Myxini (миксины) (hagfishes) >
Myxiniformes (Hagfishes) >
Myxinidae (Hagfishes) > Myxininae
Etymology: Myxine: Ancient Greek word for a slimy fish: myxa, slime; -inus, one who, referring to copious amounts of slime produced by M. glutinosa (See ETYFish); ios: Acronym for Institute of Oceanographic Sciences, Wormley, Surrey, England, which supplied holotype (See ETYFish).
Eponymy: IOS stands for the Institute of Oceanographic Sciences, England, which supplied the type specimen of the hagfish. [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
экология
морской батидемерсальный; немигрирующий; пределы глубины 614 - 1625 m (Ref. 7402). Deep-water; 67°N - 21°N
Eastern Atlantic: southwest off Ireland and Iceland, off Western Sahara.
Size / Вес / Возраст
Maturity: Lm ? range ? - ? cm
Max length : 57.0 cm TL самец/пол неопределен; (Ref. 31276)
Scavengers which are found on muddy bottoms; feed largely on dead or disabled fish by boring into its skin. Eggs are few and large (20-30 mm).
Life cycle and mating behavior
половая зрелость | размножение | нерест | икра | Fecundity | личинки
Copulatory organ absent. The gonads of hagfishes are situated in the peritoneal cavity. The ovary is found in the anterior portion of the gonad, and the testis is found in the posterior part. The animal becomes female if the cranial part of the gonad develops or male if the caudal part undergoes differentiation. If none develops, then the animal becomes sterile. If both anterior and posterior parts develop, then the animal becomes a functional hermaphrodite. However, hermaphroditism being characterised as functional needs to be validated by more reproduction studies (Ref. 51361 ).
Fernholm, B., 1998. Hagfish systematics. p. 33-44. In J.M. Jørgensen, J.P. Lomholt, R.E. Weber and H. Malte (eds.) The biology of hagfishes. Chapman & Hall, London. 578 p. (Ref. 31276)
Статус Красного Списка МСОП (Ref. 130435: Version 2024-1)
Угроза для людей
Harmless
Использование человеком
рыболовство: интереса не представляет
дополнительная информация
инструменты
Специальные отчеты
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ресурсы в Интернет
Estimates based on models
Preferred temperature (Ref.
123201): 3.3 - 8.9, mean 7 °C (based on 91 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00115 (0.00044 - 0.00298), b=3.03 (2.80 - 3.26), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.3 ±0.56 se; based on food items.
устойчивость к внешним воздействиям (Ref.
120179): низкий, минимальное время удвоения популяции 4.5-14 лет (Fec assumed to be <100).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (43 of 100).
