J
Jack Dempsey
Rocio octofasciata
VS
L
Lawnmower Blenny
Salarias fasciatus
Choosing between Jack Dempsey and Lawnmower Blenny? Both are excellent choices, but they have different care requirements and temperaments. Use the detailed comparison below to make an informed decision based on your experience level, tank size, and community goals.
Jack Dempsey
Rocio octofasciataVS
Lawnmower Blenny
Salarias fasciatusCommon Name
Jack Dempsey
Lawnmower Blenny
Scientific Name
Rocio octofasciata
Salarias fasciatus
Type
Freshwater
Saltwater / Marine
Difficulty
Intermediate
Intermediate
Temperament
Aggressive
Peaceful
Minimum Tank
55 gallons
30 gallons
Recommended Tank
75 gallons
55 gallons
Temperature
75°F - 80°F
75°F - 82°F
pH Range
6.5 - 8
8.1 - 8.4
Max Size
15 inches
6 inches
Lifespan
10-15 years
2-6 years
Diet
Cichlid pellets, Frozen foods, Live foods, Shrimp, Bloodworms, Vegetable matter
Marine algae, Hair algae, Diatoms, Nori, Spirulina, Marine pellets
Jack Dempsey
✓ Good For
Lawnmower Blenny
✓ Good For
- Community tanks
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