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Characiformes (Characins) >
Acestrorhamphidae (American tetras) > Hyphessobryconinae
Etymology: Hyphessobrycon: Greek, hyphesson, -on, -on = a little smaller + Greek, bryko = to bite (Ref. 45335).
More on author: Ahl.
Issue
See Géry (1980) for a redescription, and Burt et al. (1988) for comments on the reproduction.
Environment: milieu / climate zone / пределы глубины / distribution range
экология
; пресноводный донно-пелагический; pH range: 5.5 - 8.0; dH range: ? - 25. Tropical; 23°C - 28°C (Ref. 1672)
South America: Tapajós River basin.
Size / Вес / Возраст
половая зрелость: Lm ? range ? - ? cm
Max length : 3.8 cm SL самец/пол неопределен; (Ref. 40342); 3.6 cm SL (female); наибольший вес (опубликованные данные): 1.36 g (Ref. 40342); наибольший вес (опубликованные данные): 1.36 g
Feeds on worms, crustaceans and plant matter (Ref. 7020). Aquarium keeping: in groups of 5 or more individuals; minimum aquarium size 60 cm (Ref. 51539).
Life cycle and mating behavior
половая зрелость | размножение | нерест | икра | Fecundity | личинки
Based on aquarium observations, males defend territories during the morning spawning period while females school, periodically entering a male's territory individually to spawn (Ref. 40342). After a brief courtship, there is a short spawning rush near some suitable substrate such as clumps of aquatic plants (Ref. 40342). There is no parental care, males leaving their territory after the spawning period to school with the females (Ref. 40342).
Produces many batches of eggs per season and releases each of these batches over many spawning acts (Ref. 40342). Aquarium observations suggest that this species reproduces continuously after reaching maturity (Ref. 40342).
Burt, A., D.L. Kramer, K. Nakatsuru and C. Spry, 1988. The tempo of reproduction in Hyphessobrycon pulchripinnis (Characidae), with a discussion on the biology of 'multiple spawning' in fishes. Environ. Biol. Fishes 22(1):15-27. (Ref. 40342)
Статус Красного Списка МСОП (Ref. 130435: Version 2025-1)
Угроза для людей
Harmless
Использование человеком
рыболовство: важный объект промысла; аквариум: важный объект промысла
дополнительная информация
инструменты
Специальные отчеты
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ресурсы в Интернет
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=0.01047 (0.00544 - 0.02015), b=3.07 (2.91 - 3.23), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
Trophic level (ссылка
69278): 2.9 ±0.31 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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