Ituglanis cahyensis

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Ituglanis cahyensis Sarmento-Soares, Martins-Pinheiro, Aranda & Chamon, 2006

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Ituglanis cahyensis
Picture by Sarmento-Soares, L.M.

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> Siluriformes (Catfishes) > Trichomycteridae (Pencil or parasitic catfishes) > Trichomycterinae
Etymology: Ituglanis: Greek, itys, ityos = circle + Greek, glanis = a fish that can eat the bait without touching the hook; a cat fish (Ref. 45335);  cahyensis: Named for the rio Cahy, the main river of the basin where this species was captured..

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

; zoet water benthopelagisch. Tropical

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South America: known only from rio Palmares, a tributary of the rio Cahy in Bahia, Brazil.

Grootte / Gewicht / Leeftijd

Maturity: Lm ?  range ? - ? cm
Max length : 4.9 cm SL mannelijk / geslacht onbekend; (Ref. 57703)

Korte beschrijving Morfologie | Morfometrie

Dorsale stekels (totaal): 0; Dorsale zachte stralen (totaal): 9; Anale zachte stralen: 7 - 8; Wervels: 40. Distinguished from most of its congeners, except Ituglanis macunaima and Ituglanis parahybae, by having a pectoral fin ray count of I,4. Differs also from all its congeners, excluding Ituglanis parahybae, by the coloration pattern with longitudinal rows of coalescing blotches. Can be differentiated from Ituglanis parahybae by the supraorbital laterosensory canal branch with pores s3 and s6 present.

Biologie     Verklarende woordenlijst (bv. epibenthic)

Found in brown waters with moderate flowing current and sandy or gravel bottom. Feeds on insect larvae, nymphs and organic matter (Ref. 57703).

Levenscyclus en paargedrag Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven

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Sarmento-Soares, L.M., R.F. Martins-Pinheiro, A.T. Aranda and C.C. Chamon, 2006. Ituglanis cahyensis, a new catfish from Bahia, Brazil (Siluriformes: Trichomycteridae). Neotrop. Ichthyol. 4(3):309-318. (Ref. 57703)

Status op de Rode Lijst van het IUCN (Ref. 130435)

  Gevoelig (NT) (B1b(iii,v)); Date assessed: 16 May 2022

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

  Harmless





Gebruik door de mens

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Estimates based on models

Fylogenetische diversiteitsindex (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00661 (0.00282 - 0.01550), b=2.99 (2.79 - 3.19), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trofisch niveau (Ref. 69278):  3.1   ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).