Classification / Names
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Characiformes (Characins) >
Characidae (Characins; tetras) > Characinae
Etymology: Amazonichthys: Name from the Greek 'Amazon' (a race of warrior women) and 'ichthys' for fishes; referring to the indigenous Icamiabas that battled against Spanish troops led by Francisco Orellana in 1542 (who led an aggressive expedition into the Amazon region). The Icamiabas resembled the Amazons from Greek mythology, fighting with bows and arrows and forbidding the presence
of men inside their tribe (Medina, 1894)..
More on author: Géry.
Environment: milieu / climate zone / depth range / distribution range
Ecologia
; acqua dolce benthopelagico. Tropical
South America: Brazil.
Size / Peso / Age
Maturity: Lm ? range ? - ? cm
Max length : 2.5 cm SL maschio/sesso non determinato; (Ref. 130247)
Short description
Morfologia | Morfometria
This species is distinguished from A. camelierae by having the anterior midlateral stripe reaching dorsal-fin region (vs. stripe reaching caudal peduncle blotch), second unbranched dorsal-fin ray hyaline (vs. proximal half of second unbranched dorsal-fin ray densely pigmented), caudal peduncle blotch triangular (vs. roundish), lateral line incomplete (vs. complete), longitudinal scales 31-33 (vs. 37-39), ventral margin of third infraorbital bone usually reaching anterodorsal margin of preopercle (vs. surpassing that point), and precaudal vertebrae 12 (vs. 13); differs from A. lu distinguished by the dense concentration of dark brown chromatophores over the first unbranched dorsal and all unbranched anal-fin rays (vs. dorsal and anal unbranched fin rays are poorly pigmented), with two symmetrical conspicuous small dark blotches at the base of the caudal-fin rays (vs. usually absent, very diffuse when present), pectoral-fin rays i9-10 (vs. i8), and with just one unilateral hook at the medial region of each ray segment (vs. one to two (Ref. 130247).
Life cycle and mating behavior
Maturità | Riproduzione | Deposizione | Uova | Fecundity | Larve
Esguícero, A.L.H. and M.B. Mendonça, 2023. A new genus and two new species of tetras (Characiformes: Characidae), with a redescription and generic reassignment of Axelrodia lindeae Géry. Ichthyology & Herpetology 111(3):426-447. (Ref. 130247)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Informazioni ulteriori
Nomi ComuniSinonimiMetabolismoPredatoriEcotossicologiaRiproduzioneMaturitàDeposizioneSpawning aggregationFecundityUovaEgg development
Age/SizeAccrescimentoLength-weightLength-lengthLength-frequenciesMorfometriaMorfologiaLarveDinamica popolazioni larvaliReclutamentoAbbondanzaBRUVS
BibliografiaAcquacolturaProfilo di acquacolturaVarietàGeneticaElectrophoresesEreditarietàMalattieElaborazioneNutrientsMass conversion
CollaboratoriImmaginiStamps, Coins Misc.SuoniCiguateraVelocitàModalità di nuotoArea branchialeOtolithsCervelliVista
Strumenti
Special reports
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.2 ±0.5 se; based on size and trophs of closest relatives
Resilienza (Ref.
120179): Alto, tempo minimo di raddoppiamento della popolazione meno di 15 mesi (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
