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Zeiformes (Dories) >
Cyttidae (Lookdown dories)
Etymology: Cyttus: Greek, kyttaros, kytos = a convex cavity.
Eponymy: William Thomas Locke Travers (1819–1903) was a New Zealand explorer, lawyer, politician and naturalist. [...] (Ref. 128868), visit book page.
Umwelt: Milieu / Klimazone / Tiefenbereich / Verbreitungsgebiet
Ökologie
seewasser bathydemersal; tiefenbereich 200 - 978 m (Ref. 50308). Deep-water; 18°S - 55°S, 5°W - 173°W
Southeast Atlantic: Walvis Ridge and from off Cape Town to Algoa Bay in South Africa. Indo-West Pacific: south coast of Australia and New Zealand.
Länge bei der ersten Reifung / Größe / Gewicht / Alter
Geschlechtsreife: Lm 21.6  range ? - ? cm
Max length : 63.0 cm TL Männchen/unbestimmt; (Ref. 123586); common length : 33.0 cm TL Männchen/unbestimmt; (Ref. 9258); max. veröff. Alter: 38 Jahre (Ref. 117092)
Rückenflossenstacheln (insgesamt) : 9 - 10; Rückenflossenweichstrahlen (insgesamt) : 35 - 37; Afterflossenstacheln: 2; Afterflossenweichstrahlen: 36 - 38. Adults silvery grey in color; juveniles (to 10 cm) silvery with brown blotches (Ref. 4253).
Body shape (shape guide): short and / or deep.
Occurs in offshore waters (Ref. 9258). Juveniles pelagic in surface waters (Ref. 9563).
Lebenszyklus und Paarungsverhalten
Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fruchtbarkeit | Larven
Heemstra, P.C., 1986. Zeidae. p. 435-438. In M.M. Smith and P.C. Heemstra (eds.) Smiths' sea fishes. Springer-Verlag, Berlin. (Ref. 4253)
IUCN Rote Liste Status (Ref. 130435: Version 2025-2 (Global))
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
Fischereien: kommerziell
Tools
Zusatzinformationen
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Internet Quellen
Schätzungen auf der Grundlage von Modellen
Phylogenetischer Diversitätsindex (Ref. 82804) |
PD50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01995 (0.00850 - 0.04682), b=3.00 (2.79 - 3.21), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Trophische Ebene (Ref. 69278) |
3.9 ±0.87 se; based on food items. |
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Generation time |
13.7 ( na - na) years. Estimated as median ln(3)/K based on 2 growth studies. |
Widerstandsfähigkeit (Ref. 120179) |
sehr niedrig, Verdopplung der Population dauert mehr als 14 Jahre. (tm=5.2-6.3; tmax=38; K=0.04-0.07). |
Anfälligkeit der Fischerei (Ref. 59153) |
High to very high vulnerability (70 of 100). 🛈 |
Klimaanfälligkeit (Ref. 125649) |
High to very high vulnerability (74 of 100). 🛈 |
Preiskategorie (Ref. 80766) |
Unknown.
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Nährstoffe (Ref. 124155) |
Calcium = 19.5 [10.8, 43.4] mg/100g; Iron = 0.444 [0.162, 0.940] mg/100g; Protein = 17.4 [14.9, 20.2] %; Omega3 = 0.355 [0.181, 0.734] g/100g; Selenium = 20.4 [8.3, 51.5] μg/100g; VitaminA = 12.5 [2.2, 75.2] μg/100g; Zinc = 0.316 [0.203, 0.487] mg/100g (wet weight); |