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Characiformes (Characins) >
Hemiodontidae (Halftooths)
Etymology: Hemiodus: Greek, hemi = half + Greek, odous = teeth (Ref. 45335).
Eponymy: Max Stern (1898–1982) and his brother, Gustav, emigrated from Germany to the USA (1926), taking with them 5,000 singing canaries (Harz Roller or Miner’s Canary). [...] (Ref. 128868), visit book page.
More on author: Géry.
Issue
See Géry (1964: 70, 72, and 74) for description, key and comparison with other species.
Environment: milieu / climate zone / distribuzione batimetrica / distribution range
Ecologia
; acqua dolce benthopelagico; pH range: 5.8 - 7.0; dH range: ? - 12. Subtropical; 22°C - 26°C (Ref. 2060)
South America: upper Juruena River basin, in Tapajós River drainage, Brazil.
Size / Peso / Age
Maturità: Lm ?  range ? - ? cm
Max length : 7.9 cm SL maschio/sesso non determinato; (Ref. 38289)
Life cycle and mating behavior
Maturità | Riproduzione | Deposizione | Uova | Fecundity | Larve
Distinct pairing (Ref. 205).
Langeani, F., 1999. New species of Hemiodus (Ostariophysi, Characiformes, Hemiodontidae) from the Rio Tocantins, Brazil, with comments on color patterns and tooth shapes within the species and genus. Copeia 1999(3):718-722. (Ref. 31397)
IUCN Red List Status (Ref. 130435: Version 2025-1)
Threat to humans
Harmless
Human uses
Strumenti
Special reports
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Fonti Internet
Estimates based on models
Phylogenetic diversity index (Fonte Biblio.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01122 (0.00360 - 0.03499), b=2.93 (2.68 - 3.18), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Fonte Biblio.
69278): 2.8 ±0.3 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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