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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.
पर्यावरण: पर्यावरण / जलवायु क्षेत्र / गहराई सीमा / वितरण सीमा
पारिस्थितिकी
; स्वच्छ जल, अलवण जल बेनथोपिलाजिक; गहराई सीमा 0 - 1 m (Ref. 138468). Tropical
South America: Brazil.
आकार / वज़न / आयु
परिपक्व अवधि: Lm ? range ? - ? cm
Max length : 5.4 cm SL पुल्लिंग / अलिंग; (Ref. 138468)
संक्षिप्त वर्णन
पहचान कुंजी | आकृति विज्ञान | मौरफोमैटरिक्स
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).
जीवन चक्र और संभोग व्यवहार
परिपक्व अवधि | पुनरुत्पत्ति | मछलीऔ का अंडे देना | अंडे | उपजाऊपन | लार्वा
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)
आईयूसीएन रेड लिस्ट स्थिति (Ref. 130435: Version 2025-2 (Global))
मनुष्यों के लिए ख़तरा
Harmless
मानव उपयोग
साधन
विशेष रिपोर्ट
XML डाउनलोड करें
इंटरनेट स्रोत
मॉडल पर आधारित अनुमान
जातिवृति विविधता सूचकांक (संदर्भ
82804): PD
50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00741 (0.00287 - 0.01912), b=3.14 (2.92 - 3.36), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
ट्रॉफिक स्तर (संदर्भ
69278): 3.0 ±0.3 se; based on size and trophs of closest relatives
लौटाव (संदर्भ
120179): ऊंचा, न्यूनतम जनसंख्या दुगनी समय अवलागत 15 महीने। (Preliminary K or Fecundity.).
मछली पकड़ने की भेद्यता (Ref.
59153): Low vulnerability (10 of 100).
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