Ryukyu Ark Riverside
Green swordtail ※Off display.
- Rareness：★★★★★
This species of live-bearing (ovoviviparous) ricefish originated from Mexico. They were brought in as an aquarium fish for display however, they are now reproducing in reservoirs. The caudal fin of the male extends and looks like a sword which is the origin of its name.
| Scientific name | Xiphophorus hellerii |
|---|---|
| English name | Green swordtail |
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