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956 results for “Cichlidae”
FIGURE 2 in Geophagus abalios, G. dicrozoster and G. winemilleri (Perciformes: Cichlidae), three new species from Venezuela
FIGURE 2. Diagrammatic representation of preopercular markings and lateral bars distinguishing Geophagus species within the G. surinamensis complex. a, G. dicrozoster, n. sp.; b, G. abalios n. sp.; c, G. winemilleri n. sp.; d, G. brokopondo; e, G. brachybranchus; f, G. s u r i n a m e n s i s; g, G. proximus; h, G. megasema; i, G. camopiensis, and j, G. altifrons. Preopercular markings are visible in both live and preserved individuals; lateral bar patterns are generally visible only in preserved specimens.
FIGURE 6 in A new and presumably extinct species of Ptychochromoides (Teleostei: Perciformes: Cichlidae) from central Madagascar
FIGURE 6. Ptychochromoides vondrozo, holotype, UMMZ 235297, adult female, 182.0 mm SL; Madagascar: Fianarantsoa Province: Ramanara River. Right side illustrated due to distortion of specimen (image reversed). Photograph by Heok Hee Ng.
FIGURE 4 in A new and presumably extinct species of Ptychochromoides (Teleostei: Perciformes: Cichlidae) from central Madagascar
FIGURE 4. Ptychochromoides betsileanus, lectotype, BMNH 1882.2.25: 69, adult male, 159.6 mm SL; Madagascar: Betsileo region. Right side illustrated due to damage to left side (image reversed).
Fig. 2 in Feeding strategy of the introduced Astronotus crassipinnis (Cichlidae) in upper Paraná river floodplain
Fig. 2. Ordination by principal coordinate analysis (PCoA) of the food items for the size classes of Astronotus crassipinnis (Heckel, 1840) along the upper Paraná River floodplain. Axis 1 separated the diet of Class I (spheres on the right) from the other two classes (square and diamond in the left, with little variability) (Chiro, Chironomidae larvae; Ostra, Ostracoda; Ephe, Ephemeroptera).
Fig. 3 in Feeding strategy of the introduced Astronotus crassipinnis (Cichlidae) in upper Paraná river floodplain
Fig. 3. Boxplot of the predation rate of Astronotus crassipinnis (Heckel, 1840) (introduced species) and Hoplias sp. 2 (native species) in relation to prey type Moenkhausia sanctafilomenae (Steindachner, 1907) (Fish) and Macrobrachium amazonicum (Heller, 1862) (Shrimp).
Fig. 5. Mean Gonadosomatic Index for C in Color pattern variation in Cichla temensis (Perciformes: Cichlidae): Resolution based on morphological, molecular, and reproductive data
Fig. 5. Mean Gonadosomatic Index for C. temensis variants grouped by CPV grade. a) Females from the Igapó Açú (Region 1). b) Females from the rio Caures (Region 2). c) Males from the Igapó Açú region. d) Males from the rio Caures. A significant correlation between GSI and CPV Grade was found for males and females in both collecting regions, p <.01 for a, b, d, and d.
Fig. 4 in Color pattern variation in Cichla temensis (Perciformes: Cichlidae): Resolution based on morphological, molecular, and reproductive data
Fig. 4. Maximum-likelihood phylogeny of 50 sequences sampled from the paca and açu variants of Cichla temensis (Genbank accession numbers HQ230011 - HQ230016) The phylogeny was rooted a posteriori with Cichla species of the clade A (sensu Willis et al. 2010) (GU295691- GU295704). The scale represents an HKY85 genetic distance.
Fig. 3. a in Color pattern variation in Cichla temensis (Perciformes: Cichlidae): Resolution based on morphological, molecular, and reproductive data
Fig. 3. a) Mean (± SEM) lateral line scale counts for C. temensis, C. monoculus, and C. orinocensis. ANOVA showed no significant differences among the C. temensis variants but revealed significant differences interspecifically. Post hoc t tests (horizontal starred bar) revealed that all species were significantly different, p <0.0001*. b) Mean (± SEM) body depth to Standard Length ratio (adjusted for gonad size differential) for C. temensis, C. monoculus, and C. orinocensis. ANOVA showed no significant differences among the C. temensis variants but revealed significant differences interspecifically. Post hoc t tests (horizontal starred bar) revealed that all C. temensis were significantly different from both sympatric species, p <0.0001*.
Fig. 2 in Color pattern variation in Cichla temensis (Perciformes: Cichlidae): Resolution based on morphological, molecular, and reproductive data
Fig. 2. Collecting regions in two cyclically flooding drainages in the rio Amazon basin. Region 1, the Igapó-Açu region, a blackwater tributary complex of the rio Madeira, provided specimens of C. temensis and C. monoculus. Region 2, the rio Caures, a blackwater tributary of the rio Negro, provided specimens of C. temensis and C. orinocensis.
