Классификация / Names
народные названия | синонимы | Catalog of Fishes(род, виды) | ITIS | CoL | WoRMS | Cloffa
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Characiformes (Characins) >
Acestrorhamphidae (American tetras) > Acestrorhamphinae
Etymology: Astyanax: The name of Astyanax, Hector´s son in the Greek mythology (Ref. 45335).
Eponymy: Astyanax was the son of Hector in Greek mythology. See Homer’s Iliad for details. The reasoning for its use for a genus of characins is not explained. Dr John Francis Bransford (1846–1911) was an assistant US naval surgeon (1872–1890) on the Nicaragua and Panama Canal surveys (1872–1888). [...] (Ref. 128868), visit book page.
More on author: Gill.
Issue
See Rosen (1972) for relationships of species.
Environment: milieu / climate zone / пределы глубины / distribution range
экология
; пресноводный донно-пелагический. Tropical; 23°C - 36°C (Ref. 36880)
Central America: Nicaragua Lake and Managua Lake basins.
Size / Вес / Возраст
половая зрелость: Lm ? range ? - ? cm
Max length : 15.0 cm SL самец/пол неопределен; (Ref. 38376)
Inhabits rivers and streams of little to moderate velocity, occurring between 5 to 530 m elevation. Predator in lakes and rivers. Feeds principally on other fishes such as tetras, poeciliids and cichlids, but also consumes terrestrial and aquatic insects to a lesser degree (Ref. 36880).
Life cycle and mating behavior
половая зрелость | размножение | нерест | икра | Fecundity | личинки
Schmitter-Soto, J.J., 2017. A revision of Astyanax (Characiformes: Characidae) in Central and North America, with the description of nine new species. J. Nat. Hist. 51(23/24):1-94. (Ref. 118583)
Статус Красного Списка МСОП (Ref. 130435: Version 2025-1)
Угроза для людей
Harmless
Использование человеком
дополнительная информация
инструменты
Специальные отчеты
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Estimates based on models
Phylogenetic diversity index (ссылка
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01096 (0.00493 - 0.02437), b=3.10 (2.93 - 3.27), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Trophic level (ссылка
69278): 3.8 ±0.60 se; based on food items.
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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