Teleostei (teleosts) >
Perciformes/Cottoidei (Sculpins) >
Agonidae (Poachers) > Hypsagoninae
Etymology: Agonomalus: Greek, a = without + Greek, gonias, -as = angle, corner + Greek, mala = a lot of (Ref. 45335).
Eponymy: Dr David Starr Jordan (1851–1931) was a leading American ichthyologist, physician, educator, peace activist and believer in eugenics; moreover, he was founding President of Stanford University. [...] (Ref. 128868), visit book page.
More on authors: Jordan & Starks.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; demersal; depth range 10 - 105 m (Ref. 58496). Temperate
Northwest Pacific: Japan to Sakhalin and the Sea of Japan.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 18.0 cm TL male/unsexed; (Ref. 56557); common length : 11.0 cm TL male/unsexed; (Ref. 56557)
Short description
Identification keys | Morphology | Morphometrics
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)
Threat to humans
Harmless
Human uses
Tools
Special reports
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Internet sources