Цельноголовые (химеры) (chimaeras) >
Chimaeriformes (Chimaeras) >
Chimaeridae (Shortnose chimaeras or ratfishes)
Etymology: Hydrolagus: hydro-, combining form of hydor (Gr.), water; lagos (Gr.), hare, i.e., “water rabbit,” probably referring to three pairs of tooth plates, which tend to protrude from the mouth like a rabbit’s incisors (See ETYFish); affinis: Latin for related, referring to its similarity to Chimaera monstrosa (See ETYFish).
Окружающая среда: среда / климатическая зона / пределы глубины / диапазон распространения
экология
морской батидемерсальный; пределы глубины 300 - 3000 m (Ref. 117245). Deep-water; 70°N - 58°S, 80°W - 41°E
Northeast Atlantic: Rockall Trough along Ireland, northern Bay of Biscay and off Portugal. Reported from Iceland (Ref. 12462). Southwest Atlantic: Uruguay (Ref. 58839). Northwest Atlantic: Newfoundland in Canada to Cape Cod in USA. Probably has a much wider distribution. Possibly occurring off the Cape in South Africa and off Mozambique (Ref. 11228).
Размер / Вес / Возраст
половая зрелость: Lm ?  range ? - ? cm
Max length : 130 cm TL самец/пол неопределен; (Ref. 4443); 125.0 cm TL (female)
Краткое описание
определительные ключи | морфология | морфометрия
Lacks a separate anal fin. Pectoral fin does not overlap pelvic fin. Short caudal filament. Dark brown in color (Ref. 6902).
Body shape (shape guide): elongated.
Epibenthic (Ref. 58426). Found on continental slopes and down to deep-sea plains. Reported down up to 3000 m along the mid-Atlantic ridge (Ref. 83979, C.Cotton pers.comm. 03/10). Feeds on small fishes and invertebrates (Ref. 6680). Oviparous (Ref. 205). Eggs are encased in horny shells (Ref. 205). It is commercially used as fish meal and to produce high-quality machine oil from the liver (Ref. 117245).
Жизненный цикл и брачное поведение
половая зрелость | размножение | нерест | икра | Плодовитость | личинки
Hardy, G.S. and M. Stehmann, 1990. A new deep-water ghost shark, Hydrolagus pallidus n.sp. (Holocephali, Chimaeridae), from the eastern North Atlantic, and redescription of Hydrolagus affinis (Brito Capello, 1867). Arch. Fisch. Wiss. 40(3):229-248. (Ref. 3330)
Статус Красного Списка МСОП (Ref. 130435: Version 2025-2 (Global))
Угроза для людей
Harmless
Использование человеком
рыболовство: интереса не представляет
дополнительная информация
инструменты
Специальные отчеты
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Оценки, основанные на моделях
Индекс филогенетического разнообразия (ссылка 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00331 (0.00137 - 0.00798), b=3.07 (2.87 - 3.27), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Трофический уровень (ссылка 69278) |
4.3 ±0.41 se; based on food items. |
устойчивость к внешним воздействиям (ссылка 120179) |
низкий, минимальное время удвоения популяции 4.5-14 лет (Assuming Fec <100). |
Уязвимость рыбной ловли (Ref. 59153) |
High to very high vulnerability (75 of 100). 🛈 |
Питательные вещества (Ref. 124155) |
Calcium = 8.44 [2.45, 28.17] mg/100g; Iron = 0.345 [0.115, 0.914] mg/100g; Protein = 16.1 [10.5, 19.1] %; Omega3 = 0.299 [0.107, 0.829] g/100g; Selenium = 23.6 [7.3, 77.0] μg/100g; VitaminA = 5.7 [1.2, 25.5] μg/100g; Zinc = 0.265 [0.133, 0.516] mg/100g (wet weight); based on nutrient studies. |