個人による観察記録の追加 Fish Watcher
| Native range | All suitable habitat | Point map | Year 2050 |
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| This map was computer-generated and has not yet been reviewed. |
| Hypomesus pretiosus AquaMaps Data sources: GBIF OBIS |
分類 / 名前 共通名の | 類義語 | Catalog of Fishes(部類, 種) | ITIS | CoL | WoRMS | Cloffa
> Osmeriformes (Freshwater smelts) > Osmeridae (Smelts)
Etymology: Hypomesus: Greek, hypo = under + Greek,mesos = a half (Ref. 45335).
More on author: Girard.
Etymology: Hypomesus: Greek, hypo = under + Greek,mesos = a half (Ref. 45335).
More on author: Girard.
環境：環境 / 気候帯 / 深さの範囲 / 分布範囲 生態学
海; 汽水性の 底生の漂泳性; diadromous (Ref. 138280). Temperate; 61°N - 33°N, 163°W - 117°W
分布 領土 | 国連食糧農業機関の区域 | エコシステム | 事件 | 目的のマップ | 導入 | Faunafri
Eastern Pacific: Prince William Sound, Gulf of Alaska to Long Beach, southern California, USA. Reports from the western Pacific are misidentifications of Hypomesus japonicus.
初回成熟時の長さ / サイズ / 重さ / 年齢
成熟: Lm ?, range 9 - ? cm
Max length : 30.5 cm TL オス/雌雄の選別がない; (Ref. 6885); common length : 15.0 cm TL オス/雌雄の選別がない; (Ref. 12193); 最大記録サイズ: 5 年 (Ref. 72502)
Max length : 30.5 cm TL オス/雌雄の選別がない; (Ref. 6885); common length : 15.0 cm TL オス/雌雄の選別がない; (Ref. 12193); 最大記録サイズ: 5 年 (Ref. 72502)
簡単な記述 検索表 | 形態学 | 形態計測学
背面の脊椎 (合計) : 0; 背鰭 (合計) : 9 - 11; 肛門の骨: 0; 臀鰭: 12 - 17; 脊つい: 64 - 67. Vomer small, without posterior process; periphery of glossohyal bone with single row of blunt teeth, a few teeth located irregularly at center of distal region; base of adipose fin less than 20% of head length; eye small; adipose eyelid well developed (Ref. 33312). Distinguished by its midlateral scale count of 66 to 73 and the presence of 4 to 7 pyloric caeca (Ref. 27547). Lateral line short and incomplete, reaching about to tip of pectorals (Ref. 27547). Adipose sickle-shaped; pectorals small; pelvic fins originating behind or below dorsal origin (Ref. 6885). Light olive green to brownish on back, sides and belly silvery and iridescent with a bright reflecting band along the side in living specimens; males show more golden hues than females during spawning season (Ref. 6885). Branchiostegal rays: 7-8 (Ref. 35792).
Body shape (shape guide): elongated.
Body shape (shape guide): elongated.
Individuals 3.5 cm may ascend rivers, presumably returning to the sea shortly after (Ref. 27547). Presumably young move offshore and reappear inshore as mature adults (Ref. 27547). At sea, they feed on small crustaceans, worms and jellyfish, as well as larval fishes (Ref. 6885, 10276). Females reach age 3, males age 2 (Ref. 27547). Oviparous, with demersal eggs and planktonic larvae (Ref. 35792). Eggs are laid on beaches with heavy surf action (Ref. 33312).
ライフサイクルと交尾行動 成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Schools approach the beach to spawn, usually with the females appearing a few days before the males. At spawning, large numbers of males mill about near the edge of the surf. When a female is seen, numbers of males pursue her and try to get into spawning position. If she swims to deeper water, the males desert her. 1 to 5 males swim parallel to and slightly behind a ripe female. The males press against the female and as they reach water 2.5 to 5 cm deep, the fish bend and vibrate, releasing eggs and sperm, then retreat to deeper water. The spawning act may be repeated on several successive waves. Wave action buries the eggs, usually to a depth of 2.5 to10 cm but sometimes to as deep as 30 cm (Ref. 27547).
主な参考文献
参考文献のアップロード | 参考文献 | コーディネーター | 協力者
Saruwatari, T., J.A. López and T.W. Pietsch, 1997. A revision of the ormerid genus Hypomesus Gill (Teleostei: Salmoniformes), with a description of a new species from the southern Kuril Islands. Species Diversity 2:59-82. (Ref. 33312)
CITES
Not Evaluated
人間に対する脅威
Harmless
人間の用途
水産業: 商業; ゲームフィッシュ: はい
FAO - 水産業: 着陸; Publication: search | FishSource | 私達の周りの海
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インターネットの情報源
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モデルに基づく推定値
好ましい温度 (参照 123201): 7.5 - 11.8, mean 8.6 °C (based on 58 cells).
系統多様性指数 (参照 82804): PD50 = 0.5313 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00363 (0.00177 - 0.00744), b=3.17 (2.99 - 3.35), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
栄養段階 (参照 69278): 3.4 ±0.41 se; based on food items.
回復力 (参照 120179): 手段, １．４年～４．４年の倍増期間の最小個体群 (tm=1-2; tmax=5; Fec=1,320).
栄養素 (Ref. 124155): Calcium = 54.4 [24.8, 135.3] mg/100g; Iron = 0.415 [0.193, 1.044] mg/100g; Protein = 16.9 [13.6, 19.8] %; Omega3 = 0.633 [0.287, 1.428] g/100g; Selenium = 12.8 [5.8, 26.6] μg/100g; VitaminA = 29.8 [11.0, 84.9] μg/100g; Zinc = 0.771 [0.517, 1.176] mg/100g (wet weight); based on nutrient studies.