科: Characidae
Jewel tetra, Serpae tetra（Hyphessobrycon eques）はカラシン科に分類される淡水魚で、南米に分布する。成魚は約 3–4.4 cm、適水温 22–26 °C。
A Characidae species native to South America: Hyphessobrycon eques lives bottom-dwelling over blackwater streams and flooded forest. Peaceful mid-water shoaler; confidence comes in numbers. Adults reach 3–4.4 cm. It is one of the aquarium-kept Hyphessobrycon species we profile, alongside Hyphessobrycon amandae, Hyphessobrycon herbertaxelrodi, Hyphessobrycon erythrostigma.
中級向き。水質の安定が重要。Peaceful mid-water shoaler; confidence comes in numbers。Groups of 8 minimum; more is visibly better。
適水温 22–26 °C。22–26 °C recorded range。Heater for stable tropical warmth。
成魚は 3–4.4 cm。最低 25 L。
Small omnivore; quality flakes and small frozen foods。Dark sand and leaf litter上で採餌する性質を活かし、沈む餌も与える。
Peaceful mid-water shoaler; confidence comes in numbers；Groups of 8 minimum; more is visibly better。向いているのはSmall Corydoras — Share the lower water peacefully。Large or predatory fish — Tetras are snacksは不向き。
原産地は南米。Blackwater streams and flooded forestに生息。Still to gentle current。Moderate。
リスクは低いが、ふたがあると安心。
繁殖：Typical egg-scattering characin; adults eat the eggs。Subtle; females fuller-bodied。