Hisonotus laevior

Cope, 1894
Hisonotus laevior, MCN 12682, female, 46.0 mm SL. Arroio Inhuquipá, São Lourenço do Sul, Brazil.
 
Family
 
Subfamily
 
Tribe
 
Genus
Synonyms
Hisonotus leptochilus
Microlepidogaster laevior
Microlepidogaster leptochilus
Otocinclus laevior
Otocinclus leptochilus
Length (total)
approx.  7 cm
Standard length (documented)
47.2 mm
Recommended tank size
60 cm
Temperature
15 - 22 °C

Rio Grande do Sul, Canelones, San José

Brazil, Uruguay

rio Vacacaí | rio Gravataí | rio Taquari | rio Cadeia → rio Caí ⇒ rio Jacuí ⇒ rio Guaíba | (arroio Duro | arroio Bebedouro Grande) → rio Camaquã | arroio Velhaco | (arroio Arambaré → arroio Basílo → rio Piratini | laguna Merín) ⇒ canal São Gonçalo ⇒ lagoa dos Patos → Atlantic SE

˜[ -29.954,-51.767 ]
Map to Hisonotus laevior
Type of water
Clear water, Black water
Substrate
sand
Nutrition (mostly): vegetarian
Eats plants
not known
Keeping in groups is necessary.
unknown
 
 
 
absent
I / 5 rays
14 soft rays
slightly incised / concave
fin edges: white 
II / 7 rays
6 soft rays
5 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. 322
  • H.-G. Evers / I. Seidel "Welsatlas 1"  edition: 2 P.366
Pic. 2: Hisonotus laevior, MCN 12682, female, 46.0 mm SL. Arroio Inhuquipá, São Lourenço do Sul, Brazil.
Pic. 3: Hisonotus laevior, MCN 12682, female, 46.0 mm SL. Arroio Inhuquipá, São Lourenço do Sul, Brazil.
Pic. 4: Hisonotus laevior
Many thanks to
for the pictures
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