H
Helfrichi Firefish
Nemateleotris helfrichi
VS
J
Jack Dempsey
Rocio octofasciata
Choosing between Helfrichi Firefish and Jack Dempsey? 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.
Helfrichi Firefish
Nemateleotris helfrichiVS
Jack Dempsey
Rocio octofasciataCommon Name
Helfrichi Firefish
Jack Dempsey
Scientific Name
Nemateleotris helfrichi
Rocio octofasciata
Type
Saltwater / Marine
Freshwater
Difficulty
Intermediate
Intermediate
Temperament
Peaceful
Aggressive
Minimum Tank
20 gallons
55 gallons
Recommended Tank
30 gallons
75 gallons
Temperature
72°F - 78°F
75°F - 80°F
pH Range
8.1 - 8.4
6.5 - 8
Max Size
2.5 inches
15 inches
Lifespan
3-5 years
10-15 years
Diet
Frozen Mysis shrimp, Frozen brine shrimp, Marine pellets, Copepods
Cichlid pellets, Frozen foods, Live foods, Shrimp, Bloodworms, Vegetable matter
Helfrichi Firefish
✓ Good For
- Community tanks
Jack Dempsey
✓ Good For
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