B

Black Cap Basslet

Gramma melacara

VS
T

Threadfin Rainbowfish

Iriatherina werneri

Choosing between Black Cap Basslet and Threadfin Rainbowfish? 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.

Black Cap Basslet

Gramma melacara
VS

Threadfin Rainbowfish

Iriatherina werneri
These fish can typically coexist peacefully
Common Name
Black Cap Basslet
Threadfin Rainbowfish
Scientific Name
Gramma melacara
Iriatherina werneri
Type
Saltwater / Marine
Freshwater
Difficulty
Intermediate
Intermediate
Temperament
Semi-Aggressive
Peaceful
Minimum Tank
30 gallons
10 gallons
Recommended Tank
40 gallons
20 gallons
Temperature
72°F - 78°F
75°F - 82°F
pH Range
8.1 - 8.4
6 - 7.5
Max Size
4 inches
2 inches
Lifespan
5-7 years
3-5 years
Diet
Frozen Mysis shrimp, Frozen brine shrimp, Marine pellets, Copepods
Small pellets, Frozen foods, Brine shrimp, Daphnia

Black Cap Basslet

✓ Good For

  • Community tanks

Threadfin Rainbowfish

✓ Good For

  • Community tanks
  • Small tanks
  • Schooling displays
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