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> Siluriformes (Catfishes) > Trichomycteridae (Pencil or parasitic catfishes) > Microcambevinae
Etymology: Microcambeva: Greek, mikros = small + cambeva, a Tupí-Guaraní word = flattened head; ribeirae: Named for its type locality, Ribeira do Iguape..
More on authors: Costa, Lima & Bizerril.

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

; süßwasser demersal. Subtropical

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South America: Rio Ribeira do Iguape basin in southeastern Brazil.

Size / Gewicht / Alter

Maturity: L_m ? range ? - ? cm
Max length : 4.8 cm SL Männchen/unbestimmt; (Ref. 53272)

Kurzbeschreibung Morphologie | Morphometrie

Rückenflossenweichstrahlen (insgesamt): 9; Afterflossenweichstrahlen: 8; Wirbelzahl: 34. Differs from M. barbata in having short nasal barbels reaching just behind posterior nostril; eye positioned on posterior half of head; first pectoral-fin ray shorter than posterior ones, its tip not forming a distinct filament; anal fin origin posterior of vertical through base of last dorsal-fin ray; posteriormost pore of each supraorbital canal united in the midline, composing a single median pore; frontal elongated anteriorly; fontanel not extending anteriorly beyond posteriormost supraorbital pore; anterior portion of sphenotic with a prominent lateral process; anterior palatine ossification absent; posterior process of palatine elongate, about 60% of palatine bony portion without posterior process; and supraorbital bone elongate, about three times as long as lacrimal (Ref. 53272).

Occurs in clear, shallow streams (about 60 cm deep), with a gray sandy bottom, where some specimens were found entirely buried, except for snout and barbels (Ref. 53272).

Life cycle and mating behavior Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven

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Costa, W.J.E.M., S.M.Q. Lima and C.R.S.F. Bizerril, 2004. Microcambeva ribeirae sp. n. (Teleostei: Siluriformes: Trichomycteridae): a new sarcoglanidine catfish from the Rio Ribeira do Iguape basin, southeastern Brazil. Zootaxa 563:1-10. (Ref. 53272)

IUCN Rote Liste Status (Ref. 130435)

Nicht untersucht

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

Harmless

Nutzung durch Menschen

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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref. 93245).

Trophic level (Ref. 69278): 3.2 ±0.4 se; based on size and trophs of closest relatives

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

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Microcambeva ribeirae Costa, Lima & Bizerril, 2004