ການຈັດປະເພດ / ຊື່
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Characiformes (Characins) >
Lebiasinidae (Pencilfishes) > Pyrrhulininae
Etymology: Nannostomus: Latin, nannus = small + Greek, stoma = mouth (Ref. 45335).
ສະພາບແວດລ້ອມ: ສະພາບແວດລ້ອມ / ເຂດດິນຟ້າອາກາດ / ລະດັບຄວາມເລິກ / ຂອບເຂດການແຈກຢາຍ
ນິເວດວິທະຍາ
; ນ້ຳຈືດ ກ່ຽວກັບ (ຢູ່)ເທິງຊັ້ນພື້ນດິນໃນທະເລເປີດ. Tropical
South America: Venezuela.
ຂະໜາດ / ນ້ຳໜັກ / ອາຍຸ
ການຈະເລີນເຕັມໄວ: Lm ? range ? - ? cm
Max length : 3.3 cm SL ຕົວຜູ້/ບໍ່ມີເພດ; (Ref. 94659)
ຄຳອະທິບາຍສັ້ນໆ
ຕົວທີ່ໃຊ້ໃນການຈຳແນກຊະນິດ | ສະລີລະວິທະຍາ | ການວັດແທກຮູບຮ່າງລັກສະນະພາຍນອກຂອງດິນ,ສັດ,ປາ…
This species is similar to Nannostomus trifasciatus Steindachner, 1876 and N. erythrurus (Eigenmann, 1909), but it can be clearly distinguished by the following features of its coloration and pattern: exhibits sexual dichromatism, with males having ruby spots on the dorsal, anal, ventral fins and on the base of the caudal lobes while females having hyaline fins (vs. sexual dischormatism not developed in N. trifasciatus and N. erythrurus, with males and females having red spots on the dorsal, anal and vertral fins and on the base of the caudal lobes); primary horizontal stripe is relatively wide and somewhat lower, covering the lower part of the peduncle and ends on the caudal peduncle or is only a little bit on the caudal fin (vs. narrower, somewhat lower, covering the lower part of the peduncle and extends only onto the base (about 1/5th) of the three first lower caudal rays in N. trifasciatus; narrower and somewhat higher primary horizontal stripe not entirely covering the inferior part of the peduncle and extending onto the basal third or half of the three first lower caudal rays in N. erythrurus); and secondary horizontal stripe is relatively weakly developed, lower situated and extending to the end of the peduncle (vs. strongly developed, lower situated and extends to the end of the caudal peduncle in N. trifasciatus; somewhat higher, extending to the base of the adipose fin in N. erythrurus. N. nigrotaeniatus and N. erythrurus have no red stripe between primary and secondary horizontal band (vs. having one in N. trifasciatus, but this is only visible in living specimens) (Ref. 94659).
Body shape (shape guide): elongated.
ວົງຈອນຊີວິດ ແລະພຶດຕິກໍາການຫາຄູ່
ການຈະເລີນເຕັມໄວ | ການສືບພັນ | ການວາງໄຂ່ | ໄຂ່ | ຄວາມດົກຂອງໄຂ່ປາ | ຕົວອ່ອນ
Zarske, A., 2013. Nannostomus nigrotaeniatus spec. nov. - ein neuer Ziersalmler aus Venezuela (Teleostei: Characiformes: Lebiasinidae). Verteb. Zool. 63(2):125-137. (Ref. 94659)
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=0.00646 (0.00280 - 0.01488), b=3.13 (2.93 - 3.33), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
ຊັ້ນເຂດຮ້ອນ (ເອກະສານອ້າງອີງ
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
ຄວາມສ່ຽງຕໍ່ການຫາປາ (Ref.
59153): Low vulnerability (10 of 100).
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