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> Characiformes (Characins) > Acestrorhynchidae (Smallscale pike characins) > Roestinae
Etymology: More on author: Kner.

Issue
See Lucena & Menezes (1998) for phylogenetic relationships and Menezes & Lucena (1998) for detailed description.

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

; süßwasser benthopelagisch. Tropical

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South America: upper Madeira River basin.

Size / Gewicht / Alter

Maturity: L_m ? range ? - ? cm
Max length : 21.6 cm SL Männchen/unbestimmt; (Ref. 111115); max. veröff. Gewicht: 209.61 g (Ref. 111115)

Kurzbeschreibung Bestimmungsschlüssel | Morphologie | Morphometrie

Rückenflossenweichstrahlen (insgesamt) : 11; Afterflossenstacheln: 4 - 5; Afterflossenweichstrahlen: 43 - 47; Wirbelzahl: 40. Readily distinguished from the other two species of the genus by having more branched rays on the anal fin (43-47, versus 41-43 in R. ogilviei and 38-41 in R. itupiranga). Hooks are present on the anal fin of adult male specimens of R. itupiranga and in one adult male of R. ogilviei but have not been found in males of R. molossus of comparable sizes.

Life cycle and mating behavior Maturities | Fortpflanzung | Spawnings | Egg(s) | Fecundities | Larven

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Menezes, N.A. and C.A.S. de Lucena, 1998. Revision of the subfamily Roestinae (Ostariophysi: Characiformes: Cynodontidae). Ichthyol. Explor. Freshwat. 9(3):279-291. (Ref. 33012)

IUCN Rote Liste Status (Ref. 130435)

nicht bedroht (LC) ; Date assessed: 03 April 2020

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

Harmless

Nutzung durch Menschen

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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00479 (0.00182 - 0.01257), b=3.13 (2.90 - 3.36), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trophic level (Ref. 69278): 4.1 ±0.7 se; based on size and trophs of closest relatives

Widerstandsfähigkeit (Ref. 120179): hoch, Verdopplung der Population dauert weniger als 15 Monate. (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Low vulnerability (16 of 100).

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Roestes molossus (Kner, 1858)