Pygidianops amphioxus
de Pinna & Kirovsky, 2011
Synonyms
unknown
Length (total)
approx. 4 cm
Standard length (documented)
30.4 mm
Recommended tank size
60 cm
Temperature
24 - 24 °C
pH
3.4 - 3.8
Conductivity
12 - 13 µS/cm
Oxygen
6.4 - 6.4 mg/L
Amazonas (BRA), Pará (BRA)
Brazil
Barro Branco → igarapé Bolivia → igarapé Tabatinga → rio Tarumã Açu ⇒ rio Negro | igarapé Urupuanã → rio Nhamunda → rio Trombetas | rio Preto da Eva ⇒ Amazonas → Atlantic NE
˜[ -2.963,-59.916 ]
Habitat river width
~4.50 m
(Prefered) River depth
~0.70 m
Locality
near small waterfall(s), in pools
Type of water
Black water
Flow
small - strong
Substrate
sand, rocks
In water
foliage
On the riverbank
forest
Eats plants
not known
unknown
5-7 + 6-7 soft rays
Sympatric with
Imparfinis pristos
Stauroglanis gouldingi
Characidium pteroides
Gymnorhamphichthys rondoni
Ituglanis sp.
Paracanthopoma sp.
Stauroglanis gouldingi
Characidium pteroides
Gymnorhamphichthys rondoni
Ituglanis sp.
Paracanthopoma sp.
Not on the positive list of Brazil in 2012 : The positive list of Brazil
Not on the negative list of Brazil from 2020 : The negative list of Brazil
Not on the negative list of Brazil from 2020 : The negative list of Brazil
- Pinna, M.C.C. de & Kirovsky, A.L., 2011 "A new species of sand-dwelling catfish, with a phylogenetic diagnosis of Pygidianops Myers (Siluriformes: Trichomycteridae: Glanapteryginae)" (Neotropical Ichthyology, Vol.9 No. 3)
- Carvalho, M.S.; Zuanon, J. & Gerreira, E.J.G., 2014 "Diving in the sand: The natural history of Pygidianops amphioxus (Siluriformes: Trichomycteridae), a miniature catfish of Central Amazonian streams in Brazil" (Environmental Biology of Fishes, Vol. 97 No. 1)
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2989