Korean sandlance

The Korean sandlance (Hypoptychus dybowskii) is a species of marine ray-finned fish. It is the only member of the monotypic family Hypoptychidae. It is classified in the suborder Gasterosteoidei. It is endemic in the northwestern Pacific Ocean.

Korean sandlance

Etymology

The Korean sandlance's genus name, Hypoptychus, is a combination of hypo, which means "under", and ptychos, meaning "fold", an allusion to the fin fold on the lower surface of the body.

Description

The Korean sandlance is an elongated fish shaped like a thin rugby ball. Its dorsal and anal fins are placed well back on the body towards the caudal fin. Around the eye is a broken ring. There's no pelvic girdle or pelvic fins.

Related pages

• Aulorhamphus
• Balistomorphus
• Xiphiorhynchus

References

1. Froese, Rainer, and Daniel Pauly, eds. (2022). "Hypoptychidae" in FishBase. June 2022 version.
2. Froese, Rainer; Pauly, Daniel (eds.) (2022). "Hypoptychus dybowskii" in FishBase. June 2022 version.