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29 results for “nitrifying bacteria”

Wrought Iron Butterflyfish

Wrought Iron Butterflyfish

The Wrought Iron Butterflyfish, also known as the Black Discus, is a striking marine fish with a black body covered in white-edged scales that look like sequins. Native to the northwestern Pacific, it is a beautiful but challenging species best left to experienced aquarists.

Breeds πŸ“… August 5, 2026
Molly Fish

Molly Fish

Like the guppy, the molly is a live-bearing fish, and by body shape it is roughly split into common and balloon types, so there are many molly varieties. Mollies are very gentle and can be mixed with other equally gentle ornamental fish.

Breeds πŸ“… August 5, 2026
Lin’s Butterflyfish

Lin’s Butterflyfish

The Lin's Butterflyfish resembles other butterflyfish but is named for a black sickle-shaped band, also called Scythe Butterflyfish. Minimum tank 265 liters.

Breeds πŸ“… August 5, 2026
Scythemarked Butterflyfish

Scythemarked Butterflyfish

The Scythemarked Butterflyfish resembles other butterflyfish but is named for a black sickle-shaped band, also called Scythe Butterflyfish. Minimum tank 265 liters.

Breeds πŸ“… August 5, 2026
Yellow Butterflyfish

Yellow Butterflyfish

The Yellow Butterflyfish is mainly found in the Red Sea and Gulf of Aden, living in coral reefs at 3–20 m depth. Its beautiful appearance and easy care make it popular with aquarists.

Breeds πŸ“… August 5, 2026
Amazonas Dwarf Cichlid

Amazonas Dwarf Cichlid

The Amazonas Dwarf Cichlid is mainly distributed in Manaus, SantarΓ©m, and the Rio Negro of the Amazon River basin. With a body length of 9-6 cm, it is a relatively slender, small dwarf cichlid.

Breeds πŸ“… August 5, 2026
Black-banded Dwarf Cichlid

Black-banded Dwarf Cichlid

The Black-banded Dwarf Cichlid is mainly distributed at the confluence of the Rio Negro and the Amazon River in Brazil. It is a carnivorous ornamental fish with a gentle temperament and some territoriality, so care should be taken with tank mates, and plants should be added to the aquarium to give it a sense of security.

Breeds πŸ“… August 5, 2026
Pacific Double-Saddle Butterflyfish

Pacific Double-Saddle Butterflyfish

The Pacific Double-Saddle Butterflyfish (Chaetodon ulietensis), also called the Saddle-spot Butterflyfish, is a gentle marine species that is not difficult for beginners to keep. A popular saltwater ornamental fish, it is primarily coral-feeding and should not be housed in a reef tank. Adults reach about 20 cm in length.

Breeds πŸ“… August 5, 2026
What Beginners Should Know About Keeping Goldfish

What Beginners Should Know About Keeping Goldfish

More people keep pet fish, but beginners have many questions at first. Here are key points for keeping goldfish and other pet fish, to help you raise them better.

Pet Health πŸ“… August 7, 2026