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Species: Aposturisoma myriodon Caption: Close up of dorsal view of head	Species: Synodontis granulosus Caption: Close-up dorsal view of head
Species: Peckoltia braueri Caption: Close-up dorsal view of head showing pattern variances	Species: Peckoltia braueri Caption: Close-up dorsal view of head showing pattern variances
Species: Trachelyopterus sp. (2) Caption: Close-up of dorsal view of head	Species: Chaca bankanensis Caption: Close-up of dorsal view of head
Species: Chaca chaca Caption: Close-up of dorsal view of head	Species: Dolichancistrus fuesslii Caption: Close-up of dorsal view of head
Species: Rineloricaria melini Caption: Close-up of dorsal view of head	Species: Brachyplatystoma tigrinum Caption: Close-up of dorsal view of head
Species: Breitensteinia insignis Caption: Dorsal view of head	Species: Breitensteinia insignis Caption: Dorsal view of head
Species: Cathorops aguadulce Caption: Dorsal view of head	Species: Cathorops belizensis Caption: Dorsal view of head
Species: Cathorops higuchii Caption: Dorsal view of head	Species: Cathorops kailolae Caption: Dorsal view of head
Species: Cathorops melanopus Caption: Dorsal view of head	Species: Osteogeneiosus militaris Caption: Dorsal view of head
Species: Astroblepus pholeter Caption: Dorsal view of head	Species: Trachelyopterus ceratophysus Caption: Dorsal view of head
Species: Hemibagrus olyroides Caption: Dorsal view of head	Species: Pseudomystus stenogrammus Caption: Dorsal view of head
Species: Clariallabes melas Caption: Dorsal view of head	Species: Dolichallabes microphthalmus Caption: Dorsal view of head
Species: Gymnallabes typus Caption: Dorsal view of head	Species: Gymnallabes typus Caption: Dorsal view of head
Species: Chrysichthys delhezi Caption: Dorsal view of head	Species: Chrysichthys laticeps Caption: Dorsal view of head
Species: Chrysichthys longibarbis Caption: Dorsal view of head	Species: Chrysichthys punctatus Caption: Dorsal view of head
Species: Chrysichthys thonneri Caption: Dorsal view of head	Species: Parauchenoglanis punctatus Caption: Dorsal view of head
Species: Hemidoras stenopeltis Caption: Dorsal view of head	Species: Ancistrus cryptophthalmus Caption: Dorsal view of head
Species: Ancistrus macrophthalmus Caption: Dorsal view of head	Species: Hypostomus latifrons Caption: Dorsal view of head
Species: Hypostomus sp. (L087) Caption: Dorsal view of head	Species: Loricaria luciae Caption: Dorsal view of head
Species: Loricariichthys platymetopon Caption: Dorsal view of head	Species: Peckoltia lujani Caption: Dorsal view of head
Species: Rineloricaria sp. (8) Caption: Dorsal view of head	Species: Scobinancistrus aureatus Caption: Dorsal view of head
Species: Platysilurus mucosus Caption: Dorsal view of head	Species: Platystomatichthys sturio Caption: Dorsal view of head
Species: Pseudoplatystoma reticulatum Caption: Dorsal view of head	Species: Silurus glanis Caption: Dorsal view of head
Species: Bagarius yarrelli Caption: Dorsal view of head	Species: Spectracanthicus punctatissimus Caption: L030 dorsal view of head
Species: Spectracanthicus punctatissimus Caption: L030 dorsal view of head	Species: Spectracanthicus punctatissimus Caption: L030 dorsal view of head