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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 / rango de profundidad / distribution range
Ecología
marino demersal; rango de profundidad 10 - 105 m (Ref. 58496). Temperate
Northwest Pacific: Japan to Sakhalin and the Sea of Japan.
Tamaño / Peso / Age
Madurez: Lm ?  range ? - ? cm
Max length : 18.0 cm TL macho / no sexado; (Ref. 56557); common length : 11.0 cm TL macho / no sexado; (Ref. 56557)
Short description
Claves de identificación | Morfología | Morfometría
Espinas dorsales (total) : 7 - 9; Radios blandos dorsales (total) : 6 - 8; Espinas anales: 0; Radios blandos anales: 13 - 14. No free rays on pectoral fin. A barbel present on the tip of the snout. dorsum highly elevated at nape. Lateral line black.
Body shape (shape guide): elongated.
Life cycle and mating behavior
Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva
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 2025-1)
Threat to humans
Harmless
Human uses
Herramientas
Special reports
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Fuentes de Internet
Estimates based on models
Preferred temperature (Referencia
123201): 5.1 - 17, mean 11.6 °C (based on 40 cells).
Phylogenetic diversity index (Referencia
82804): PD
50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00479 (0.00189 - 0.01213), b=3.05 (2.83 - 3.27), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Nivel trófico (Referencia
69278): 3.3 ±0.1 se; based on size and trophs of closest relatives
Resiliencia (Referencia
120179): Bajo, población duplicada en un tiempo mínimo de 4.5-14 años (Assuming Fec < 100).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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