ການຈັດປະເພດ / ຊື່
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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); yariguies: Refers to the Yariguíes, the indigenous group that inhabited an area that includes the watershed of Río Cascajales. They fiercely defended their pristine territory for more than 400 years, which likely contributed to the preservation of the species described here. The Yariguíes finally succumbed to invasion and extermination in the mid-20th century. A noun in apposition.
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. (Ref. 128868), visit book page.
ສະພາບແວດລ້ອມ: ສະພາບແວດລ້ອມ / ເຂດດິນຟ້າອາກາດ / ລະດັບຄວາມເລິກ / ຂອບເຂດການແຈກຢາຍ
ນິເວດວິທະຍາ
; ນ້ຳຈືດ ກ່ຽວກັບ (ຢູ່)ເທິງຊັ້ນພື້ນດິນໃນທະເລເປີດ. Tropical
South America: tributaries of the Río Cascajales, in Río La Colorada basin, Río
Magdalena system in Colombia.
ຂະໜາດ / ນ້ຳໜັກ / ອາຍຸ
ການຈະເລີນເຕັມໄວ: Lm ? range ? - ? cm
Max length : 7.7 cm SL ຕົວຜູ້/ບໍ່ມີເພດ; (Ref. 91755)
ຄຳອະທິບາຍສັ້ນໆ
ຕົວທີ່ໃຊ້ໃນການຈຳແນກຊະນິດ | ສະລີລະວິທະຍາ | ການວັດແທກຮູບຮ່າງລັກສະນະພາຍນອກຂອງດິນ,ສັດ,ປາ…
ຄີຫຼັງຂອງປາ (ຄີອ່ອນ) (ທັງໝົດ) : 10 - 11; ຄີກົ້ນຂອງປາ: 31 - 33; ສັດທີ່ມີກະດູກສັນຫຼັງ: 35 - 37. Distinguished from other congeners by having the following characters: predorsal scale series regular with 13 scales; maxilla with six teeth; nine scale rows between dorsal-fin origin and lateral line; and snout length 14.9-25.3 % of head length. Can be separated easily from other characins (except for Astyanacinus orthodus) by its coloration pattern consisting of two humeral spots, midlateral stripe formed by anteriorly oriented chevron bars, and horizontally oriented oval-shaped caudal spot that continues over median caudal rays and never reaches a vertical through the last anal-fin ray base. Differs also from species of Astyanax by the combination of 6 teeth in maxilla, 13 scales in a regular predorsal series, 36-39 lateral line scales, 9 scale rows above and 7 scale rows below the lateral line, ii-iii 28-30 anal fin rays, and a maximum body depth 35.4-43.2% of SL (Ref. 91755).
Description:
ວົງຈອນຊີວິດ ແລະພຶດຕິກໍາການຫາຄູ່
ການຈະເລີນເຕັມໄວ | ການສືບພັນ | ການວາງໄຂ່ | ໄຂ່ | ຄວາມດົກຂອງໄຂ່ປາ | ຕົວອ່ອນ
Torres-Mejia, M., E. Hernández and V. Senechal, 2012. A new species of Astyanacinus (Characiformes: Characidae) from the Río Magdalena System, Colombia. Copeia 2012(3):501-506. (Ref. 91755)
ສະຖານະພາບບັນຊີແດງຂອງ IUCN (Ref. 130435: Version 2025-2 (Global))
ໄພຂົ່ມຂູ່ຕໍ່ມະນຸດ
Harmless
ການນໍາໃຊ້ຂອງມະນຸດ
ເຄື່ອງມື
ບົດລາຍງານພິເສດ
ດາວໂຫລດ XML
ແຫຼ່ງອີນເຕີເນັດ
ການຄາດຄະເນໂດຍອີງໃສ່ແບບຈໍາລອງ
ດັດຊະນີຄວາມຫຼາກຫຼາຍທາງຊີວະພາບ (ເອກະສານອ້າງອີງ
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01047 (0.00452 - 0.02424), b=3.11 (2.93 - 3.29), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
ຊັ້ນເຂດຮ້ອນ (ເອກະສານອ້າງອີງ
69278): 2.9 ±0.4 se; based on size and trophs of closest relatives
ຄວາມຢືດຢຸ່ນ (ເອກະສານອ້າງອີງ
120179): ສູງ, ປະຊາກອນຕຳ່ສຸດທີ່ໃຊ້ເວລາສອງໜ້ອຍກວ່າ 15 ເດືອນ (Preliminary K or Fecundity.).
ຄວາມສ່ຽງຕໍ່ການຫາປາ (Ref.
59153): Low vulnerability (10 of 100).
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