Hisonotus thayeri
Martins & Langeani, 2016
thayeri - after Thayer Expedition mid-19th century.
Synonyms
unknown
Length (total)
approx. 6 cm
Standard length (documented)
42.0 mm
Recommended tank size
60 cm
unnamed creek to rio Benevente near Guarapari, , córrego da Braúna, córrego Cachoeira Alta, rio Caco de Pote, rio Carangola, rio Dois Rios, córrego do Farol = rio São José das Torres, ribeirão das Flores, rio Floresta, córrego Limoeiro, poço da Mirindiba, unnamed creek to rio Muqui do Norte, rio Muriaé = rio Muriahé, rio Negro, unnamed creek to rio Norte, rio do Ouro, ➀ rio Paraíba do Sul = rio Parahyba, rio das Pedras, córrego Safra, ribeirão São Bartolomeu, rio São Domingos, córrego São Gabriel
Espírito Santo, Minas Gerais, Rio de Janeiro
Brazil
cachoeira Tororama ⇒ rio Benevente | rio Muqui do Sul → rio Itabapoana | (rio Muriaé | rio Grande | rio Piraí ⇒ rio Paraíba do Sul) | rio São Pedro → rio Macaé | rio Preto → rio Itabapoana | rio Itapemirim | rio Santa Joana → rio Doce | rio Sossego → rio Imbé → logoa de Cima → rio Ururaí → lagoa Feia → canal da Flecha | córrego São Cicente de Baixo → córrego Páu D'alho → rio Novo ⇒ Atlantic SE
[ -20.625,-40.618 ]
Nutrition (mostly): vegetarian
Eats plants
not known
Keeping in groups is necessary.
female higher-backed
unknown
absent
(4 -) 5 soft rays
(13 -) 14 (- 15) soft rays
slightly incised / concave, pointed
little longer at the bottom than at the top
(6 -) 7 soft rays
(5 -) 6 soft rays
(6 -) 5 soft rays
(4 -) 5 soft rays
(13 -) 14 (- 15) soft rays
slightly incised / concave, pointed
little longer at the bottom than at the top
(6 -) 7 soft rays
(5 -) 6 soft rays
(6 -) 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
Not on the negative list of Brazil from 2020 : The negative list of Brazil
- Martins, F.O. & Langeani, F., 2016 "Redescription of Hisonotus notatus Eigenmann & Eigenmann, 1889 (Loricariidae: Hypoptopomatinae), the type species of the genus, and description of a new species from coastal drainages of southeastern Brazil" (Neotropical Ichthyology, Vol 14 No. 2)
- Calegari, B.B.; Morlis, W.G. & Reis, R.E., 2017 "A new species of Otothyropsis (Siluriformes: Loricariidae) from the upper Río Paraná basin, Paraguay, with a discussion of the limits between Otothyropsis and Hisonotus" (Zootaxa, Vol. 4244, No. 2, P. 244)
Many thanks to
for the pictures
1, 2, 3
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Link: https://www.suedamerikafans.de/en/wels-datenbank/welsart/?art=2446
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