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Perciformes/Cottoidei (Sculpins) >
Agonidae (Poachers) > Agoninae
Eponymy: Dr Harry Wyman Freeman (1923–2012) was Professor of Biology at College of Charleston, his alma mater. [...] Sir D’Arcy Wentworth Thompson (1860–1948) was a Scottish mathematician and biologist. [...] (Ref. 128868), visit book page.
More on authors: Jordan & Gilbert.
Environment: milieu / climate zone / depth range / distribution range
Ökologie
seewasser demersal; tiefenbereich 10 - 300 m (Ref. 58496). Temperate
Northwest Pacific: Japan to the Sea of Okhotsk and the Sea of Japan.
Size / Gewicht / Alter
Maturity: Lm ?  range ? - ? cm
Max length : 22.0 cm TL Männchen/unbestimmt; (Ref. 56557)
Kurzbeschreibung
Bestimmungsschlüssel | Morphologie | Morphometrie
Rückenflossenstacheln (insgesamt) : 8 - 10; Rückenflossenweichstrahlen (insgesamt) : 5 - 7; Afterflossenstacheln: 0; Afterflossenweichstrahlen: 6 - 8. Snout projecting forward, with a pair of patches of barbels on its ventral surface. A well-developed strong keel is on the lateral side of the head.
Life cycle and mating behavior
Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven
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 Rote Liste Status (Ref. 130435: Version 2024-1)
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
Tools
Zusatzinformationen
Download XML
Internet Quellen
Estimates based on models
Preferred temperature (Ref.
123201): 0.2 - 13.8, mean 2.4 °C (based on 101 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.3 ±0.3 se; based on size and trophs of closest relatives
Widerstandsfähigkeit (Ref.
120179): mittel, Verdopplung der Population dauert 1,4 - 4,4 Jahre. (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (12 of 100).