, and how long they live.

Bright orange goldfish with flowing fins, mouth open to show pharyngeal teeth

Do Goldfish Have Teeth? Inside Their Unique Mouth Structure

25 March 2024

Goldfish don't have teeth in their mouths, but they do have pharyngeal teeth in their throats that can be regrown continuously.

Detailed stock image of a neon tetra with its vibrant blue and red striped body against a backdrop of green aquarium plants

The Best Neon Tetra Stocking Level for a 10-Gallon Tank: A Science-Based Answer

25 March 2024

Optimal neon tetra tank size, how to maintain the water, other fish that can live with neon tetras, and how to keep your fish healthy.

Vibrant blue and yellow angelfish swimming near the bottom of a clean aquarium, with traces of fish waste on the floor

Do Fish Poop? The Science Behind Fish Digestion

19 March 2024

Understanding of the digestive and excretory systems of fish, their effects on the environment, and waste management in both aquaculture and the wild.

Colorful goldfish swimming in a fish tank with a visible aquarium heater and thermometer

Do Goldfish Need a Heater? Optimal Tank Temperatures for Healthy Fish

19 March 2024

Ideal temperatures for keeping goldfish healthy and encouraging them to spawn, how to choose a heater, and how temperature affects goldfish behavior.

Serene aquarium with an orange Goldfish, Zebra Danio, and Rosy Barb swimming among green plants

Best Tank Mates for Goldfish: How to Build a Happy Aquarium

16 March 2024

Some good tank mates for goldfish are Zebra Danios and Rosy Barbs, but make sure to pay attention to size, behavior, and water preferences.

Vibrant orange goldfish examines betta food pellets on the surface of a clean tank

Can Goldfish Eat Betta Food? Nutritional Needs Explored

14 March 2024

Differences in what goldfish and bettas eat; betta food should be fed to goldfish sparingly; why a well-rounded diet is important for goldfish.

Vibrant orange Goldfish swimming in a fishbowl with a calendar in the background

How Long Can Goldfish Go Without Food? Know Their Tolerance Levels

12 March 2024

Goldfish starvation resistance, how water temperature impacts metabolic rates, how to tell if a goldfish is malnourished, and how to take care of a goldfish when you're away.

Blue and red Betta Fish in a small fishbowl beside a tank with several orange goldfish, illustrating species incompatibility

Can Betta Fish Live with Goldfish? Understanding Compatibility

7 March 2024

Betta fish and goldfish can't live together in the same tank because they have different temperature, food, and behavioral requirements.

Bright orange goldfish swimming in a clean aquarium with a visible filter and healthy aquatic plants

Do Goldfish Need a Filter? Essential Aquarium Care Explained

4 March 2024

The importance of goldfish tank filters for removing waste, maintaining water quality, and providing oxygen, and how this affects the health of the fish.

Vibrant orange goldfish swimming in a tank with aquatic plants, symbolizing health and growth potential

How Big Do Goldfish Get? The Factors That Determine Their Size

23 February 2024

Goldfish size is influenced by genetics, as well as the size of the tank, the quality of the water, the fish's diet, and how well they are taken care of, and can grow up to 18.7 inches long.

Close-up of a goldfish gills in motion with water pouring into the tank

Do Fish Drink Water? Exploring Hydration in Aquatic Life

7 February 2024

The ways in which freshwater and saltwater fish osmoregulate, including the biological processes involved, and how environmental factors can affect their ability to stay alive.