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Characiformes (Characins) >
Acestrorhamphidae (American tetras) > Megalamphodinae
Etymology: Megalamphodus: Greek, megas, megalos = great + Greek, amphi = in both sides + Greek, odous = teeth (Ref. 45335).
Eponymy: Edward Copeland was a volunteer on the Thayer Brazilian Expedition (1865) that collected the type specimens. [...] (Ref. 128868), visit book page.
Taxonomic Remarks
Ornamental species. See Weitzman & Palmer (1997: 226) and Planquette et al. (1996: 288-289) for comments.
Entorno: milieu / zona climática / rango de profundidad / gama de distribución
Ecología
; agua dulce bentopelágico. Tropical; 24°C - 28°C (Ref. 13371)
South America: Upper Solimões, Mana and Approuague River basins.
Tamaño / Peso / Edad
Madurez: Lm ?  range ? - ? cm
Max length : 5.0 cm TL macho / no sexado; (Ref. 116983)
Descripción breve
Claves de identificación | Morfología | Morfometría
Lateral line incomplete.
Body shape (shape guide): fusiform / normal.
Frequently found in waters with slow current or the counter current zones of small creeks with clear water and sandy bottom. It occupies the upstream portion of rivers before a waterfall. Its capture in great numbers suggest a gregarious behavior (Ref. 12225). Its reproduction in captivity has not been reported (Ref. 27188). Maximum length 5.0 SL (Ref. 12225).
Ciclo vital y comportamiento de apareamiento
Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva
Planquette, P., P. Keith and P.-Y. Le Bail, 1996. Atlas des poissons d'eau douce de Guyane. Tome 1. Collection du Patrimoine Naturel Volume 22, MNHN, Paris & INRA, Paris. 429 p. (Ref. 12225)
Situación en la Lista Roja de la UICN (Ref. 130435: Version 2025-2 (Global))
Amenaza para el ser humano
Harmless
Usos humanos
Pesquerías: comercial; Acuario: Comercial
Herramientas
Informes especiales
Descargar XML
Fuentes de Internet
Estimaciones basadas en modelos
Índice de diversidad filogenética (Referencia
82804): PD
50 = 0.5002 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00977 (0.00517 - 0.01847), b=3.06 (2.89 - 3.23), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Nivel trófico (Referencia
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
Resiliencia (Referencia
120179): Alto, población duplicada en un tiempo mínimo inferior a 15 meses (Preliminary K or Fecundity.).
Vulnerabilidad pesquera (Ref.
59153): Low vulnerability (10 of 100).
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