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Teleostei (teleosts) > Characiformes (Characins) > Crenuchidae (South American darters) > Characidiinae
Etymology: Characidium: Diminutive of Charax, -akos = a fish without identification (Ref. 45335).
More on author: Regan.

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

Freshwater; benthopelagic; pH range: 5.6 - 7.5; dH range: ? - 25. Tropical; 20°C - 24°C (Ref. 1672)

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

South America: lower Paraná River basin; Uruguay River basin; coastal drainages from Rio Grande do Sul to La Plata River.

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 4.5 cm SL male/unsexed; (Ref. 125974)

Short description Identification keys | Morphology | Morphometrics

Dorsal soft rays (total): 13 - 14; Anal soft rays: 8. Is distinguished by the incompleteness of its lateral line, which never has pores beyond the 11th scale of the lateral series (Ref. 27672).

Found in lentic environment.

Life cycle and mating behavior Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larvae

Assumed as Characidium fasciatum.

Main reference Upload your references | References | Coordinator | Collaborators

Cordiviola de Yuan, E. and C. Pignalberi de Hassan, 1985. Fish population in the Paraná River: lentic environments of Diamante and San Pedro areas (Argentine Republic). Hydrobiologia 127:213-218. (Ref. 11229)

IUCN Red List Status (Ref. 130435)

Least Concern (LC) ; Date assessed: 06 May 2020

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

FAO - Publication: search | FishSource |

More information

Trophic ecology
Food items
Diet compositions
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Predators

Ecology
Ecology

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Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversions
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Abundances

Life cycle
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Egg(s)
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Distribution
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Anatomy
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Brains
Otoliths

Physiology
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Swimming type
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Visual pigment(s)
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Diseases / Parasites
Toxicities (LC50s)

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Genetics
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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01230 (0.00651 - 0.02325), b=3.06 (2.90 - 3.22), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).

Trophic level (Ref. 69278): 3.4 ±0.3 se; based on size and trophs of closest relatives

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

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