Fish Breeds — Complete Guide
Browse 6+ fish breeds with temperament, care requirements, and expert guides.
GroupSizeTraits
Showing all 6 breeds
- Aquatics

Betta Fish
inquisitive and individually variable
Tropical Southeast Asia, especially the Mekong basin and Thailand; domestic ornamental lines have been selectively bred far beyond the wild-type form. - Aquatics

Freshwater Angelfish
socially complex
Tropical South America, principally the Amazon basin in Peru, Colombia, and Brazil, with records from the rivers of Amapá, the Oyapock drainage in French Guiana, and the Essequibo in Guyana. - Aquatics

Goldfish
generally peaceful
East Asia, with China as the historic center of goldfish domestication and ornamental selection - Aquatics

Guppy
social
Trinidad and Tobago and northern South America, including Venezuela, Guyana, Suriname, and northern Brazil - Aquatics

Koi
social
Japan is credited with the modern ornamental koi recognized today, which Smithsonian places in early nineteenth-century Japan, developed from domesticated East Asian common-carp lineages with deeper carp-domestication roots in Asia. Sources differ on where the ornamental variety itself was developed: SRAC attributes its development to China, with subsequent Japanese influence. - Aquatics

Neon Tetra
schooling
Tropical South America, especially blackwater and clearwater tributaries associated with the Solimoes River basin; most aquarium fish are commercially produced rather than collected from a single uniform wild habitat.
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