Head to head
Demasoni Cichlid vs Bumblebee Cichlid
The demasoni cichlid and bumblebee cichlid are both Lake Malawi mbuna with reputations for aggressive behaviour, but the two species direct that aggression in very different ways.
| Demasoni Cichlid | Bumblebee Cichlid | |
|---|---|---|
| Scientific name | Pseudotropheus demasoni | Pseudotropheus crabro |
| Type of aggression | Territorial, toward rivals and tankmates | Opportunistic egg predation |
| Adult size | About 6 to 8 cm | Larger than demasoni |
| Signature pattern | Vivid blue body with black vertical bars | Yellow-and-black bands resembling a catfish |
| Natural range within Lake Malawi | A small number of specific rocky sites | Wider rocky shoreline habitat |
| Management strategy in aquariums | Kept in large groups to spread aggression | Managed as an opportunistic feeder |
| Conservation status | Least Concern | Least Concern |
| Habitat | Wetlands | Wetlands |
Demasoni Cichlid vs Bumblebee Cichlid: common questions
Which is more aggressive, the demasoni cichlid or the bumblebee cichlid?
The demasoni cichlid is considered one of the most aggressive fish, inch for inch, within the mbuna group, directing near-constant territorial aggression at rivals and tankmates, while the bumblebee cichlid instead channels its aggression into a more specialised form of opportunistic egg predation against other mouthbrooding cichlids.
How does the bumblebee cichlid steal eggs from other cichlids?
Its yellow-and-black banded pattern closely resembles a local bottom-dwelling catfish, a resemblance that may help the bumblebee cichlid approach mouthbrooding females of other cichlid species without triggering the same alarm response an obviously predatory cichlid would provoke, letting it snatch eggs directly from their mouths.
Why is the demasoni cichlid kept in large groups despite being so aggressive?
Keeping this species in a large group within a spacious aquarium spreads its aggression across many individuals, preventing any single fish from being singled out and relentlessly targeted, a management strategy commonly used for particularly aggressive small mbuna like the demasoni cichlid.