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Teleostei (teleosts) > Characiformes (Characins) > Characidae (Characins; tetras) > Stevardiinae
Etymology: diamantina: Named for Chapada Diamantina, the region where the species is found. A noun in apposition.

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

Freshwater; benthopelagic. Tropical

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

South America: Rio Paraguaçu basin in Bahia State, Brazil.

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 3.9 cm SL male/unsexed; (Ref. 87315)

Short description Identification keys | Morphology | Morphometrics

Dorsal soft rays (total): 10 - 11; Anal soft rays: 23 - 26. Can be diagnosed by having the following characters: head depth 16.7-18.8% SL; 8 longitudinal scale rows between lateral-line and pelvic-fin origin; 47-56 scales on lateral line; and 19-22 branched anal-fin rays (Ref. 87315).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator | Collaborators

Ferreira, K.M., N.A. Menezes and I. Quagio-Grassiotto, 2011. A new genus and two new species of Stevardiinae (Characiformes: Characidae) with a hypothesis on their relationships based on morphological and histological data. Neotrop. Ichthyol. 9(2):281-298. (Ref. 87315)

IUCN Red List Status (Ref. 130435: Version 2024-1)

Endangered (EN) (B1ab(iii,iv)); Date assessed: 07 November 2018

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

FAO - Publication: search | FishSource |

More information

Trophic ecology
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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00955 (0.00443 - 0.02057), b=3.06 (2.88 - 3.24), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trophic level (Ref. 69278): 3.0 ±0.4 se; based on size and trophs of closest relatives

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

Lepidocharax diamantina Ferreira, Menezes & Quagio-Grassiotto, 2011