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  Species:
  Pseudomystus heokhuii
  
  Caption: Dorsal view of preserved specimen
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  Species:
  Panaqolus gnomus
  
  Caption: Dorsal view of preserved specimen
• 
  Species:
  Synodontis zambezensis
  
  Caption: Dorsal view of preserved specimen
• 
  Species:
  Leiarius perruno
  
  Caption: Dorsal view of preserved specimen
• 
  Species:
  Chaetostoma tachiraense
  
  Caption: Dorsal view of preserved specimen (flipped)
• 
  Species:
  Synodontis membranaceus
  
  Caption: Large preserved specimen
• 
  Species:
  Otocinclus mariae
  
  Caption: Lateral view of a second preserved specimen
• 
  Species:
  Amphilius brevis
  
  Caption: Lateral view of preserved specimen
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  Species:
  Amphilius grandis
  
  Caption: Lateral view of preserved specimen
• 
  Species:
  Amphilius jacksonii
  
  Caption: Lateral view of preserved specimen
• 
  Species:
  Amphilius krefftii
  
  Caption: Lateral view of preserved specimen
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  Species:
  Amphilius longirostris
  
  Caption: Lateral view of preserved specimen
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  Species:
  Amphilius maesii
  
  Caption: Lateral view of preserved specimen
• 
  Species:
  Amphilius natalensis
  
  Caption: Lateral view of preserved specimen
• 
  Species:
  Amphilius opisthophthalmus
  
  Caption: Lateral view of preserved specimen
• 
  Species:
  Tetracamphilius angustifrons
  
  Caption: Lateral view of preserved specimen
• 
  Species:
  Ariopsis assimilis
  
  Caption: Lateral view of preserved specimen
• 
  Species:
  Arius acutirostris
  
  Caption: Lateral view of preserved specimen
• 
  Species:
  Neoarius graeffei
  
  Caption: Lateral view of preserved specimen
• 
  Species:
  Netuma bilineata
  
  Caption: Lateral view of preserved specimen
• 
  Species:
  Pterobunocephalus depressus
  
  Caption: Lateral view of preserved specimen
• 
  Species:
  Astroblepus boulengeri
  
  Caption: Lateral view of preserved specimen
• 
  Species:
  Astroblepus brachycephalus
  
  Caption: Lateral view of preserved specimen
• 
  Species:
  Astroblepus chotae
  
  Caption: Lateral view of preserved specimen
• 
  Species:
  Astroblepus cirratus
  
  Caption: Lateral view of preserved specimen
• 
  Species:
  Astroblepus eigenmanni
  
  Caption: Lateral view of preserved specimen
• 
  Species:
  Astroblepus festae
  
  Caption: Lateral view of preserved specimen
• 
  Species:
  Astroblepus fissidens
  
  Caption: Lateral view of preserved specimen
• 
  Species:
  Astroblepus heterodon
  
  Caption: Lateral view of preserved specimen
• 
  Species:
  Astroblepus homodon
  
  Caption: Lateral view of preserved specimen
• 
  Species:
  Astroblepus marmoratus
  
  Caption: Lateral view of preserved specimen
• 
  Species:
  Astroblepus orientalis
  
  Caption: Lateral view of preserved specimen
• 
  Species:
  Astroblepus retropinnus
  
  Caption: Lateral view of preserved specimen
• 
  Species:
  Astroblepus simonsii
  
  Caption: Lateral view of preserved specimen
• 
  Species:
  Astroblepus taczanowskii
  
  Caption: Lateral view of preserved specimen
• 
  Species:
  Astroblepus vaillanti
  
  Caption: Lateral view of preserved specimen
• 
  Species:
  Astroblepus whymperi
  
  Caption: Lateral view of preserved specimen
• 
  Species:
  Ancistrus centrolepis
  
  Caption: Lateral view of preserved specimen
• 
  Species:
  Hypostomus annectens
  
  Caption: Lateral view of preserved specimen
• 
  Species:
  Neblinichthys brevibracchium
  
  Caption: Lateral view of preserved specimen
• 
  Species:
  Neblinichthys echinasus
  
  Caption: Lateral view of preserved specimen
• 
  Species:
  Otocinclus mariae
  
  Caption: Lateral view of preserved specimen
• 
  Species:
  Paralithoxus bovallii
  
  Caption: Lateral view of preserved specimen
• 
  Species:
  Peckoltia furcata
  
  Caption: Lateral view of preserved specimen
• 
  Species:
  Pseudancistrus guentheri
  
  Caption: Lateral view of preserved specimen
• 
  Species:
  Sturisomatichthys tamanae
  
  Caption: Lateral view of preserved specimen
• 
  Species:
  Synodontis zambezensis
  
  Caption: Lateral view of preserved specimen
• 
  Species:
  Leiarius perruno
  
  Caption: Lateral view of preserved specimen
• 
  Species:
  Pimelodus argenteus
  
  Caption: Lateral view of preserved specimen
• 
  Species:
  Chaetostoma tachiraense
  
  Caption: Lateral view of preserved specimen (flipped)
• 
  Species:
  Pseudomystus heokhuii
  
  Caption: Male. Lateral view of preserved specimen
• 
  Species:
  Glanidium ribeiroi
  
  Caption: Preserved specimen
• 
  Species:
  Satan eurystomus
  
  Caption: Preserved specimen
• 
  Species:
  Trogloglanis pattersoni
  
  Caption: Preserved specimen
• 
  Species:
  Pterygoplichthys multiradiatus
  
  Caption: Preserved specimen
• 
  Species:
  Lasiancistrus caucanus
  
  Caption: Preserved specimen - close-up of dorsal head view
• 
  Species:
  Glanidium ribeiroi
  
  Caption: Preserved specimen - close-up of head
• 
  Species:
  Lasiancistrus caucanus
  
  Caption: Preserved specimen - close-up of head
• 
  Species:
  Lasiancistrus caucanus
  
  Caption: Preserved specimen - Dorsal view
• 
  Species:
  Ailiichthys punctata
  
  Caption: Preserved specimen - lateral view
• 
  Species:
  Imparfinis guttatus
  
  Caption: Preserved specimen - lateral view
• 
  Species:
  Imparfinis stictonotus
  
  Caption: Preserved specimen - lateral view
• 
  Species:
  Phenacorhamdia boliviana
  
  Caption: Preserved specimen - lateral view
• 
  Species:
  Chaetostoma platyrhynchus
  
  Caption: Preserved specimen - lateral view
• 
  Species:
  Cordylancistrus torbesensis
  
  Caption: Preserved specimen - lateral view
• 
  Species:
  Hypoptopoma guianense
  
  Caption: Preserved specimen - lateral view
• 
  Species:
  Hypoptopoma gulare
  
  Caption: Preserved specimen - lateral view
• 
  Species:
  Hypoptopoma steindachneri
  
  Caption: Preserved specimen - lateral view
• 
  Species:
  Lasiancistrus caucanus
  
  Caption: Preserved specimen - lateral view
• 
  Species:
  Pseudomystus heokhuii
  
  Caption: Ventral view of preserved specimen
• 
  Species:
  Synodontis zambezensis
  
  Caption: Ventral view of preserved specimen
• 
  Species:
  Leiarius perruno
  
  Caption: Ventral view of preserved specimen