Genus

 

Length (total)

Body
height

dorsal
fin
soft
rays

Adi
pose

 

Acanthicus
Spix / Agassiz, 1829
Elfenwelse

120

flat

flat head, heavy growth with odontodes

Ancistomus
Isbrücker & Seidel, 2001
Trugschilderwelse
Peckoltia (snethlageae-Gruppe)

25

normal

7

yes

elongated than Peckoltia

Ancistrini
Kner, 1853

35

 

 

not
all

Ancistrus
Kner, 1854
Antennenwelse

30

flat

yes

Tentacles on the head

Andeancistrus
Lujan, Meza-Vargas & Barriga-Salazar, 2015

18

normal

7

yes

Aphanotorulus
Isbrücker & Nijssen, 1983
Leopardschilderwelse
 (frankei-Gruppe)

65

flat

yes

Leopard pattern, lobes of the caudal fin approximately the same length

Araichthys
Zawadzki, Bifi & Mariotto, 2016

11

 

7

Avalithoxus
Lujan, Armbruster & Lovejoy, 2018

6

very flat

 

yes

Mouth: jagged edge striking circular

Baryancistrus
Rapp Py-Daniel, 1989
Prachtharnischwelse

40

height

7

yes

Dorsal fin and adipose fin are connected to a diaphragm

Chaetostoma
Heckel in Tschudi, 1845
Gebirgsharnischwelse

30

very flat

not
all

"rubber mouth"

Cochliodon
Heckel in Kner, 1854

Hypostomus (cochliodon-Gruppe)

50

very height

7

not
all

few spoon-shaped teeth, jaws v-shaped

Cordylancistrus
Isbrücker, 1980
Breitkopf-Gebirgsharnischwelse

18

very flat

yes

haunch-shaped head

Corymbophanes
Eigenmann, 1909

13

very flat

7

Cryptancistrus
Fisch-Muller, Mol & Covain, 2018

8

 

 

 

Dekeyseria
Rapp Py-Daniel, 1985
Rotdornharnischwels

25

very flat

7

yes

afterbody strongly keeled

Dolichancistrus
Isbrücker, 1980
Langstachel-Gebirgsharnischwelse

18

very flat

yes

"rubber mouth", many small bristles along the snout

Etsaputu
Lujan, Armbruster & Rengifo, 2011

12

normal

7

yes

Exastilithoxus
Isbrücker & Nijssen, 1979
Fransenmaul-Stromschnellen-Harnischwels

8

very flat

yes

jagged mouth with many lip barbels!

Glyptoperichthys
Weber, 1991
Segelschilderwelse
Pterygoplichthys

60

height

yes

bumps on the supraoccipital plate

Guyanancistrus
Isbrücker, 2001

Pseudancistrus (brevispinis-Gruppe)

21

very flat

7

yes

relatively large, very small maxillary barbels

Hemiancistrus
Bleeker, 1862
Großaugen-Harnischwelse

50

normal

7

yes

Collection of genera

Hopliancistrus
Isbrücker & Nijssen, 1989
Dreihornharnischwelse

22

very flat

 

yes

three extremely strong odontodes behind the gill cover

Hypancistrus
Isbrücker & Nijssen, 1991

35

normal

yes

relatively small mouth, greatly reduced dentition

Hypostomus
Lacépède, 1803
Schilderwelse

60

height

yes

no odontodes of interoperculum, usually colored inconspicuous

Isorineloricaria
Isbrücker, 1980
Igel-Harnischwelse
 (spinossissimus-group)

85

flat

 

yes

extremely long by greatly elongated, thin, round caudal peduncle

Lasiancistrus
Regan, 1904
Deltaschwanzwelse

25

very flat

yes

thick and thin odontodes on the operculum

Leporacanthicus
Isbrücker & Nijssen, 1989
Rüsselzahnwelse

30

normal

yes

"Buck teeth", upper lip has barbels!

Leptoancistrus
Meek & Hildebrand, 1916
Hochgebirgs-Harnischwelse

10

very flat

no anal fin

Lipopterichthys
Norman, 1935

10

 

 

 

only 12 soft rays in caudal fin

Liposarcus
Günther, 1864
Segelschilderwelse
Pterygoplichthys (multiradiatus-Gruppe)

60

height

yes

no bumps on the supraoccipital plate

Lithoxancistrus
Isbrücker, Nijssen & Cala, 1988
Flachkopfharnischwelse
Pseudancistrus (orinoco-Gruppe)

20

very flat

7

yes

Lithoxus
Eigenmann, 1910

9

very flat

 

not
all

Mouth: jagged edge striking circular

Loraxichthys
Salcedo, 2013

7

flat

 

