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Argentiniformes (Marine smelts) >
Opisthoproctidae (Barreleyes or spookfishes)
Etymology: Monacoa: The name constructed by Whitley was without any etymological reason; however, it is likely referring to the state of Monaco, in which the research expedition that sampled the two syntypes originated; niger: Name from Latin 'niger' for 'black'; referring to the black streak of pigmentation present on the sole.
Environment: milieu / climate zone / пределы глубины / distribution range
экология
морской батипелагический; пределы глубины 0 - 520 m (Ref. 111070). Deep-water
распространение
страны | регионы FAO | Ecosystems | места находок | карта точек | интродукции | Faunafri
Eastern Central Pacific: off American Samoa and possibly Australia.
Size / Вес / Возраст
половая зрелость: Lm ? range ? - ? cm
Max length : 4.8 cm SL самец/пол неопределен; (Ref. 111070)
Краткое описание
определительные ключи | морфология | морфометрия
This species is distinguished by having black pigmentation along the entire sole and possibly have a darker or more blackish body color compared to congeners (scale pockets are darker); and the black streak on the sole possibly consists of distinct patches posteriorly . The holotype is slightly damaged on the sole and variation of its pigmentation pattern must be assessed with future fresh material (Ref. 111070).
Body shape (shape guide): short and / or deep; Cross section: other (see remarks).
Life cycle and mating behavior
половая зрелость | размножение | нерест | икра | Fecundity | личинки
Poulsen, J.Y., T. Sado, C. Hahn, I. Byrkjedal, M. Moku and M. Miya, 2016. Preservation obscures pelagic deep-sea fish diversity: doubling the number of sole-bearing opisthoproctids and resurrection of the genus Monacoa (Opisthoproctidae, Argentiniformes). Plos One 11(8):1-23. (Ref. 111070)
Статус Красного Списка МСОП (Ref. 130435: Version 2025-1)
Угроза для людей
Harmless
Использование человеком
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Estimates based on models
Phylogenetic diversity index (ссылка
82804): PD
50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02239 (0.00864 - 0.05802), b=2.98 (2.75 - 3.21), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (ссылка
69278): 3.3 ±0.1 se; based on size and trophs of closest relatives
устойчивость к внешним воздействиям (ссылка
120179): высокий, минимальное время удвоения популяции до 15 месяцев (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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