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Pleuronectiformes (Flatfishes) >
Cynoglossidae (Tonguefishes) > Symphurinae
Etymology: Symphurus: Greek, syn, symphysis = grown together + Greek, oura = tail (Ref. 45335).
Eponymy: John Roxborough Norman (1898–1944) was an English ichthyologist who started his working life as a bank clerk. [...] (Ref. 128868), visit book page.
More on author: Chabanaud.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina bottenlevande; djupintervall 50 - 100 m (Ref. 27121). Tropical
Eastern Atlantic: Gulf of Guinea (Ref. 2683) to Angola. Reported from northern Namibia (Ref. 27121).
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 70.0 cm TL hane/ej könsbestämd; (Ref. 36731)
Inhabits mud and sand bottoms (Ref. 2683).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Desoutter, M., 1990. Cynoglossidae. p. 1050-1054. In J.C. Quero, J.C. Hureau, C. Karrer, A. Post and L. Saldanha (eds.) Check-list of the fishes of the eastern tropical Atlantic (CLOFETA). JNICT, Lisbon; SEI, Paris; and UNESCO, Paris. Vol. 2. (Ref. 6511)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
Mänskliga användningsområden
Fiskeri: kommersiell
Verktyg
Särskilda rapporter
Ladda ner XML
Internet-källor
Uppskattningar baserade på modeller
Önskad temperatur (Ref.
123201): 14.2 - 19.8, mean 17.8 °C (based on 17 cells).
Index för fylogenetisk mångfald (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01122 (0.00514 - 0.02450), b=3.04 (2.87 - 3.21), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.5 ±0.5 se; based on size and trophs of closest relatives
Resiliens (Ref.
120179): Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (Preliminary K or Fecundity.).
Sårbarhet i fisket (Ref.
59153): Moderate to high vulnerability (48 of 100).
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