Megalancistrus
Isbrücker, 1980
Riesenkaktuswelse

80

height

yes

massive

Micracanthicus
Lujan & Armbruster, 2011

8

flat

 

 

Neblinichthys
Ferraris, Isbrücker & Nijssen, 1889
Neblina-Harnischwelse

10

very flat

yes

males have on the head are long, forward looking odontodes

Oligancistrus
Rapp Py-Daniel, 1989
Segelflossenharnischwels
Spectracanthicus

20

normal

7

yes

Panaqolus
Isbrücker & Schraml, 2001
Zwergschilderwelse, Tigerharnischwelse
Panaque (dentex-Gruppe)

20

normal

yes

jaw mostly strong v-shaped

Panaque
Eigenmann & Eigenmann, 1889

70

very height

7

yes

jaw mostly strong v-shaped

Paralithoxus
Boeseman, 1982

8

very flat

 

yes

Mouth: jagged edge striking circular

Parancistrus
Bleeker, 1862
Breitkopfharnischwelse

25

very flat

7

yes

first ray of the dorsal severely bent, huge gill opening

Paulasquama
Armbruster & Taphorn, 2011

7

very flat

7

yes

Peckoltia
Miranda-Ribeiro, 1912
Zwergschilderwels

50

normal

yes

Peckoltichthys
Miranda-Ribeiro, 1917
Flachstirnharnischwelse
Peckoltia (ucayalensis-Gruppe)

15

height

7

yes

elongated, flat forehead

Pseudacanthicus
Bleeker, 1882
Kaktuswelse

100

height

yes

strongly keeled, thorn-like odontodes

Pseudancistrus
Bleeker, 1862
Borstenkranz-Harnischwelse

25

flat

yes

long beard from odontodes

Pseudolithoxus
Isbrücker / Werner, 2001
Fliegerharnischwelse
Lasiancistrus (anthrax-Gruppe)

20

very flat

yes

very long pectoral fins

Pseudoqolus
Lujan, Cramer, Covain, Fisch-Muller & López-Fernández, 2017

20

normal

7

yes

Pterygoplichthys
Gill, 1858
Segelschilderwelse

40

height

yes

no bumps on the supraoccipital plate

Scobinancistrus
Isbrücker & Nijssen, 1989
Pfauenharnischwelse

40

flat

7

yes

very few long teeth, elongated

Soromonichthys
Lujan & Armbruster, 2011

4

flat

7

yes

Spectracanthicus
Nijssen & Isbrücker, 1987
Falsche Rüsselzahnwelse

15

flat

7

yes

"Buck teeth", upper lip has no barbels! very pointed head

Squaliforma
Isbrücker & Michels, 2001
Haischilderwelse
Aphanotorulus (emarginatus-Gruppe)

65

flat

7

yes

Leopard pattern, lower lobe of the caudal fin is longer

Transancistrus
Lujan, Meza-Vargas & Barriga-Salazar, 2015

10

very flat

7

 

Yaluwak
Lujan & Armbruster, 2019

15

 

 

Zonancistrus
Isbrücker, 2001
Schmetterlingsharnischwelse
Dekeyseria (brachyura-Gruppe)

18

very flat

7

yes

conspicuous bands, caudal peduncle strongly keeled, long, pointed head

56 entries found

Many thanks to

for the pictures

Ingo Seidel

3, 5, 13, 22

4, 6, 28, 44, 47

J. J. von Tschudi

8

H. P. Risch

9

Juan Guillermo Ospina Pabon (CC BY-NC 3.0)

10

Field Museum of Natural History (CC BY-NC 4.0)

11

Fisch-Muller, Mol & Covain (CC BY 4.0)

12

Steindachner, Franz (1917) (PD)

15

16

Bubu Schmidt

17

18

Eduardo Baena (CC BY-NC 3.0)

19

Shastri Ballyram

21

Brenda Irwin

24

25

The Trustees of the Natural History Museum, London (CC BY 4.0)

26

27, 34, 36, 45

Sandra Udrizar

29

30

The Field Museum - O.M. Ribeiro (CC BY-NC 4.0)

31

The Field Museum - Michael W. Littmann (CC BY-NC 4.0)

33

The Trustees of the Natural History Museum, London (CC BY 4.0)

35

The Trustees of the Natural History Museum, London (CC BY 4.0)

38

39

40

Augusto Bentinho

42

Ilka Baumann

43

Kner (1857) (PD)

46

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https://www.suedamerikafans.de/en/wels-datenbank/wels-gattungen/?unterfamilie_name=Hypostominae