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Siluriformes (Catfishes) >
Trichomycteridae (Pencil or parasitic catfishes) > Trichomycterinae
Etymology: Cambeva: Probably derived from the Tupi-Guarani, is a popular name for trichomycterid fishes in southern and south-eastern Brazil (Ref. 119381); diffusa: Name from Latin 'diffusa', referring to the color pattern of the species which have diffiuse grey spots, general coloration is lighter compared to its close related congeners.
Environment: milieu / climate zone / depth range / distribution range
Ecologie
; zoet water demersaal. Tropical
Verspreiding
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South America: Brazil.
Grootte / Gewicht / Leeftijd
Maturity: Lm ? range ? - ? cm
Max length : 1.1 cm SL mannelijk / geslacht onbekend; (Ref. 129458)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Dorsale stekels (totaal) : 2; Dorsale zachte stralen (totaal) : 7; Anale stekels: 2; Anale zachte stralen: 5. This species is distinguished from all its congeners in the C. balios complex by the following characters: with a lighter general colouration, highly differing by the presence of a great concentration of small dark brownish grey dots in a superficial skin layer, contrasting with rounded diffuse pale grey spots, almost inconspicuous, in a deeper layer (vs. never a similar colouration); similar to C. pericoh and differs from C. balios in having a slightly posteriorly folded extremity of the dorsal process of the opercle (vs. unfolded), a narrow postero-dorsal projection on the preopercle (vs. no projection), and branchiostegal rays 8 (vs. 9); differs from C. pericoh in having more dorsal procurrent caudal-fin rays 17 (vs. 13 or 14), fewer ribs 12 (vs. 15), and opercular and interopercular postero-dorsal odontodes distinctively wider and more curved than other odontodes (vs. opercular and interopercular posterodorsal odontodes only slightly wider and more curved than other odontodes) (Ref. 129458).
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Costa, W.J.E.M., C.R.M. Feltrin and A.M. Katz, 2021. Field inventory reveals high diversity of new species of mountain catfishes, genus Cambeva Katz, Barbosa, Mattos & Costa, 2018 (Siluriformes: Trichomycteridae), in south-eastern Serra Geral, southern Brazil. Zoosystema 43(art.28):659-690. (Ref. 129458)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2024-2)
Gevaar voor de mens
Harmless
Gebruik door de mens
Tools
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Estimates based on models
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = No PD50 data [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00661 (0.00279 - 0.01564), 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): 3.0 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
