Common names from other countries
التصنيف / Names
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Characiformes (Characins) >
Characidae (Characins; tetras) > Stethaprioninae
Etymology: Astyanax: The name of Astyanax, Hector´s son in the Greek mythology (Ref. 45335); boliviensis: Named for the country where the type series was collected, Bolivia..
Environment: milieu / climate zone / depth range / distribution range
البيئة
; المياه العذبة قاعية التغذية و المعيشة. Tropical
South America: Upper Amazon River Basin of Bolivia and Peru.
الحجم / وزن / العمر
Maturity: Lm ? range ? - ? cm
Max length : 9.0 cm SL ذكر/ مختلط الجنس; (Ref. 119406)
وصف مختصر
مفاتيح التعريف | الوصف الخارجي | قياسات المظهر الخارجي
الأشعة الظهرية الناعمة (المجموع) : 9. This species which is a member of the orthodus species-group of Astyanax differs from other species of the group in having lines extending from the tips of the chevrons on both the anterior and posterior extremes (proximal and distal sections of chevron extensions), forming etensions between the chevrons (vs. chevrons without lines extending from their tips), except A. moorii which is distinguished by the number of lateral-line scales 39-42 (vs. 44–50); also differs from A. moorii in the upper jaw length > 34% HL (vs. < 47% HL); further differs from A. villwocki by the absence of a dark stripe on the sides of the body (vs. with dark lateral stripe or anterior prolongation of the caudal peduncle spot extending over the silvery lateral stripe); differs from orthodus, embera, yariguies in having a distinct rhomboidal caudal-peduncle spot with a short, anterior, prolongation that does not surpass a vertical through the anal-fin origin (vs. spot on caudal peduncle a short polygon shape not surpassing the posterior tip of the anal fin in orthodus, embera and spot on caudal peduncle elongated as a stripe, continuing anteriorly to humeral region in A. villwocki; differs from A. bopiensis in having , 4 teeth extending over less than one third of the maxillary (vs. > 5 teeth extending over more than two thirds of the maxillary) (Ref. 119406).
Life cycle and mating behavior
Maturities | التكاثر | Spawnings | Egg(s) | Fecundities | Larvae
Ruiz-C., R.I., C. Román-Valencia, D.C. Taphorn, P.A. Buckup and H. Ortega, 2018. Revision of the Astyanax orthodus species-group (Teleostei: Characidae) with descriptions of three new species. European Journal of Taxonomy 402:1-45. (Ref. 119406)
IUCN Red List Status (Ref. 130435)
CITES (Ref. 128078)
Not Evaluated
استخدامات بشرية
أدوات
تقارير خاصة
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مصادر علي الأنترنت
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = No PD50 data [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01738 (0.00782 - 0.03863), b=3.06 (2.89 - 3.23), in cm Total Length, based on LWR estimates for this Genus-body shape (Ref.
93245).
مستوى غذائي (Ref.
69278): 2.9 ±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).