Fig. 1 in Diet and food consumption of the pearl cichlid Geophagus brasiliensis (Teleostei: Cichlidae): relationships with gender and sexual maturity
Fig. 1. Coastal plain of Rio Grande do Sul in southern Brazil showing the Patos-Mirim lagoon complex (a) and the location of the four sampling sites where the specimens of the pearl cichlid Geophagus brasiliensis were collected (b).
Fig. 3. a in Diet and food consumption of the pearl cichlid Geophagus brasiliensis (Teleostei: Cichlidae): relationships with gender and sexual maturity
Fig. 3. a: Percentage of empty stomachs (PES) according to sexual maturity (immature and mature) and gender (female and male). b: Mean values (+ standard error) of the total food content expressed in volume (log10(x+1) transformed) in the digestive tract of the pearl cichlid Geophagus brasiliensis.
Fig. 2 in Diet and food consumption of the pearl cichlid Geophagus brasiliensis (Teleostei: Cichlidae): relationships with gender and sexual maturity
Fig. 2. Volume (%, black bars) and frequency of occurrence (%, gray bars) of the main food categories found in the digestive tracts of the pearl cichlid Geophagus brasiliensis.
Fig. 5 in Weight-length relationship, condition factor and blood parameters of farmed Cichla temensis Humboldt, 1821 (Cichlidae) in central Amazon
Fig. 5. Blood cells in tucunaré C. temensis stained by MGGW. A - Erythrocytes, B - Polychromatic erythroblasts, C - Neutrophil, D - Monocyte, E - Lymphocyte, and F - Thrombocytes. Scale bars = 5 μm.
Fig. 3 in Weight-length relationship, condition factor and blood parameters of farmed Cichla temensis Humboldt, 1821 (Cichlidae) in central Amazon
Fig. 3. Relationshipbetweenhematocritandredbloodcells (r = 0.950; p<0.001) in C. temensis (n = 40) farmed in central Amazon.
Fig. 4 in Weight-length relationship, condition factor and blood parameters of farmed Cichla temensis Humboldt, 1821 (Cichlidae) in central Amazon
Fig. 4. Relationship between hematocrit and hemoglobin concentration (r = 0.860; p<0.001) in C. temensis (n = 40) farmed in central Amazon.
Fig. 38. Haplochromis squamipinnis Regan, 1921 in From a pair to a dozen: the piscivorous species of Haplochromis (Cichlidae) from the Lake Edward system
Fig. 38. Haplochromis squamipinnis Regan, 1921, holotype, ♀, 136.9 mm SL (NHMUK 1914.4.8.32). Drawn by N. Vranken.
Fig. 37 in From a pair to a dozen: the piscivorous species of Haplochromis (Cichlidae) from the Lake Edward system
Fig. 37. Haplochromis quasimodo sp. nov. (RMCA 2018.008.P.0337; 126.2 mm SL). a. Dorsal view of the lower pharyngeal jaw. b. Lateral view of the lower pharyngeal jaw.
Fig. 39. Haplochromis squamipinnis Regan, 1921. a in From a pair to a dozen: the piscivorous species of Haplochromis (Cichlidae) from the Lake Edward system
Fig. 39. Haplochromis squamipinnis Regan, 1921. a. Photograph of preserved holotype (NHMUK 1914.4.8.32; 136.9 mm SL). b. X-ray image of holotype. c–d. Photographs of freshly caught specimens. c. Dominant male (RMCA 2016.035.P.0250; 169.7 mm SL). d. Female (RMCA 2016.035.P(HP823); 129.6 mm SL) to illustrate the live colour patterns. The contrast was slightly enhanced.
Fig. 36. Haplochromis quasimodosp. nov. a in From a pair to a dozen: the piscivorous species of Haplochromis (Cichlidae) from the Lake Edward system
Fig. 36. Haplochromis quasimodosp. nov. a. Photograph of preserved holotype (RMCA 2018.008.P.0336; 120.4 mm SL). b. X-ray image of holotype. c–d. Photographs of freshly caught specimens. c. Dominant male (RMCA 2018.008.P(HP3072); 123.7 mm SL). d. Female (RMCA 2018.008.P(HP3064); 116.6 mm SL) to illustrate the live colour patterns. The contrast was slightly enhanced.
Fig. 35 in From a pair to a dozen: the piscivorous species of Haplochromis (Cichlidae) from the Lake Edward system
Fig. 35. Haplochromis quasimodo sp. nov., holotype, ♂, 120.4 mm SL (RMCA 2018.008.P.0336). Drawn by N. Vranken.
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