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> Characiformes (Characins) > Characidae (Characins; tetras) > Stevardiinae
Etymology: Mimagoniates: Greek, mimos = mime + Greek, gonio = angle (Ref. 45335).
More on author: Steindachner.

Issue
No recent species description, but see Weitzman et al. (1988) & Menezes & Weitzman (1990) for identification and relationships. See Burns et al. (1995) for evidence of insemination. See Nelson (1964a) for discussion of courtship behavior.

Environment: milieu / climate zone / depth range / distribution range Écologie

; eau douce benthopélagique. Tropical; 18°C - 23°C (Ref. 2059)

Distribution Pays | Zones FAO | Écosystèmes | Occurrences | Point map | Introductions | Faunafri

South America: usually in clear coastal streams from southern Bahia to northern Rio Grande do Sul, Brazil. Also found in some areas of the high Iguaçu River (Ref. 84543).

Length at first maturity / Taille / Poids / Âge

Maturity: L_m 2.8, range 3 - 3 cm
Max length : 6.1 cm SL mâle / non sexé; (Ref. 38597)

Inhabit small to moderate-sized streams or rivers (Ref. 30267). Aquarium specimens reach 9.0 cm TL (Ref. 30267). Mature females keep live sperm cells in their ovary through insemination which occurs during the dry season (Ref. 84543). Spawning period coincides with the rainy season to ensure increased survival of offsprings (Ref. 84543).

Life cycle and mating behavior Maturité | Reproduction | Frai | Œufs | Fécondité | Larves

Référence principale Upload your references | Références | Coordinateur | Collaborateurs

Burns, J.R., S.H. Weitzman, K.R. Lange and L.R. Malabarba, 1998. Sperm ultrastructure in Characid fishes (Teleostei: Ostariophysi). p. 235-244. In L.R. Malabarba, R.E. Reis, R.P. Vari, Z.M.S. Lucena and C.A.S. Lucena (eds.) Phylogeny and classification of neotropical fishes. Porto Alegre: EDIPUCRS. (Ref. 34096)

Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2024-2)

Préoccupation mineure (LC) ; Date assessed: 07 November 2018

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Menace pour l'homme

Harmless

Utilisations par l'homme

FAO - Publication: search | FishSource |

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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01122 (0.00671 - 0.01877), b=2.93 (2.79 - 3.07), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).

Niveau trophique (Ref. 69278): 3.2 ±0.41 se; based on food items.

Résilience (Ref. 120179): Haut, temps minimum de doublement de population inférieur à 15 mois (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

Mimagoniates microlepis (Steindachner, 1877)