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Callionymiformes (Dragonets) >
Callionymidae (Dragonets)
Etymology: Synchiropus: Greek, syn, symphysis = grown together + Greek, cheir = hand + Greek, pous = foot (Ref. 45335).
Eponymy: Professor Dr Isao Ijima (1861–1921) was Professor of Zoology at Science College, Imperial University of Tokyo (1885–1921) from where he had graduated (1881). [...] (Ref. 128868), visit book page.
More on authors: Jordan & Thompson.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina revassocierade; djupintervall 10 - 20 m (Ref. 9710), usually 10 - 20 m (Ref. 27115). Temperate; 18°C - 22°C (Ref. 27115)
Northwest Pacific: Japan (Ref. 559) and South Korea (Ref. 77001).
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 10.0 cm TL hane/ej könsbestämd; (Ref. 9710)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt) : 4; Mjukstrålar i ryggfenan (totalt) : 8; Taggstrålar i analfenan: 0; Mjukstrålar i analfenan: 7. A pair of supraorbital cirri present. The first dorsal fin of male high, broad and with many narrow white lines. Preopercular spine with an antrorse process at base which is absent in N. ocellatus and N. morrisoni. Attains 7 cm SL.
Body shape (shape guide): fusiform / normal; Cross section: circular.
Inhabits coral and rocky reefs. Found on algal covered rocks and boulders (Ref. 9710).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
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 på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
Mänskliga användningsområden
Fiskeri: kommersiell; Akvarium: Kommersiell
Verktyg
Särskilda rapporter
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Internet-källor
Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00933 (0.00385 - 0.02260), b=2.96 (2.75 - 3.17), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.4 ±0.4 se; based on size and trophs of closest relatives
Resiliens (Ref.
120179): Hög, lägsta populationsfördubblingstid mindre än 15 månader (Preliminary K or Fecundity.).
Sårbarhet i fisket (Ref.
59153): Low vulnerability (10 of 100).
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