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Characiformes (Characins) >
Anostomidae (Headstanders)
Etymology: Schizodon: Greek, schizein = to divide + Greek, odous = teeth (Ref. 45335); unimaculatus: Name 'unimaculatus' from Latin words 'uni' and 'maculatus', meaning 'single' and 'blotted', in reference to the dark brown blotch over caudal peduncle of the new species.
Environment: milieu / climate zone / kisaran kedalaman / distribution range
Ekologi
; air tawar bentopelagis. Tropical
South America: Brazil.
Size / Weight / umur
Kematangan: Lm ? range ? - ? cm
Max length : 33.5 cm SL jantan/; (Ref. 133455)
deskripsi pendek
Kunci identifiaksi (pengenalan) | Morfologi | Morfometrik
duri punggung lunak (Keseluruhan (total)) : 10; Sirip dubur lunak: 8. This species is distinguished from its congeners by the following set of characters: presence of a single conspicuous dark blotch on the caudal peduncle, a longitudinal dark stripe along the midlateral surface of the body, three horizontally aligned brown blotches forming interrupted dorsolateral lines; longitudinal stripe absent; subinferior mouth; 16 circumpeduncular scales; aligned brown blotches over the trunk present; elongated inconspicuous light-brown stripe on lateral line combined with a dark brown blotch on caudal peduncle; 32-34 preanal scales (Ref. 133455).
Cross section: compressed.
Life cycle and mating behavior
Kematangan | Reproduksi, perkembang biakan | Pemijahan | telur-telur | Fecundity | Larva
Garavello, J.C., H.A. Britski, A.K. Oliveira and B.F. Melo, 2024. Schizodon unimaculatus, a new species from the lower Rio São Francisco with
a reappraisal of the Schizodon species presenting a caudal-peduncle blotch
(Teleostei: Anostomidae). Zootaxa 5537(2):245-258. (Ref. 133455)
Status IUCN Red List (Ref. 130435: Version 2025-1)
ancaman kepada manusia
Harmless
penggunaan manusia
Perikanan: tidak ada kepentingan
Alat, peralatan
laporan khas
muat turun XML
Sumber internet
Estimates based on models
Phylogenetic diversity index (Acuan
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Trophic level (Acuan
69278): 2.4 ±0.2 se; based on size and trophs of closest relatives
Daya lenting (Acuan
120179): sedang, Waktu penggandaan populasi minimum 1.4 - 4.4 tahun (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (31 of 100).
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