ການຈັດປະເພດ / ຊື່
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Characiformes (Characins) >
Acestrorhamphidae (American tetras) > Stichonodontinae
Etymology: Nematocharax: Greek, nemas, -atos = filament + Greek, charax = a marine fish without identification (Ref. 45335); costai: Named for Wilson Costa, notably known for his great contribution in Ichthyology and for his main role in planning the expedition and first to recognize the new species in the field.
Eponymy: Dr Wilson Jose Eduardo Moreira da Costa is a Brazilian biologist and ichthyologist. [...] (Ref. 128868), visit book page.
ສະພາບແວດລ້ອມ: ສະພາບແວດລ້ອມ / ເຂດດິນຟ້າອາກາດ / ລະດັບຄວາມເລິກ / ຂອບເຂດການແຈກຢາຍ
ນິເວດວິທະຍາ
; ນ້ຳຈືດ ກ່ຽວກັບ (ຢູ່)ເທິງຊັ້ນພື້ນດິນໃນທະເລເປີດ. Tropical
South America: Cambiriba Stream, Balneário Guaíra, middle Contas River basin in northeastern Brazil.
ຂະໜາດ / ນ້ຳໜັກ / ອາຍຸ
ການຈະເລີນເຕັມໄວ: Lm ?  range ? - ? cm
Max length : 5.0 cm SL ຕົວຜູ້/ບໍ່ມີເພດ; (Ref. 93323)
ຄຳອະທິບາຍສັ້ນໆ
ຕົວທີ່ໃຊ້ໃນການຈຳແນກຊະນິດ | ສະລີລະວິທະຍາ | ການວັດແທກຮູບຮ່າງລັກສະນະພາຍນອກຂອງດິນ,ສັດ,ປາ…
ສັດທີ່ມີກະດູກສັນຫຼັງ: 33. Distinguished by having the following unique combination of characters: dorsal, anal and pelvic fins with elongated branched rays; two rows of premaxillary teeth in adults, and an almost complete row of teeth along the free ventral maxillary border. Differs from its unique congener, Nematocharax venustus, by having the following characters: absence of hooks or spinules on dorsal and pelvic-fins (vs. presence); five anal-fin rays with spinules (vs. more than seven rays); presence of a long dark pink horizontal mark on the caudal peduncle (vs. absence); five supraneurals (vs. four or fewer); pelvic-fin filament yellow (vs. pale rosy) (Ref. 93323).
Body shape (shape guide): short and / or deep.
Occurs in sandy bottom fast running water stream, with about 7 m width, 1 m depth and pale brown and turbid water. Found under marginal vegetation (Ref. 93323).
ວົງຈອນຊີວິດ ແລະພຶດຕິກໍາການຫາຄູ່
ການຈະເລີນເຕັມໄວ | ການສືບພັນ | ການວາງໄຂ່ | ໄຂ່ | ຄວາມດົກຂອງໄຂ່ປາ | ຕົວອ່ອນ
Bragança, P.H.N., M.A. Barbosa and J.L. Mattos, 2013. A new Nematocharax species from the middle Contas River basin, northeastern Brazil (Characiformes: Characidae). Verteb. Zool. 63(1):3-8. (Ref. 93323)
ສະຖານະພາບບັນຊີແດງຂອງ IUCN (Ref. 130435: Version 2025-2 (Global))
ໄພຂົ່ມຂູ່ຕໍ່ມະນຸດ
Harmless
ການນໍາໃຊ້ຂອງມະນຸດ
ເຄື່ອງມື
ບົດລາຍງານພິເສດ
ດາວໂຫລດ XML
ແຫຼ່ງອີນເຕີເນັດ
ການຄາດຄະເນໂດຍອີງໃສ່ແບບຈໍາລອງ
ດັດຊະນີຄວາມຫຼາກຫຼາຍທາງຊີວະພາບ (ເອກະສານອ້າງອີງ 82804) |
PD50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01479 (0.00594 - 0.03681), b=3.00 (2.78 - 3.22), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
ຊັ້ນເຂດຮ້ອນ (ເອກະສານອ້າງອີງ 69278) |
3.3 ±0.5 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 (11 of 100). 🛈 |