分類 / Names
共通名の | 類義語 | Catalog of Fishes(部類, 種) | ITIS | CoL | WoRMS | Cloffa
Environment: milieu / climate zone / depth range / distribution range
生態学
海; 深さの範囲 ? - 450 m (Ref. 36731). Tropical
Southeast Atlantic: South Africa and Namibia.
Length at first maturity / サイズ / 重さ / 年齢
Maturity: Lm 9.5 range ? - ? cm
Max length : 17.0 cm SL オス/雌雄の選別がない; (Ref. 36731)
簡単な記述
検索表 | 形態学 | 形態計測学
Diagnosis: It hardly differs from the European anchovy (Engraulis encrasicolus); of other anchovies in southern and eastern African waters, species of Stolephorus have 3 to 7 sharp needle-like scutes along the belly, while species of Thryssa have compressed bodies and a keel of scutes along the belly (Ref. 189).
Pelagic in coastal waters, but down to a depth of about 400 m (Ref. 30573). It feeds on planktonic organisms (Ref. 30573). Larvae and juveniles were observed to be selective, raptorial carnivores and switched to non-selective filter feeding omnivory when adults. Caught with purse seines in South Africa and Namibia (Ref. 80687).
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 幼生
Bianchi, G., K.E. Carpenter, J.-P. Roux, F.J. Molloy, D. Boyer and H.J. Boyer, 1999. FAO species identification guide for fishery purposes. Field guide to the living marine resources of Namibia. FAO, Rome. 265 p. (Ref. 36731)
Human uses
水産業: 商業
用具
特記事項
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インターネットの情報源
Estimates based on models
Preferred temperature (Ref.
123201): 10.2 - 16.7, mean 13.7 °C (based on 40 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5020 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00457 (0.00213 - 0.00980), b=3.12 (2.95 - 3.29), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
栄養段階 (Ref.
69278): 3.0 ±0.1 se; based on size and trophs of closest relatives
Generation time: 1.2 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
回復力 (Ref.
120179): 高い, １５か月以下の倍増期間の最小個体群 (Preliminary K or Fecundity.).
Prior r = 0.42, 95% CL = 0.28 - 0.64, Based on 2 full stock assessments.
Fishing Vulnerability (Ref.
59153): Low vulnerability (11 of 100).
Climate Vulnerability (Ref.
125649): Low to moderate vulnerability (26 of 100).
Nutrients (Ref.
124155): Calcium = 347 [143, 896] mg/100g; Iron = 1.54 [0.71, 3.72] mg/100g; Protein = 17.9 [16.6, 19.3] %; Omega3 = 0.625 [0.326, 1.241] g/100g; Selenium = 50.5 [20.5, 129.2] μg/100g; VitaminA = 19.5 [4.1, 89.8] μg/100g; Zinc = 1.66 [0.99, 2.78] mg/100g (wet weight);
