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Characiformes (Characins) >
Characidae (Characins; tetras) > Stethaprioninae
Etymology: Andromakhe: Named for Áνδρομάχη, Andromakhe (‘battle of men’), a character in Greek mythology, she is the wife of Hector, Prince of Troy, and, in Homer’s epic poem Iliad, the mother of Ἀστυάναξ, Astyanax (‘city protector’)..
Environment: milieu / climate zone / depth range / distribution range
البيئة
; المياه العذبة قاعية التغذية و المعيشة. Subtropical; 32°S - 33°S, 54°W - 55°W
South America: Argentina, Uruguay and Brazil. Argentina, Río de la Plata basin, Buenos Aires, Punta Indio, Arroyo Casilda. Uruguay: Atlantic slope and Laguna Merín. Brazil: Vacacaí, Rio Grande do Sul (Ref. 84088).
الحجم / وزن / العمر
Maturity: Lm ? range ? - ? cm
Max length : 7.8 cm SL ذكر/ مختلط الجنس; (Ref. 94153)
وصف مختصر
مفاتيح التعريف | الوصف الخارجي | قياسات المظهر الخارجي
Astyanax stenohalinus is distinguished from all other Astyanax species by the possession of hooks on all fins of males, teeth not expanded distally, two or three maxillary teeth, 37–39 perforated scales in lateral series, 25–30 branched anal fin rays, and anal-fin origin located before a vertical through last dorsal-fin ray insertions (Ref. 84088)
Life cycle and mating behavior
Maturities | التكاثر | Spawnings | Egg(s) | Fecundities | Larvae
Terán, G.E., M.F. Benitez and J.M. Mirande, 2020. Opening the Trojan house: phylogeny of Astyanax, two genera and resurrection of Psalidodon (Teleostei: Characidae). Zool. J. Lin. Soc. 190(4):1217-1234. (Ref. 123753)
IUCN Red List Status (Ref. 130435)
استخدامات بشرية
أدوات
تقارير خاصة
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مصادر علي الأنترنت
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01413 (0.00671 - 0.02974), b=3.08 (2.91 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
مستوى غذائي (Ref.
69278): 3.1 ±0.4 se; based on size and trophs of closest relatives
المرونه (Ref.
120179): عالي, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع أقل من 15 شهر (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
