Hassar affinis
Steindachner, 1881
affines (lat.) - affine; because of the similarity to Hassar orestis
Length (total)
approx. 27 cm
Standard length (documented)
240.0 mm
Recommended tank size
150 cm
Piauí, Maranhão
Brazil
rio Paraim → rio Gurguéia | rio Poti ⇒ rio Parnaíba | rio Mearim ⇒ Atlantic NE
˜[ -5.390,-41.932 ]
Nutrition (mostly): omnivore
insects, small fishes, cancer (Crustacea), vegetable fibers
Eats plants
not known
from genus: Male pointed dorsal fin, female round dorsal fin
unknown
iii - v / 7 - 9 rays
7 + 7-9 soft rays
incised / concave
top and bottom approximately the same length
II / 6 rays
(7 -) 8 (- 9) soft rays
6 soft rays
7 + 7-9 soft rays
incised / concave
top and bottom approximately the same length
II / 6 rays
(7 -) 8 (- 9) soft rays
6 soft rays
Sympatric with
Glyptoperichthys parnaibae
Loricariichthys derbyi
Pimelodella parnahybae
Pimelodus blochii
Platydoras brachylecis
Apistogramma piauiensis
Astyanax fasciatus
Astyanax lacustris
Brachychalcinus parnaibae
Cichla monoculus
Cichlasoma orientale
Curimatella immaculata
Hemigrammus rodwayi
Loricariichthys derbyi
Pimelodella parnahybae
Pimelodus blochii
Platydoras brachylecis
Apistogramma piauiensis
Astyanax fasciatus
Astyanax lacustris
Brachychalcinus parnaibae
Cichla monoculus
Cichlasoma orientale
Curimatella immaculata
Hemigrammus rodwayi
Hoplias malabaricus
Hyphessobrycon sp.
Lycengraulis batesii
Moenkhausia dichroura
Pamphorichthys hollandi
Prochilodus lacustris
Psectrogaster rhomboides
Psellogrammus kennedyi
Roeboides margareteae
Serrasalmus rhombeus
Steindachnerina notonota
Tetragonopterus argenteus
Triportheus signatus
Hyphessobrycon sp.
Lycengraulis batesii
Moenkhausia dichroura
Pamphorichthys hollandi
Prochilodus lacustris
Psectrogaster rhomboides
Psellogrammus kennedyi
Roeboides margareteae
Serrasalmus rhombeus
Steindachnerina notonota
Tetragonopterus argenteus
Triportheus signatus
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
- Reis, R.E., Kullander, S.O. & Ferraris, C.J. et.al., 2003 "Check List of the Freshwater Fishes of South and Central America" P. 461
- Steindachner, Dr. F., 1882 "Beiträge zur Kenntnis der Flussfische Südamerika's II" (Denkschriften der Kaiserlichen Akademie der Wissenschaften / Mathematisch-Naturwissenschaftliche Classe., Vol. 43, P. 107)
- Sabaj Pérez, M.H. & Brindelli, J.L.O., 2013 "Hassar shewellkeimi, a New Species of Thorny Catfish (Siluriformes: Doradidae) from the upper Tapajós Basin, Brazil" (abstract) (Proceedings of the Academy of Natural Sciences of Philadelphia, Vol. 162, P. 149)
- Birindelli, José L.O., 2014 "Phylogenetic relationships of the South American Doradoidea (Ostariophysi: Siluriformes)" (Neotropical Ichthyology, Vol. 12 No. 3, P. 538)
- Ramos, T.P.A.; Costa Ramos, R.T. da & Ramos, S.A.Q.A,, 2014 "Ichthyofauna of the Parnaíba river Basin, Northeastern Brazil" (Biota Neotropica, Vol. 14 No. 1, P. 4)
- Reis, R.E.; Albert, J.S.; Di Dario, F.; Mincarone, M.M.; Petry, P. & Rocha, L.A., 2016 "Fish biodiversity and conservation in South America" (Journal of Fish Biology, P. 17)
- Melo, F.A.G. de; Buckup, P.A.; Ramos, T.P.A.; Souza, A.K. do N.; Silva, C.M.A.; Costa, T.C. & Torres, A.R., 2016 "Fish fauna of the lower course of the Parnaíba River, northeastern Brazil" (Boletim do Museu de Biologia Mello Leitão (Nova séria), Vol. 38 No. 4, P. 376)
- --- find more ---
Many thanks to
for the pictures
Steindachner, Franz (1882) (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=1712
1712