Classification / Names
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Characiformes (Characins) >
Characidae (Characins; tetras) > Stethaprioninae
Etymology: Hemigrammus: Greek, hemi = half + Greek, gramma = letter, signal (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Écologie
; eau douce benthopélagique. Tropical
South America: Rio Araguaya basin in Brazil.
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Max length : 3.6 cm SL mâle / non sexé; (Ref. 87321)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Can be diagnosed from its closely related species Hemigrammus taphorni by the following characters: absence of humeral spot (vs. presence); a longitudinal band in the caudal region of the body and absence of caudal spot (vs. presence of caudal spot); 32-35 scales on lateral line (vs. 30-32) (Ref. 87321).
Life cycle and mating behavior
Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larves
Zarske, A., 2011. Hemigrammus filamentosus spec. nov. - der Südamerikanische Fadensalmler, ein neuer Salmler (Teleostei: Characiformes: Characidae) aus dem Araguaya-Becken in Brasilien. Vertebr. Zool. 61(1):3-12. (Ref. 87321)
Statut dans la liste rouge de l'IUCN (Ref. 130435)
Menace pour l'homme
Harmless
Utilisations par l'homme
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Sources Internet
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01202 (0.00548 - 0.02637), b=3.08 (2.90 - 3.26), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Niveau trophique (Ref.
69278): 3.0 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).