The Aquarium Adviser
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Malawi Cichlids Water Parameters | Temperature, pH and GH
Fish

Malawi Cichlids Water Parameters | Temperature, pH and GH

Malawi cichlids thrive in warm, alkaline, hard water between 24-26°C (75-79°F), pH 7.5-8.5, and 15-25°dGH. Maintaining stable water chemistry and avoiding temperature swings is critical to their health and reduces aggression in a densely stocked tank.

Photo by crabchick on Openverse (CC BY 2.0)

Fish

Tetra Fish: All Tetra Species

Tetras are peaceful, schooling fish native to South American rivers-perfect for community aquariums if you understand their species differences, care requirements, and compatibility. This guide covers 12 popular tetra species and how to keep them thriving.

7 Types of Saltwater Angelfish (Pomacanthidae Family)
Fish

7 Types of Saltwater Angelfish (Pomacanthidae Family)

Saltwater angelfish (family Pomacanthidae) range from peaceful dwarf species to majestic large fish, each with distinct coloring, behavior, and care requirements-but none breed reliably in captivity.

Photo by Derek Keats on Openverse (CC BY 2.0)

What Kind of Food Do Tiger Barb Fish Eat?
Fish

What Kind of Food Do Tiger Barb Fish Eat?

Tiger barbs are opportunistic omnivores that readily eat both live and dry foods, making them easy to feed in home aquariums. A varied diet including live foods, quality flakes, and occasional protein supplements keeps them healthy and promotes vibrant coloration.

Photo by thebittenword.com on Openverse (CC BY 2.0)

Discus Fish Diseases and Treatment
Fish

Discus Fish Diseases and Treatment

Discus fish are susceptible to various bacterial, fungal, and parasitic diseases, but early identification and prompt quarantine can help your fish recover. Here's how to recognize symptoms and apply effective treatments.

Photo by Bernard Spragg on Openverse (CC0)

Will Otocinclus Eat Zucchini? Dietary Requirements for This Catfish
Fish

Will Otocinclus Eat Zucchini? Dietary Requirements for This Catfish

Yes, otocinclus catfish will eagerly eat blanched zucchini, along with cucumber and canned green beans. These peaceful algae-eaters are omnivores that thrive on a vegetable-rich diet supplemented with gel foods and live algae.

Photo by AJC1 on Openverse (CC BY-SA 2.0)

Cockatoo Dwarf Cichlid - Apistogramma Cacatuoides: Care and Breeding
Fish

Cockatoo Dwarf Cichlid - Apistogramma Cacatuoides: Care and Breeding

The Cockatoo Dwarf Cichlid (Apistogramma cacatuoides) is one of the hardiest and most beginner-friendly dwarf cichlids, known for its attractive crested appearance and flexibility with water conditions. Learn everything you need to know about setting up their tank, feeding, breeding, and raising fry successfully.

Photo by Igor Balashov on Openverse (CC BY 4.0)

Puffer Fish - Tankmates and Diet
Fish

Puffer Fish - Tankmates and Diet

Puffer fish are aggressive and demand specialized care-most species cannot safely live with other fish, and they require live or hard-shelled prey to keep their teeth sharp and healthy.

Photo by wwarby on Openverse (CC BY 2.0)

Difference Between Saltwater and Freshwater: Fish and Aquarium
Fish

Difference Between Saltwater and Freshwater: Fish and Aquarium

Freshwater and saltwater fish have evolved completely different ways to regulate their bodies in their respective environments, which determines everything from equipment to maintenance to the species you can keep. Understanding osmoregulation-how fish balance internal chemistry against external water salinity-is essential before choosing between a freshwater or saltwater tank.

Photo by ecastro on Openverse (CC BY 2.0)