Pet betta (Betta splendens) — diet & nutrition — representative studies (Europe PMC)
Source: Europe PMC REST search, query "(betta OR Betta splendens OR Siamese fighting fish) AND (diet OR nutrition OR feeding OR husbandry)", 4439 hits (2026-07-22). 6 representative studies below (filtered for species + nutrition relevance).
- PMID 41742729 — Retinoic acid production via the ray-finned fish gene bco1l is essential for juvenile development. (Genetics, 2026). Abstract (opening): In vertebrates, vitamin A (VA) is crucial for development, tissue homeostasis, vision, and immunity. Retinal, a form of VA, can be produced via enzymatic cleavage of β-carotene by
- PMID 40243806 — Hydroalcoholic extract of pitaya (Hylocereus guatemalensis) supplied in the diet for blue Betta splendens and its effects on fish pigmentation. (Anais da Academia Brasileira de Ciencias, 2025). Abstract (opening): The experiment was conducted to evaluate the composition of the hydroalcoholic extract of pitaya bark (Hylocereus guatemalensis) and its effects on the diet of male blue Betta sple
- PMID 41424203 — Can online videos posted by hobbyists be useful for conservation and science? A YouTube case study of the reproduction of the endangered white-edged fighting fish, Betta albimarginata. (Journal of fish biology, 2026). Abstract (opening): The breeding aspects of white-edged fighting fish (Betta albimarginata) through YouTube videos were investigated in this study. Four videos were analysed for their coverage of key
- PMID 39553242 — Effect of Fish Meal Substitution with Black Soldier Fly ( (Aquaculture nutrition, 2023). Abstract (opening): Insects such as black soldier fly larvae (BSFL) are gaining interest among researchers and the aquafeed industry due to the fluctuating price and supply of fish meal (FM). This stu
- PMID 37915084 — Acute toxicity of ammonia and nitrite to Siamese fighting fish (Betta splendens). (BMC zoology, 2023). Abstract (opening): The acute toxicity and sublethal effects of ammonia and nitrite on the air-beathing Siamese fighting fish, betta (Betta splendens) was studied for 96 h. The LC50 (50% Lethal Concen
- PMID 41386685 — Aspects of the Histopathology of Clarias gariepinus Infected With the Camallanid Parasite Procamallanus (Procamallanus) pseudolaeviconchus Moravec and Van As, 2015. (Journal of fish diseases, 2026). Abstract (opening): Histopathological studies of infections with the nematode Procamallanus (Procamallanus) pseudolaeviconchus Moravec and Van As, 2015, an intestinal parasite of Clarias gariepinus (B
Note: study selection and synthesis are left to the API consumer; this topic only surfaces primary sources with verbatim abstract openings.
Source text: pdf-raw/evidence/europepmc_evidence_exotic_betta_nutrition_2026-07-22.txt (Europe PMC REST + PubMed efetch, 2026-07-22).