T
Threadfin Rainbowfish
Iriatherina werneri
VS
Y
Yellow Watchman Goby
Cryptocentrus cinctus
Choosing between Threadfin Rainbowfish and Yellow Watchman Goby? 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.
Threadfin Rainbowfish
Iriatherina werneriVS
Yellow Watchman Goby
Cryptocentrus cinctusCommon Name
Threadfin Rainbowfish
Yellow Watchman Goby
Scientific Name
Iriatherina werneri
Cryptocentrus cinctus
Type
Freshwater
Saltwater / Marine
Difficulty
Intermediate
Intermediate
Temperament
Peaceful
Peaceful
Minimum Tank
10 gallons
10 gallons
Recommended Tank
20 gallons
20 gallons
Temperature
75°F - 82°F
72°F - 78°F
pH Range
6 - 7.5
8.1 - 8.4
Max Size
2 inches
3 inches
Lifespan
3-5 years
3-5 years
Diet
Small pellets, Frozen foods, Brine shrimp, Daphnia
Frozen Mysis shrimp, Frozen brine shrimp, Marine pellets, Copepods
Threadfin Rainbowfish
✓ Good For
- Community tanks
- Small tanks
- Schooling displays
Yellow Watchman Goby
✓ Good For
- Community tanks
- Small tanks
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