S
Swordtail
Xiphophorus hellerii
VS
T
Tailspot Blenny
Ecsenius stigmatura
Choosing between Swordtail and Tailspot 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.
Swordtail
Xiphophorus helleriiVS
Tailspot Blenny
Ecsenius stigmaturaCommon Name
Swordtail
Tailspot Blenny
Scientific Name
Xiphophorus hellerii
Ecsenius stigmatura
Type
Freshwater
Saltwater / Marine
Difficulty
Beginner Friendly
Intermediate
Temperament
Peaceful
Peaceful
Minimum Tank
15 gallons
10 gallons
Recommended Tank
29 gallons
20 gallons
Temperature
72°F - 82°F
72°F - 78°F
pH Range
7 - 8.4
8.1 - 8.4
Max Size
5.5 inches
2.5 inches
Lifespan
3-5 years
2-4 years
Diet
High-quality flake food, Algae-based foods, Vegetable matter, Frozen bloodworms, Brine shrimp, Daphnia
Marine algae, Algae sheets, Frozen Mysis shrimp, Marine pellets
Swordtail
✓ Good For
- Community tanks
- Beginners
Tailspot Blenny
✓ Good For
- Community tanks
- Small tanks
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