Freshwater species
Betta Fish
Betta splendens and domestic hybrids
A tropical labyrinth fish known for vivid color, elaborate finnage, and individual personality. Bettas need warm, clean, stable water, gentle filtration, surface access, and enough room to swim and rest comfortably.
Currently listed on New Fish Day
Betta Fish appears on the current New Fish Arrivals list. Availability changes as livestock sells.
Check New Fish ArrivalsQuick Care Information
- Adult size
- About 2.5–3 inches
- Temperature
- 78–82°F
- pH
- 6.0–8.0
- Minimum aquarium
- 5 gallons for one Betta
- Temperament
- Territorial; community compatibility varies by individual
- Group
- Usually kept singly; males should not be housed together
Before You Bring Them Home
Use these numbers as a starting point, not as a substitute for evaluating the whole aquarium. Tank dimensions, filtration, water stability, existing livestock, adult size, and behavior all matter when choosing fish or shrimp.
Read the Full Betta Fish Care Guide
Browse freshwater fish groups or contact Fins For Grins with questions about your setup.