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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
Ecologie
marien demersaal; diepte 10 - 300 m (Ref. 58496). Temperate
Northwest Pacific: Japan to the Sea of Okhotsk and the Sea of Japan.
Grootte / Gewicht / Leeftijd
Maturity: Lm ?  range ? - ? cm
Max length : 22.0 cm TL mannelijk / geslacht onbekend; (Ref. 56557)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Dorsale stekels (totaal) : 8 - 10; Dorsale zachte stralen (totaal) : 5 - 7; Anale stekels: 0; Anale zachte stralen: 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.
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | 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)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2024-1)
Gevaar voor de mens
Harmless
Gebruik door de mens
Tools
Speciale rapporten
Download XML
Internetbronnen
Estimates based on models
Preferred temperature (Ref.
123201): 0.2 - 13.8, mean 2.4 °C (based on 101 cells).
Fylogenetische diversiteitsindex (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).
Trofisch niveau (Ref.
69278): 3.3 ±0.3 se; based on size and trophs of closest relatives
Weerstandsvermogen (Ref.
120179): Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (12 of 100).