Eigenmann & Eigenmann, 1890

Internet sources

Genus

 

Length (total)

Body
height

dorsal
fin
soft
rays

Adi
pose

 

Acestridium
Hasemann, 1912

7

normal

needle-shaped, rounded caudal

Hypoptopoma
Günther, 1868

13

very flat

7

yes

far outside eyes, spatulate body, strong armor

Leptotocinclus
Delapieve, Lehmann & Reis, 2017

5

normal

 

 

Nannoptopoma
Schaefer, 1996

6

 

 

Nannoxyropsis
Delapieve, Lehmann & Reis, 2017

6

normal

7

 

Niobichthys
Schaefer & Provenzano, 1998

10

very flat

 

afterbody and caudal peduncle strongly flattened

Otocinclus
Cope, 1872
Trommelfell-Welse

8

 

Oxyropsis
Eigenmann & Eigenmann, 1889

9

 

 

8 entries found

10

Many thanks to

for the pictures

Carvalho et. al., 2009 (PD)

2

Delapieve, Lehmann & Reis (CC BY 4.0)

3, 5

E.D. Cope (PD)

6

Mitsuhiro Iwamoto

7

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