Classificatie / Namen
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Siluriformes (Catfishes) >
Callichthyidae (Callichthyid armored catfishes) > Corydoradinae
Etymology: reisi: Named after Roberto Esser dos Reis, for his many contributions to Neotropical ichthyology, including studies in callichthyid fish; noun in the genitive case.
Eponymy: Dr Roberto Esser dos Reis is a Brazilian ichthyologist. [...] (Ref. 128868), visit book page.
Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied
Ecologie
; zoet water benthopelagisch; diepte 0 - 1 m (Ref. 138468). Tropical
South America: Brazil.
Grootte / Gewicht / Leeftijd
Maturiteit: Lm ?  range ? - ? cm
Max length : 5.4 cm SL mannelijk / geslacht onbekend; (Ref. 138468)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
This species is distinguished by the following characters: infraorbital 2 expanded ventrally, adjacent to small, almost imperceptible, naked area between sphenotic, compound pterotic, opercle and preopercle; with a roughly oblique, elongate, dark brown blotches along body; large specimens with cranial fontanel completely occluded, leaving just a shallow fossae, delimited by frontal bones, and reaching
anterior tip of parieto-supraoccipital; absence of a black dot on the base of median caudal-fin rays and sexually dimorphic features inconspicuous, i.e. cheek
region similar in males and females, with only minute, scattered odontodes in the former, dorsal and pectoral fins of males slightly longer than in females; tip of snout roughly truncate (Ref. 138468).
Body shape (shape guide): elongated; Cross section: oval.
This species was found mainly in very small (0.5-2 m wide) and shallow streams (30-60 cm depth), with slow current water and surrounded by relatively preserved riparian vegetation; bottom was sandy, sometimes covered with a thin layer of mud or fallen leaves (although there were rocky bottom stretches in the same creeks, the species was never found there). The streams may have a small amount of submerged vegetation. Associated species collected along with this species were Astyanax eigenmanniorum, Cheirodon interruptus, Corydoras paleatus, Heptapterus mustelinus, H. sympterygium, Mimagoniates inequalis, Phalloceros caudimaculatus, Pseudobunocephalus iheringii, Rhamdia sp. and Scleronema sp. (Ref. 138468).
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Britto, M.R., C.K. Fukakusa and L.R. Malabarba, 2016. New species of Scleromystax Günther, 1864 (Siluriformes: Callichthyidae) - extending the meridional distribution of genera endemic to the Atlantic Forest. Neotropical Ichthyol. 14(3):e150158: [1-10]. (Ref. 138468)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-2 (Global))
Gevaar voor de mens
Harmless
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Schattingen op basis van modellen
Fylogenetische diversiteitsindex (Ref. 82804) |
PD50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00741 (0.00287 - 0.01912), b=3.14 (2.91 - 3.37), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Trofisch niveau (Ref. 69278) |
3.0 ±0.3 se; based on size and trophs of closest relatives |
Weerstandsvermogen (Ref. 120179) |
Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden (Preliminary K or Fecundity.). |
Kwetsbaarheid van de visserij (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |