Acipenser oxyrinchus  Mitchill, 1815

Atlantic sturgeon
Добавить Ваши наблюдения в Fish Watcher
Загрузить свой Фото и Видео
Pictures | Stamps, Coins Misc. | Изображение на Google

Классификация / Names народные названия | синонимы | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

лучеперые рыбы > Acipenseriformes (Sturgeons and paddlefishes) > Acipenseridae (Sturgeons) > Acipenserinae
Etymology: Acipenser: Latin, acipenser = sturgeon, 1853 (Ref. 45335).   More on author: Mitchill.

окружающая среда / климат / Range экология

; морской; пресноводный; солоноватоводный демерсальный; анадромный (Ref. 51243); пределы глубины 1 - 46 m (Ref. 4639).   Subtropical; 56°N - 10°S, 102°W - 33°W (Ref. 54265)

распространение страны | регионы FAO | Ecosystems | места находок | Point map | интродукции | Faunafri

Western Atlantic: Hamilton River, Labrador, Newfoundland, Canada to northeastern Florida, USA. Occurs occasionally in Bermuda and French Guiana (Ref. 7251). Northern Gulf of Mexico (Ref. 26938). In Europe: Baltic Sea. Landlocked populations in Lakes Ladoga and Onega (Russia), both now extirpated. Occasionally recorded from Great Britain and North Sea in Elbe drainage (Ref. 59043). Recent research revealed that this species existed in the Baltic Sea, but is now extirpated (Ref. 83384, 83385). Near threatened globally, but extirpated in Europe (Ref. 59043). International trade restricted (CITES II, since 28.6.79).

Length at first maturity / Size / Вес / Возраст

Maturity: Lm 190.0, range 183 - 243.8 cm
Max length : 403 cm TL самец/пол неопределен; (Ref. 26938); 430.0 cm TL (female); common length :250 cm TL (female); наибольший вес (опубликованные данные): 0.00 g; наибольший возраст (опубликованны данные): 60 годы (Ref. 39404)

Краткое описание морфология | морфометрия

колючие лучи спинного плавника (общее число): 0; членистые (мягкие) лучи спинного плавника (общее число): 30-46; колючие лучи анального плавника 0; членистые (мягкие) лучи анального плавника: 22 - 32. Elongate fish, pentagonal in cross section and shark-like fins (Ref. 26938). Double row of pre anal shields. Presence of a soft fontanelle. Bony shields are oval. Carina on dorsal shields do not have a conspicuous hook. Head and back bluish-black and lower surface whitish (Ref. 37032). Snout long, sharply V-shaped. 2 pairs of short, slender barbels in transverse line midway between end of snout and anterior edge of mouth (Ref. 4639). Viscera pale (Ref. 7251). Presence of 4 small scutes, usually as 2 pairs between anal fin and caudal fulcrum (Ref. 86798).

биология     глоссарий (например epibenthic)

Anadromous species. Occurs solitarily or in small groups; inhabits shallow waters of continental shelves. At the sea, it occurs in coastal and estuarine areas on soft bottom (Ref. 59043) down to a depth of 50 m (Ref. 89115). Adults are highly migratory while at sea (Ref. 57533) and make long migrations along the coast (Ref. 59043). Feeds on benthhic invertebrates such as mollusks, crustaceans and aquitic insects from the sediments (Ref. 93252). They forage mainly in brackish waters (Ref. 59043). Ascend large rivers to spawn (Ref. 59043). Juveniles may remain in fresh or brackish water until 2-5 years of age or 76-91.5 cm long (Ref. 4639, 59043). Today most individuals do not exceed 250 cm length. Tagging studies have shown that this species may move distances up to 1,450 km (Ref. 89119). Used smoked and fresh (Ref. 37032). Near threatened globally, but extirpated in Europe due to massive overfishing, damming, river regulation and pollution (Ref. 59043).

Life cycle and mating behavior половая зрелость | размножение | нерест | икра | Fecundity | личинки

Matures at increasing ages with increasing latitude (Ref. 88171). Both sexes do not spawn yearly and spawning intervals may vary according to area. In the St. Lawrence River, males spawn every 1-5 years, females every 3-5 years (Ref. 89103). Adults from the sea begin to ascend the lower reaches of large rivers in spring with the majority ascending immediately prior to spawning. Spawning occurs between March and August (Ref. 59043), when water temperature is 13.3-17.8 °C (Ref. 89118). Spawning occurs over bedrock, boulders or gravel bottoms, in depths exceeding 10 m at current velocities of 0.5-0.8 m/s (Ref. 59043, 89103). Exact time of spawning depends on temperature (Ref. 26938). Per female 0.4-8 million eggs may be spawned (Ref. 45706, 84845, 89137). Eggs demersal, sticking to stones, measuring 2.55 mm in diameter and hatching in 1 week at 17.8 °C (Ref. 4639, 9980). Adults return to the sea after spawning (Ref. 59043). Sturgeons in general have a high capacity for hybridization and most species are able to cross-breed (Ref. 89103, 89117).

Основная ссылка Upload your references | ссылки | координатор | соавторы

Page, L.M. and B.M. Burr, 1991. A field guide to freshwater fishes of North America north of Mexico. Houghton Mifflin Company, Boston. 432 p. (Ref. 5723)

Статус Красного Списка МСОП (Ref. 115185)

CITES (Ref. 115941)

CMS (Ref. 116361)

Not Evaluated

Угроза для людей

  Harmless




Использование человеком

рыболовство: коммерческий
FAO(рыболовство: Видовой профиль; publication : search) | FishSource |

дополнительная информация

Возраст/Размеры
рост
Зависимость между длиной и массой тела
Зависимость между длинами
Размерный состав
морфометрия
морфология
личинки
динамика численности личинок
пополнение
численность
ссылки
аквакультура (рыбоводство)
особенности рыбоводства
степень растяжения
генетика
частоты аллелей
наследуемость
болезни
обработка
Mass conversion
соавторы
изображения
Stamps, Coins Misc.
звуки
Ciguatera
скорость
тип плавания
жаберная область
Otoliths
мозг
зрение

инструменты

Специальные отчеты

Скачать в формате XML

ресурсы в Интернет

Estimates of some properties based on models

Preferred temperature (Ref. 115969): 4.3 - 24.4, mean 17.3 (based on 268 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Trophic Level (Ref. 69278):  3.4   ±0.50 se; Based on food items.
устойчивость к внешним воздействиям (Ref. 69278):  очень низкий, минимальное время удвоения популяции более 14 лет (K=0.03; tm=7-34; tmax=60; Fec=1.03 million).
Prior r = 0.16, 2 SD range = 0.06 - 0.45, log(r) = -1.83, SD log(r) = 0.5, Based on: 3 K, 18 tgen, 1 tmax, 2 Fec records
Уязвимость (Ref. 59153):  Very high vulnerability (85 of 100) .
Категория цены (Ref. 80766):   Unknown.