FIGURE 6. Cleithrum (Cle) and postcleithrum (Pc) for the Río Cauca species of Characidium: a.) C.... more FIGURE 6. Cleithrum (Cle) and postcleithrum (Pc) for the Río Cauca species of Characidium: a.) C. caucanum, IMCN 4529; b.) C. phoxocephalum, IMCN 4820; c.) C. chancoense, IMCN 4527, paratype; d.) C.cf. zebra, IUQ 945.
FIGURE 4. Medial view of (a.) left premaxilla and (b.) dentary of Characidium chancoense, IMCN 45... more FIGURE 4. Medial view of (a.) left premaxilla and (b.) dentary of Characidium chancoense, IMCN 4527, paratype. Scale bar: 0.2 mm.
FIGURE 2. Species of the genus Characidium present in the trans-Andean region of Colombia. a.) Ch... more FIGURE 2. Species of the genus Characidium present in the trans-Andean region of Colombia. a.) Characidium caucanum (holotype) FMNH 56057; b.) Characidium phoxocephalum (holotype), FMNH 56061; c.) C. caucanum, IUQ 563 (male); d.) C. phoxocephalum, IUQ 1250; e.) C. caucanum, IUQ 563 (female); f.) C. chancoense (holotype), IMCN 4528; g.) C. zebra (holotype), FMNH 53547; h.) C. sanctjohanni (holotype), ICN-MHN 211; i.) C. cf. zebra, SU 50391; j.). C. sanctjohanni, IMCN 8928; k.) C. cf. boavistae, UCO-P 409; l.) C. cf. boavistae, IMCN 2615.
FIGURE 1. Characidium chancoense. a.) IMCN 4528, Holotype 50.5 mm SL; Colombia, Valle del Cauca, ... more FIGURE 1. Characidium chancoense. a.) IMCN 4528, Holotype 50.5 mm SL; Colombia, Valle del Cauca, Río Chanco, tributary of Río Cauca. Scale bar: 1cm. b.) Live specimen (uncataloged).
FIGURE 8. Ancistrus martini INHS 35367 specimen, 73.2 mm SL, Taguara Creek, Santa Ana River drain... more FIGURE 8. Ancistrus martini INHS 35367 specimen, 73.2 mm SL, Taguara Creek, Santa Ana River drainage, Lake Maracaibo Basin, 51 mm SL. Photograph by Nathan K. Lujan.
FIGURE 4. Distributions of trans-Andean Ancistrus. Symbols may represent more than one collection... more FIGURE 4. Distributions of trans-Andean Ancistrus. Symbols may represent more than one collection. Open symbols indicate type localities.
FIGURE 4. A representative female (4a) and male (4b) Llanolebias stellifer (photos by Tonnie Woel... more FIGURE 4. A representative female (4a) and male (4b) Llanolebias stellifer (photos by Tonnie Woeltjes).
FIGURE 12. Geophagus winemilleri. Lower pharyngeal toothplate in occlusal view, from MCNG 12227, ... more FIGURE 12. Geophagus winemilleri. Lower pharyngeal toothplate in occlusal view, from MCNG 12227, 41.7 mm SL; scale bar 1 mm.
FIGURE 5. Geophagus abalios. Lower pharyngeal toothplate on occlusal view; from MCNG 40636, 70.5 ... more FIGURE 5. Geophagus abalios. Lower pharyngeal toothplate on occlusal view; from MCNG 40636, 70.5 mm SL; scale bar 1 mm.
FIGURE 28. Ancistrus yutajae, holotype, in dorsal, lateral, and ventral views, MCNG 7854, 82.8 mm... more FIGURE 28. Ancistrus yutajae, holotype, in dorsal, lateral, and ventral views, MCNG 7854, 82.8 mm SL. Scale = 1 cm. Photos by J.W. Armbruster.
FIGURE 26. Live coloration Ancistrus triradiatus in lateral view. Uncataloged, Quebrada Aqua Blan... more FIGURE 26. Live coloration Ancistrus triradiatus in lateral view. Uncataloged, Quebrada Aqua Blanca, río Cusiana - río Meta Draianage, 05.00656°, -072.78792°. Photo by A. Urbano-Bonilla.
