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13 results for “Achirus”
FIGURE 3 in Comparative analysis of the diet composition and its relation to morphological characteristics in Achirus mazatlanus and Syacium ovale (Pleuronectiformes: Osteichthyes) from a Mexican Pacific coastal lagoon
FIGURE 3 | Representation of selected food categories in groups defined by combinations of species and size groups. Diameters of circles proportional to square roots of percentage in weight. Am: Achirus mazatlanus; So: Syacium ovale; Numbers indicate size classes: 1 for LT <10 cm; 2 for LT ≥ 10 cm and LT ≤ 15 cm; 3 for LT> 15 cm.
FIGURE 2 in Comparative analysis of the diet composition and its relation to morphological characteristics in Achirus mazatlanus and Syacium ovale (Pleuronectiformes: Osteichthyes) from a Mexican Pacific coastal lagoon
FIGURE 2 | A. Dendrogram showing the result of numerical classification of stomach contents. B. Principal coordinate analysis plot. Vector overlay shows food categories with Spearman's correlation values of 0.5 or higher with ordination axes. Data pooled by species (Am: Achirus mazatlanus; So: Syacium ovale) and size classes (1 for LT <10 cm; 2 for LT ≥ 10 cm and LT ≤ 15 cm; 3 for LT> 15 cm).
Fig. 2 in Scientific Note Ambicoloration and morphological aberration in the sole Achirus declivis (Pleuronectiformes: Achiridae) and two other cases of color abnormalities in achirid soles from southeastern Brazil
Fig. 2. Incomplete eye rotation and incomplete development of the dorsal fin over the skull in the plainfin sole Achirus declivis (UFES 0095; 94.9 mm SL) from the Piraquê-Açú River, Espírito Santo, southeast Brazil: (a) ocular side; (b) detail of blind side of the head; (c) ocular side of the head; (d) radiograph of the head. Photographs by Raphael M. Macieira.
Fig. 1 in Scientific Note Ambicoloration and morphological aberration in the sole Achirus declivis (Pleuronectiformes: Achiridae) and two other cases of color abnormalities in achirid soles from southeastern Brazil
Fig. 1. Abnormal pigmentation patterns in the plainfin sole Achirus declivis from the Piraquê-Açú River, Espírito Santo, southeast Brazil: (a) ocular side of ambicolored 108.8 mm SL specimen (ZUEC 6274); (b) blind side of the individual represented in a; (c) ocular side of hypomelanistic specimen 119.1 mm SL (ZUEC 6275); (d) blind side of the individual represented in c. Photographs by Raphael M. Macieira.
FIGURE 1 in New species of Achirus (Pleuronectiformes: Achiridae) from Northeastern Brazil
FIGURE 1. Holotype of Achirus mucuri, UFPB 6101, 90.3 mm SL from the Mucury River estuary, Bahia, Brazil.
FIGURE 2 in New species of Achirus (Pleuronectiformes: Achiridae) from Northeastern Brazil
FIGURE 2. Schematic drawing of eyed-side lateral view of head showing internal features of branchial chamber in A. mucuri (a) and A. lineatus (b), and external latero-sensory cephalic canal pattern related to main external features of head, plus anterior part of trunk lateral line in A. mucuri (c) and A. novoae (d). Canal names: 1, pterotic + preopercular + mandibular; 2, extrascapular; 3, trunk lateral line; 4, supratemporal; 5, supraorbital; 6, epiphyseal branch of supraorbital; nasal not represented; arrows indicate distal end of infraorbital canal. For more details see Ramos (2003, Fig. 1).
FIGURE 3 in New species of Achirus (Pleuronectiformes: Achiridae) from Northeastern Brazil
FIGURE 3. Schematic drawing of: individual eyed-side lower-lip fimbriae of A. mucuri (individualized: a, b) and A. novoae (a set: c); blind-side posterior nostril A. mucuri (d, e); achirids' typical cirri (f) and fringes (g–i); blind-side lateral view of neurocranium of A. mucuri (j) and A. lineatus (k); blind-side lateral view of caudal skeleton of A. mucuri (l) and A. lineatus (m).
FIGURE 6 in Comparative analysis of the diet composition and its relation to morphological characteristics in Achirus mazatlanus and Syacium ovale (Pleuronectiformes: Osteichthyes) from a Mexican Pacific coastal lagoon
FIGURE 6 | Boxplots of total lengths of prey fishes found in stomachs of two species of flatfishes. Horizontal lines inside the boxes are medians; boxes heights indicate inter-quartile (25%-75%) intervals; vertical lines indicate ranges (min-max). Data pooled by species (Am: Achirus mazatlanus; So: Syacium ovale) and size classes (1: <10 cm TL; 2: ≥ 10 and ≤ 15 cm TL; 3:> 15 cm TL).
FIGURE 4 in Comparative analysis of the diet composition and its relation to morphological characteristics in Achirus mazatlanus and Syacium ovale (Pleuronectiformes: Osteichthyes) from a Mexican Pacific coastal lagoon
FIGURE 4 | Estimated values of Smith´s index of niche breadth and 95% confidence intervals (vertical lines). Data pooled by species (Achmaz: Achirus mazatlanus; Syaova: Syacium ovale) and size classes (1: <10 cm TL; 2: ≥ 10 and ≤ 15 cm TL; 3:> 15 cm TL).
FIGURE 1 in Comparative analysis of the diet composition and its relation to morphological characteristics in Achirus mazatlanus and Syacium ovale (Pleuronectiformes: Osteichthyes) from a Mexican Pacific coastal lagoon
FIGURE 1 | Cumulative curves of food items diversity (Shannon´s index). Achmaz: Achirus mazatlanus; Syaova: Syacium ovale; Numbers indicate size classes: 1 for LT <10 cm; 2 for LT ≥ 10 cm and LT ≤ 15 cm; 3 for LT> 15 cm. Dashed lines indicate the interval H´max ± 0.05*H´max.
FIGURE 19. Achirus fluviatilis. Paratype ZIN 55534 in Annotated catalogue of type specimens of flatfishes (Osteichthyes: Pleuronectiformes) in the Zoological Institute, St. Petersburg, Russia
FIGURE 19. Achirus fluviatilis. Paratype ZIN 55534, photo—(A) and radiograph (B).
FIGURE 19. Achirus novoae, ROM 88856, 57.1 in Annotated list and key to the stream fishes of Trinidad & Tobago
FIGURE 19. Achirus novoae, ROM 88856, 57.1 mm SL, Chatham River, Trinidad.
FIGURE 5 in Comparative analysis of the diet composition and its relation to morphological characteristics in Achirus mazatlanus and Syacium ovale (Pleuronectiformes: Osteichthyes) from a Mexican Pacific coastal lagoon
FIGURE 5 | Scatterplot of prey size vs. fish size for two species of flatfishes.
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