分類 / Names
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Carangiformes (Jacks) >
Carangidae (Jacks and pompanos) > Trachinotinae
Etymology: Trachinotus: Greek, trachys, -eia, -ys = rough + Greek,noton = back (Ref. 45335).
More on author: Cuvier.
Environment: milieu / climate zone / depth range / distribution range
生態学
海 底生の漂泳性; 深さの範囲 0 - 100 m (Ref. 122694). Subtropical; 35°N - 26°S, 121°W - 70°W
Eastern Pacific: Redondo Beach in southern California, USA to Chile, including the Galapagos Islands.
サイズ / 重さ / 年齢
Maturity: Lm ? range ? - ? cm
Max length : 51.0 cm TL オス/雌雄の選別がない; (Ref. 2850); common length : 30.0 cm TL オス/雌雄の選別がない; (Ref. 55763)
Body deep (less so with age) and strongly compressed; mouth small; jaw teeth small, villiform, and only slightly hooked, disappearing with age; lower branch of first gill arch with 8 to 10 gill rakers; dorsal fin with 6 spines followed by another spine and 24 to 27 soft rays (VI+I, 24-27); upper third of body dark; belly white; flanks with golden highlights; no distinctive marks (Ref. 55763).
Adults are found in coastal waters, usually forming schools in shallow inshore sandy areas (Ref. 9283). They feed on mollusks, crustaceans, other invertebrates and small fishes (Ref. 9283). Excellent for human consumption. Minimum depth range based on estimate; to be replaced with a better reference.
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 幼生
Eschmeyer, W.N., E.S. Herald and H. Hammann, 1983. A field guide to Pacific coast fishes of North America. Boston (MA, USA): Houghton Mifflin Company. xii+336 p. (Ref. 2850)
Human uses
水産業: 少数商業の
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): 17.7 - 28.3, mean 23.2 °C (based on 70 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00933 (0.00517 - 0.01686), b=2.90 (2.73 - 3.07), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
栄養段階 (Ref.
69278): 3.7 ±0.55 se; based on food items.
回復力 (Ref.
120179): 手段, １．４年～４．４年の倍増期間の最小個体群 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (40 of 100).