FIGURE 6. Cleithrum (Cle) and postcleithrum (Pc) for the Río Cauca species of Characidium: a.) C.... more FIGURE 6. Cleithrum (Cle) and postcleithrum (Pc) for the Río Cauca species of Characidium: a.) C. caucanum, IMCN 4529; b.) C. phoxocephalum, IMCN 4820; c.) C. chancoense, IMCN 4527, paratype; d.) C.cf. zebra, IUQ 945.
FIGURE 4. Medial view of (a.) left premaxilla and (b.) dentary of Characidium chancoense, IMCN 45... more FIGURE 4. Medial view of (a.) left premaxilla and (b.) dentary of Characidium chancoense, IMCN 4527, paratype. Scale bar: 0.2 mm.
FIGURE 2. Species of the genus Characidium present in the trans-Andean region of Colombia. a.) Ch... more FIGURE 2. Species of the genus Characidium present in the trans-Andean region of Colombia. a.) Characidium caucanum (holotype) FMNH 56057; b.) Characidium phoxocephalum (holotype), FMNH 56061; c.) C. caucanum, IUQ 563 (male); d.) C. phoxocephalum, IUQ 1250; e.) C. caucanum, IUQ 563 (female); f.) C. chancoense (holotype), IMCN 4528; g.) C. zebra (holotype), FMNH 53547; h.) C. sanctjohanni (holotype), ICN-MHN 211; i.) C. cf. zebra, SU 50391; j.). C. sanctjohanni, IMCN 8928; k.) C. cf. boavistae, UCO-P 409; l.) C. cf. boavistae, IMCN 2615.
FIGURE 1. Characidium chancoense. a.) IMCN 4528, Holotype 50.5 mm SL; Colombia, Valle del Cauca, ... more FIGURE 1. Characidium chancoense. a.) IMCN 4528, Holotype 50.5 mm SL; Colombia, Valle del Cauca, Río Chanco, tributary of Río Cauca. Scale bar: 1cm. b.) Live specimen (uncataloged).
FIGURE 8. Ancistrus martini INHS 35367 specimen, 73.2 mm SL, Taguara Creek, Santa Ana River drain... more FIGURE 8. Ancistrus martini INHS 35367 specimen, 73.2 mm SL, Taguara Creek, Santa Ana River drainage, Lake Maracaibo Basin, 51 mm SL. Photograph by Nathan K. Lujan.
FIGURE 4. Distributions of trans-Andean Ancistrus. Symbols may represent more than one collection... more FIGURE 4. Distributions of trans-Andean Ancistrus. Symbols may represent more than one collection. Open symbols indicate type localities.
FIGURE 4. A representative female (4a) and male (4b) Llanolebias stellifer (photos by Tonnie Woel... more FIGURE 4. A representative female (4a) and male (4b) Llanolebias stellifer (photos by Tonnie Woeltjes).
FIGURE 12. Geophagus winemilleri. Lower pharyngeal toothplate in occlusal view, from MCNG 12227, ... more FIGURE 12. Geophagus winemilleri. Lower pharyngeal toothplate in occlusal view, from MCNG 12227, 41.7 mm SL; scale bar 1 mm.
FIGURE 5. Geophagus abalios. Lower pharyngeal toothplate on occlusal view; from MCNG 40636, 70.5 ... more FIGURE 5. Geophagus abalios. Lower pharyngeal toothplate on occlusal view; from MCNG 40636, 70.5 mm SL; scale bar 1 mm.
FIGURE 28. Ancistrus yutajae, holotype, in dorsal, lateral, and ventral views, MCNG 7854, 82.8 mm... more FIGURE 28. Ancistrus yutajae, holotype, in dorsal, lateral, and ventral views, MCNG 7854, 82.8 mm SL. Scale = 1 cm. Photos by J.W. Armbruster.
FIGURE 26. Live coloration Ancistrus triradiatus in lateral view. Uncataloged, Quebrada Aqua Blan... more FIGURE 26. Live coloration Ancistrus triradiatus in lateral view. Uncataloged, Quebrada Aqua Blanca, río Cusiana - río Meta Draianage, 05.00656°, -072.78792°. Photo by A. Urbano-Bonilla.
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