Fish directory

Profiles with adult tank sizes, temperament, and FAQs. Filter by water type or difficulty.

Showing 2 species · Freshwater · Intermediate

Freshwater · Intermediate

Goldfish

Carassius auratus

Goldfish are coldwater carp, not bowl ornaments. Fancy strains need tens of gallons and strong filtration; single-tail commons belong in very large tanks or ponds.

Min. tank: 30 gal

Care notes →

Freshwater · Intermediate

Angelfish

Pterophyllum scalare

Freshwater angelfish are tall Amazonian cichlids. They need height more than a long, low tank. About 30 gallons and 18+ inches of height for a pair is an indoor start.

Min. tank: 30 gal

Care notes →