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112 results for “Ancistrus”
FIGURE 3 in Ancistrus falconensis n. sp. and A. gymnorhynchus Kner (Siluriformes: Loricariidae) from central Venezuelan Caribbean coastal streams
FIGURE 3. Holotype of Ancistrus falconensis n. sp. MCNG 56067.
FIGURE 12 in Trans-Andean Ancistrus (Siluriformes: Loricariidae)
FIGURE 12. Holotype of Ancistrus vericaucanus, MPUJ 6020 (72.1 mm SL).
FIGURE 3 in Trans-Andean Ancistrus (Siluriformes: Loricariidae)
FIGURE 3. Diagnostic biplots for species of Ancistrus.
FIGURE 5. Ancistrus centrolepis IMCN 1445 in Trans-Andean Ancistrus (Siluriformes: Loricariidae)
FIGURE 5. Ancistrus centrolepis IMCN 1445 Río San Juan, Colombia (type locality).
Figure 2 from: Mattos TM, Carvalho DR, de Brito MS, Araújo FG (2018) Occurrence of phoresy between Ancistrus multispinis (Actinopterygii: Siluriformes) and Ichthyocladius sp. (Diptera: Chironomidae) in Atlantic forest streams, Southeastern Brazil. Zoologia 35: 1-6. https://doi.org/10.3897/zoologia.35.e13255
Figure 2 Larvae of Ichthyocladius sp. attached to a distal part of the abdomen (proleg) to a spicule on the pectoral fin of Ancistrus multispinis. Scale bars: 1 mm.
Figure 1 from: Mattos TM, Carvalho DR, de Brito MS, Araújo FG (2018) Occurrence of phoresy between Ancistrus multispinis (Actinopterygii: Siluriformes) and Ichthyocladius sp. (Diptera: Chironomidae) in Atlantic forest streams, Southeastern Brazil. Zoologia 35: 1-6. https://doi.org/10.3897/zoologia.35.e13255
Figure 1 Ancistrus multispinis (95.8 mm standard length and 9.4 g weight) in three views: lateral, upper and ventral.
Fig. 1 in Histochemistry and functional organization of the dorsal skin of Ancistrus dolichopterus (Siluriformes: Loricariidae)
Fig. 1. Skin of Ancistrus dolichopterus. A) Epidermis (Ep) and thick dermis (De) of A. dolichopterus showing stratum laxum (SL) and stratum compactum (SC), note also the hollow osteoderm and the denticle (HE). Scale bar = 100 mm. B) Denticle at higher magnification. (PAS) Scale bar = 10 mm. C) Denticles with pointed crown and broad basal parts. The narrow pedestal basal part fit in the cup shaped structure of dermal osteoderm (arrows). The dentine surrounds the pulp cavity, filled with cells and connective tissue, and covered by a thin enamel layer. The osteoderm is connected with the denticles with attachment fibers (small arrows). (HE) Scale bar = 20 mm. D) Epidermis showing epithelial cells distributed in different layers, low columnar cells in basal, polygonal in the middle and flat cells in the superficial layer. Spherical eosinophilic granular cells (arrows) with granular cytoplasmic contents and eccentric nucleus. Note the pigment cells with dark brown coarse granules (*) in a continuous layer below the basement membrane (HE). Scale bar = 10 mm. E) General glycoproteins in the epidermis. The mucous cell (*) and EGCs (arrows) stain very strong while epithelial cells located in superficial and outer middle layers stain moderately (AB/PAS). Scale bar = 10 mm. F) A pear shaped taste bud (arrow) (AB/PAS) Scale bar = 10 mm.
Fig. 2. Ancistrus verecundus, MCP 35572 in Two new Amazonian species of armored catfishes (Siluriformes: Loricariidae): Ancistrus verecundus and Ancistrus parecis
Fig. 2. Ancistrus verecundus, MCP 35572, holotype, male, 53.7 mm SL; igarapé Piracolina, upper rio Madeira basin, Vilhena, Rondônia, Brazil.
FIGURE 14. Ancistrus maracasae, ROM 88768, 97 in Annotated list and key to the stream fishes of Trinidad & Tobago
FIGURE 14. Ancistrus maracasae, ROM 88768, 97 mm SL, Maracas River, Trinidad.
FIGURE 12 in Review of Ancistrus (Siluriformes: Loricariidae) from the northwestern Guiana Shield, Orinoco Andes, and adjacent basins with description of six new species
FIGURE 12. Live coloration of the holotype of Ancistrus leoni in dorsal and lateral views, MCNG 53811, 81.6 mm SL. Scale = 1 cm. Photos by N.K. Lujan.
FIGURE 4 in Review of Ancistrus (Siluriformes: Loricariidae) from the northwestern Guiana Shield, Orinoco Andes, and adjacent basins with description of six new species
FIGURE 4. Maximum Likelihood (ML) tree based on model HKY85 as selected by JModeltest and from RAxML analysis. Constructed from 969bp aligned sites of Cyt b for 34 taxa of Ancistrus from northwestern Guiana Shield.
FIGURE 3 in Review of Ancistrus (Siluriformes: Loricariidae) from the northwestern Guiana Shield, Orinoco Andes, and adjacent basins with description of six new species
FIGURE 3. Dentary Length vs. Cleithral Width for species of the A. triradiatus group.
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