Sources fetched 13 November 2026. PawLine editorial team. Not professionally reviewed.
Betta-care education, not veterinary advice. Contact a fish-experienced veterinarian promptly if something seems wrong, including changed swimming, injury, breathing difficulty or not eating. Human illness after aquarium contact needs a healthcare provider. Do not wait for a note or app answer. No safe waiting interval is supplied.
One species, not every betta
The scope is domestic Betta splendens. It is not a guide to all wild Betta species, commercial breeding, shipping, marine aquariums or mixed-species stocking. An air-breathing adaptation is explained without turning commercial holding conditions into a home-welfare recommendation.
The disagreements remain visible
The 2019 UF/IFAS publication endorses small containers under managed conditions; RSPCA welfare guidance rejects small bowls and emphasizes room for normal activity. MSD’s general page includes a no-heater/filter exception. These are meaningful differences, not numbers to average. This site follows the welfare-oriented prepared-environment direction and does not claim universal consensus.
Dates are not invented
Sources were fetched on 13 November 2026. RSPCA Australia displays 1 May 2024. CDC displays 15 April 2024. PetMD displays an April 2026 update despite older fetch metadata. MSD separates full review from update. Undated sources are not given new review dates by this website, and external authors have not reviewed this site.
The publisher and the limit
The site is openly by PawLine. The official product image and store badges are linked material; current pricing and offers belong to the store. The temporary note does not diagnose, prescribe, arrange care or monitor an animal. No native, professional or veterinary review of this site is claimed.
Sources and limits
RSPCA Australia: Siamese fighting fish care, updated 1 May 2024
CDC: Fish, displayed 15 April 2024
MSD Veterinary Manual: Providing a Home for Fish, full review February 2020, updated April 2026
UF/IFAS: Evolution, Culture, and Care for Betta splendens, original publication March 2019
PetMD: Betta Fish Care Sheet, Maria Zayas DVM, displayed updated27April2026