Flyspeck hardyhead
Craterocephalus stercusmuscarum
- Adult size
- 5 cm2 in
- Group
- 8+
- Tank length
- 30 cm12 in
- Lifespan
- 2–4 yrs
- Temperature
- 9–29 °C48–84 °F
- pH
- 5.5–8
- Hardness
- 1–20 dGH
- Diet
- omnivore
Fast surface-shoaling fish that needs a group of eight or more and open swimming length.Fast surface-shoaling fish that needs a group of eight or more and open swimming length.
Tank sizes
Good tankmates
Avoid with
- African knifefish
African knifefish may eat Flyspeck hardyheadAfrican knifefish may eat Flyspeck hardyhead
- African pike
African pike may eat Flyspeck hardyheadAfrican pike may eat Flyspeck hardyhead
- Alligator gar
Alligator gar may eat Flyspeck hardyheadAlligator gar may eat Flyspeck hardyhead
- Antenna ray
Antenna ray may eat Flyspeck hardyheadAntenna ray may eat Flyspeck hardyhead
- Arapaima
Arapaima may eat Flyspeck hardyheadArapaima may eat Flyspeck hardyhead
- Asian arowana
Asian arowana may eat Flyspeck hardyheadAsian arowana may eat Flyspeck hardyhead
- Asian upside-down catfish
Asian upside down catfish may eat Flyspeck hardyheadAsian upside down catfish may eat Flyspeck hardyhead
- Australian pearl arowana
Australian pearl arowana may eat Flyspeck hardyheadAustralian pearl arowana may eat Flyspeck hardyhead
- Barred bichir
Barred bichir may eat Flyspeck hardyheadBarred bichir may eat Flyspeck hardyhead
- Black bullhead
Black bullhead may eat Flyspeck hardyheadBlack bullhead may eat Flyspeck hardyhead
- Black diamond cichlid
Black diamond cichlid may eat Flyspeck hardyheadBlack diamond cichlid may eat Flyspeck hardyhead
- Brown bullhead
Brown bullhead may eat Flyspeck hardyheadBrown bullhead may eat Flyspeck hardyhead
Sources
| temperature | 9–29 | AqAdvisor (aqadvisor.com), retrieved 2026-10-04 · low |
|---|---|---|
| ph | 5.5–8 | AqAdvisor (aqadvisor.com), retrieved 2026-10-04 · low |
| gh | 1–20 | AqAdvisor (aqadvisor.com), retrieved 2026-10-04 · low |
| origin | Northern and eastern Australia and southern New Guinea | curated-v0 (needs expert review) · low |
| notes | Fast surface-shoaling fish that needs a group of eight or more and open swimming | curated-v0 (needs expert review) · medium |
| beginner friendly | false | curated-v0 (needs expert review) · medium |
| care level | moderate | curated-v0 (needs expert review) · medium |
| color palette | #C8CCC0, #D8C060 | curated-v0 (needs expert review) · low |
| activity | active | curated-v0 (needs expert review) · medium |
| swim zone | top | curated-v0 (needs expert review) · medium |
| temperament | peaceful | curated-v0 (needs expert review) · medium |
| fin nipper | false | curated-v0 (needs expert review) · medium |
| long finned | false | curated-v0 (needs expert review) · medium |
| territorial | false | curated-v0 (needs expert review) · medium |
| schooling | true | curated-v0 (needs expert review) · medium |
| schooling min | 8 | curated-v0 (needs expert review) · medium |
| diet | omnivore | curated-v0 (needs expert review) · medium |
| lifespan years | 2–4 | curated-v0 (needs expert review) · low |
| growth to adult months | 8 | curated-v0 (needs expert review) · low |
| length weight | {"a":0.007,"b":3} | curated-v0 (needs expert review) · low |
| planted safe | true | curated-v0 (needs expert review) · medium |
| body shape | rainbow | curated-v0 (needs expert review) · medium |