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10 results for “Acanthicus”
FIGURE 6 in Redescription of Acanthicus hystrix Agassiz, 1829 (Siluriformes: Loricariidae), with comments on the systematics and distribution of the genus
FIGURE 6. Distribution of the genus Acanthicus: A. hystrix (red circles) and A. adonis (black triangle; white triangle represents the holotype).
FIGURE 4 in Redescription of Acanthicus hystrix Agassiz, 1829 (Siluriformes: Loricariidae), with comments on the systematics and distribution of the genus
FIGURE 4. Live specimen of Acanthicus hystrix from rio Xingu, MZUSP 107203, 81.5 mm SL. Photograph by Osvaldo Oyakawa.
FIGURE 3 in Redescription of Acanthicus hystrix Agassiz, 1829 (Siluriformes: Loricariidae), with comments on the systematics and distribution of the genus
FIGURE 3. Dorsal and ventral view of the cranium in Megalancistrus parananus, MZUSP 4434, 249.9 mm CP.
FIGURE 1 in Redescription of Acanthicus hystrix Agassiz, 1829 (Siluriformes: Loricariidae), with comments on the systematics and distribution of the genus
FIGURE 1. Illustration of Acanthicus hystrix from the original description by Agassiz in Spix and Agassiz, 1829.
FIGURE 7 in Redescription of Acanthicus hystrix Agassiz, 1829 (Siluriformes: Loricariidae), with comments on the systematics and distribution of the genus
FIGURE 7. Results of principal components analysis (PCA) of subpopulations of Acanthicus hystrix. Black circle: Amazon (rio Purus); cross: Amazon (rio Solimões); square: rio Tocantins; asterisk: Roraima (rios Branco and Takutu); diamond: rio Xingu and triangle: Venezuela (rio Orinoco). Most strongly weighted characters show along axes.
FIGURE 5 in Redescription of Acanthicus hystrix Agassiz, 1829 (Siluriformes: Loricariidae), with comments on the systematics and distribution of the genus
FIGURE 5. Live specimen of Acanthicus adonis (probably from Peru). Photograph by Erlend Bertelsen.
FIGURE 2 in Redescription of Acanthicus hystrix Agassiz, 1829 (Siluriformes: Loricariidae), with comments on the systematics and distribution of the genus
FIGURE 2. Dorsal and ventral view of the cranium in Acanthicus hystrix, MZUSP 34244, 174.6 mm SL.
FIGURE 2 in First fossil of the Giant Armored Catfish Acanthicus (Siluriformes, Loricariidae) from the Late Miocene of Entre Ríos Province, Argentina
FIGURE 2. Acanthicus sp. MACN Pv-16105, partial skull table composed of the parieto-supraoccipital, and incomplete sphenotic and frontal bones in A, B, dorsal, C, ventral, D, left lateral, and E, right lateral views. Scale bar equals 1 cm.
FIGURE 1 in First fossil of the Giant Armored Catfish Acanthicus (Siluriformes, Loricariidae) from the Late Miocene of Entre Ríos Province, Argentina
FIGURE 1. Map showing the distribution of extant species of the genus Acanthicus. The star indicates the fossiliferous locality of Paraná, Entre Ríos province, Argentina; Ituzaingó Formation, Late Miocene.
FIGURE 3 in First fossil of the Giant Armored Catfish Acanthicus (Siluriformes, Loricariidae) from the Late Miocene of Entre Ríos Province, Argentina
FIGURE 3. Acanthicus sp. MACN Pv-13307, posterior half of a parieto-supraoccipital bone in A dorsal, B ventral, and C anterior views; D-G, MACN Pv-16070, three incomplete compound pterotic bones D, indeterminate side, E,F, left side, and G, right side in D-E,G, dorsal, and F, ventral views; H-I, right frontal in H dorsal, and I ventral views. Scale bar equals 1 cm.
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