J

Jack Dempsey

Rocio octofasciata

VS
M

Melanurus Wrasse

Halichoeres melanurus

Choosing between Jack Dempsey and Melanurus Wrasse? 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 octofasciata
VS

Melanurus Wrasse

Halichoeres melanurus
These fish may not be compatible - check temperament and water requirements
Common Name
Jack Dempsey
Melanurus Wrasse
Scientific Name
Rocio octofasciata
Halichoeres melanurus
Type
Freshwater
Saltwater / Marine
Difficulty
Intermediate
Intermediate
Temperament
Aggressive
Peaceful
Minimum Tank
55 gallons
75 gallons
Recommended Tank
75 gallons
100 gallons
Temperature
75°F - 80°F
72°F - 78°F
pH Range
6.5 - 8
8.1 - 8.4
Max Size
15 inches
6 inches
Lifespan
10-15 years
5-7 years
Diet
Cichlid pellets, Frozen foods, Live foods, Shrimp, Bloodworms, Vegetable matter
Frozen Mysis shrimp, Frozen brine shrimp, Marine pellets, Copepods, Small invertebrates

Jack Dempsey

✓ Good For

Melanurus Wrasse

✓ Good For

  • Community tanks
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