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Zeiformes (Dories) >
Cyttidae (Lookdown dories)
Etymology: Cyttus: Greek, kyttaros, kytos = a convex cavity.
Environment: milieu / climate zone / depth range / distribution range
بوم شناسي
دريايي موجوداتی که در اعماق زیر 200 متر زندگی و تغذیه می کنند; تغييرات عمق 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.
Length at first maturity / Size / Weight / سن
Maturity: Lm 21.6  range ? - ? cm
Max length : 63.0 cm TL جنس نر / بدون خواص جنسي; (Ref. 123586); common length : 33.0 cm TL جنس نر / بدون خواص جنسي; (Ref. 9258)
خارهاي باله پشتي (کل): 9 - 10; شعاع نرم باله پشتي (کل): 35-37; خارهاي باله مخرجي 2; شعاع نرم باله مخرجي: 36 - 38. Adults silvery grey in color; juveniles (to 10 cm) silvery with brown blotches (Ref. 4253).
Occurs in offshore waters (Ref. 9258). Juveniles pelagic in surface waters (Ref. 9563).
Life cycle and mating behavior
بلوغ | تولید مثل | تخم ریزی | تخم ها | Fecundity | توزاد ( لارو)
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)
وضعيت در فهرست قرمز IUCN (Ref. 130435)
خطر برای انسان ها
Harmless
استفاده انسانی
ماهي گيري – شيلات: تجاري
اطلاعات بيشتر
اسامي عاممترادفسوخت و سازشکارچیانسم شناسي بوم زيستيتولید مثلبلوغتخم ریزیSpawning aggregationFecundityتخم هانمو تخم
مراجعآبزي پرورينمايه آبزي پرورينژادهاژنتيكElectrophoresesوارثبيماري هافرآوریNutrientsMass conversion
همكارانعکس هاStamps, Coins Misc.صداهاسيگواتراسرعتنوع شناگریمنطقه آبششيOtolithsمغزهابینایی
ابزارها
گزارش های ويژه
بارگيری XML
منابع اينترنتي
Estimates based on models
Preferred temperature (Ref.
123201): 5.9 - 12.8, mean 8.3 °C (based on 194 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01950 (0.00831 - 0.04576), b=3.00 (2.79 - 3.21), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.9 ±0.87 se; based on food items.
Generation time: 13.7 ( na - na) years. Estimated as median ln(3)/K based on 2
growth studies.
جهندگی (Ref.
120179): خیلی آهسته, كمينه زمان لازم براي دو برابر شدن جمعيت بيش از 14 سال (tm=5.2-6.3; Tmax=38; K=0.04-0.07).
Fishing Vulnerability (Ref.
59153): High to very high vulnerability (70 of 100).
Climate Vulnerability (Ref.
125649): High to very high vulnerability (74 of 100).
Nutrients (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);