Catfish & Bottom Dwellers — Complete Guide
Peaceful bottom-dwelling fish that help clean the tank. Catfish are social and need groups. They forage in the substrate and eat leftover food and algae.
Species in this group
Our database includes 5 catfish & bottom dwellers with full care guides, compatibility info, and stocking recommendations.
Quick comparison
| Species | Min tank | Adult size | Temperature | pH | Temperament | Care |
|---|---|---|---|---|---|---|
| Bronze Corydoras | 20 gal | 2.5" | 72-79°F | 6-7.5 | Peaceful | Easy |
| Panda Corydoras | 20 gal | 2" | 68-77°F | 6-7.2 | Peaceful | Moderate |
| Pygmy Corydoras | 10 gal | 1" | 72-79°F | 6.2-7.4 | Peaceful | Easy |
| Bristlenose Pleco | 29 gal | 5" | 73-81°F | 6.5-7.5 | Peaceful | Easy |
| Otocinclus | 10 gal | 1.5" | 72-79°F | 6-7.5 | Peaceful | Moderate |
Care tips for Catfish & Bottom Dwellers
When keeping catfish & bottom dwellers, consider these general guidelines:
- Water parameters: Match temperature, pH, and hardness across all species in your tank.
- Group size: Schooling species need groups of 6+ to reduce stress and show natural behavior.
- Diet: Provide a varied diet of quality flakes, pellets, and frozen foods.
- Tank setup: Research each species’ specific needs for decoration, flow, and swimming space.
Frequently asked questions
What are the best Catfish & Bottom Dwellers for aquariums?
Popular catfish & bottom dwellers for home aquariums include Bronze Corydoras, Panda Corydoras, Pygmy Corydoras, Bristlenose Pleco. Each species has unique care requirements — check individual guides for details.
Can different catfish & bottom dwellers live together?
Most catfish & bottom dwellers are compatible with each other if water parameters overlap. Use our compatibility checker to compare any two species before adding them together.
What tank size do catfish & bottom dwellers need?
Tank size depends on the species. Catfish & Bottom Dwellers range from 10 to 29 gallons minimum. Always check individual species requirements.