Squaliforma horrida/Aphanotorulus horridus (L 290)

Kner, 1857

(Type species)
Squaliforma horrida/Aphanotorulus horridus (L 290)
 
Family
 
Subfamily
 
Subgenus / Species group
Synonyms
Hypostomus horridus
Aphanotorulus horridus
Hypostomus biseriatus
Hypostomus scopularius
Hypostomus virescens
Plecostomus biseriatus
Plecostomus scopularius
Squaliforma biseriata
Squaliforma scopularia
Squaliforma virescens
Struppiger Haischilderwels
Squaliforma horrida (L 291)
Squaliforma cf. horrida "L 108"
Length (total)
approx.  65 cm
Recommended tank size
200 cm
Temperature
25 - 29 °C
pH
5.0 - 7.0

Amazonas, Mato Grosso, Pará, Rondônia, Beni

Bolivia, Brazil, Ecuador, Peru

río Apere | río Rapulo → río Yacuma ⇒ río Mamoré | (río Orthon | río Madre de Dios ⇒ río Beni) ⇒ rio Madeira | rio Purus | río Aguaytía → río Ucayali | (río Huallaga | río Tigre ⇒ río Marañón) | rio Piorini | rio Tarauacá → rio Juruá | río Pucuno → río Sono → río Napo ⇒ Amazonas → Atlantic NE

[ -12.429,-64.425 ]
Map to Squaliforma horrida/Aphanotorulus horridus (L 290)
Type of water
Clear water
Nutrition (mostly): omnivore
Eats plants
not known
Keeping in (small) groups is recommended. Individual keeping is possible.
from genus: stärkerer Odontodenbewuchs auf Pectorale und Hinterkörper
unknown
 
 
 
present
I / 4 rays
14 soft rays
greatly incised / concave, pointed
little longer at the bottom than at the top
I / 7 rays
6 soft rays
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
  • Reis, R.E., Kullander, S.O. & Ferraris, C.J. et.al., 2003 "Check List of the Freshwater Fishes of South and Central America" P. 367
  • I. Seidel / H.-G. Evers "Welsatlas 2"  edition: 1 (2005) P.1137
  • A. Werner / W. Lechner / Dr. J. Schmidt "Miniatlas L-Welse"  edition: 1 (2005) P.244
Pic. 2: Squaliforma horrida/Aphanotorulus horridus (L 290)
Pic. 3: Squaliforma horrida = Aphanotorulus horridus, type
Many thanks to
for the pictures
Kner (1857) (PD)
1, 2, 3
Please help with your pictures and information to complete the database: database(at)welsfans.de
Link: https://www.suedamerikafans.de/en/wels-datenbank/welsart/?art=381
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