Teleostei (teleosts) >
Perciformes/Gasterosteoidei (Sticklebacks) >
Hypoptychidae (Sand eel)
Etymology: Hypoptychus: Greek, hypo = under + Greek, ptyx, -ichos = fold (Ref. 45335).
Eponymy: Benedykt (Benoit) Tadeusz Dybowski (1833–1930) was a Polish biologist who was born in what is now Belarus. [...] (Ref. 128868), visit book page.
More on author: Steindachner.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; benthopelagic. Temperate; 67°N - 32°N
North Pacific: Sakhalin, Russia to northern Japan.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 10.0 cm TL male/unsexed; (Ref. 56557); max. reported age: 1.00 years (Ref. 26245)
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Masuda, H., K. Amaoka, C. Araga, T. Uyeno and T. Yoshino, 1984. The fishes of the Japanese Archipelago. Vol. 1. Tokai University Press, Tokyo, Japan. 437 p. (text). (Ref. 559)
IUCN Red List Status (Ref. 130435: Version 2025-2 (Global))
Threat to humans
Harmless
Human uses
Fisheries: commercial
Tools
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