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13 results for “Melanotaenia”
Fig. 5 in The opportunistic feeding and reproduction strategies of the annual fish Cynopoecilus melanotaenia (Cyprinodontiformes: Rivulidae) inhabiting ephemeral habitats on southern Brazil
Fig. 5. Individuals of Cynopoecilus melanotaenia grouped by frequencies (%) of distribution of oocyte diameters (μm), from wetlands between São Gonçalo channel and Pelotas stream, during May and June 2005, and September 2006. Arrows indicate the size in which the oocytes become mature.
Fig. 3 in The opportunistic feeding and reproduction strategies of the annual fish Cynopoecilus melanotaenia (Cyprinodontiformes: Rivulidae) inhabiting ephemeral habitats on southern Brazil
Fig. 3. Diet of males (a) and females (b) of Cynopoecilus melanotaenia from wetlands between São Gonçalo channel and Pelotas stream, during May and June 2005, and September 2006, according to the frequency of occurrence and dominance of food items.
Fig. 2 in The opportunistic feeding and reproduction strategies of the annual fish Cynopoecilus melanotaenia (Cyprinodontiformes: Rivulidae) inhabiting ephemeral habitats on southern Brazil
Fig. 2. Average, standard error and confidence interval (95%) for the lengths of males and females of Cynopoecilus melanotaenia from wetlands between São Gonçalo channel and Pelotas stream, during May and June 2005, and September 2006.
Fig. 1 in The opportunistic feeding and reproduction strategies of the annual fish Cynopoecilus melanotaenia (Cyprinodontiformes: Rivulidae) inhabiting ephemeral habitats on southern Brazil
Fig. 1. Map of study area showing sampling location for Cynopoecilus melanotaenia between the São Gonçalo channel and Pelotas stream, State of Rio Grande do Sul (RS), Brazil.
Fig. 4 in The opportunistic feeding and reproduction strategies of the annual fish Cynopoecilus melanotaenia (Cyprinodontiformes: Rivulidae) inhabiting ephemeral habitats on southern Brazil
Fig. 4. Linear regressions between total length (TL) and total weight (TW) of males (open symbol, dotted line) and females (black symbol, solid line) of Cynopoecilus melanotaenia from wetlands between São Gonçalo channel and Pelotas stream, during May and June 2005, and September 2006. ln (TW) = 2.63 ln (TL) - males 10.41, R2 = 0.82; ln (TW) = 3.92 ln (TL) - 14.49, R2 = 0.87.
Dataset of papers Effects of Salinity on the Formation of Rainbow Fish Embryos (Melanotaenia Parva): A Systematic Review
<p>This is the dataset of the study. It consist:</p> <p>1. PRISMA checklist</p> <p>2. List of sample papers from Pubmed using for this study </p> <p>3. List of figures </p>
Data from: Crimson spotted rainbowfish (Melanotaenia duboulayi) change their spatial position according to nutritional requirement
Decision making in moving animal groups has been shown to be disproportionately influenced by individuals at the front of groups. Therefore, an explanation of state-dependent positioning of individuals within animal groups may provide a mechanism for group movement decisions. Nutritional state is dynamic and can differ between members of the same group. It is also known to drive animal movement decisions. Therefore, we assayed 6 groups of 8 rainbowfish foraging in a flow tank. Half of the fish had been starved for 24h and half had been fed 1h prior to experimental start. Groups were assayed again one week later but individuals were allocated to the opposite nutritional treatment. During the assay the positions of individually identified fish were recorded as were the number of food items they each ate and the position within the group they acquired them from. Food-deprived fish were more often found towards the front of the shoal; the mean weighted positional score of food-deprived fish was significantly larger than that of well-fed fish. Individuals were not consistent in their position within a shoal between treatments. There was a significant positive correlation between mean weighted positional score and number of food items acquired which displays an obvious benefit to front positions. These results suggest that positional preferences are based on nutritional state and provide a mechanism for state-dependent influence on group decision-making as well as increasing our understanding of what factors are important for group functioning.
Melanotaenia mubiensis SPAdes preassembly
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Melanotaenia mubiensis decontaminated FSCR
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Melanotaenia mubiensis decontaminated gx
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FIGURE 2. Ordination analyses for Melanotaenia maccullochi s.l in Two new species of dwarf rainbowfishes (Atheriniformes: Melanotaeniidae) from northern Australia and southern New Guinea
FIGURE 2. Ordination analyses for Melanotaenia maccullochi s.l. individuals in the first two dimensions by genotype showing northeast Queensland (red circles), Sahul Shelf drainages (green squares) and Northern Territory (yellow triangles) for (A) PCoA of nuclear genetic markers based on 68 ingroup fish and 55 allozyme loci, including the number of pairwise fixed differences (FD) among taxa (35% and 23% of multivariate variation on dimensions 1 and 2 respectively), (B) PCA of meristic data based on 115 fish and 15 variable characters; group centroids shown by small black circles; correlations between data and character variables shown with eigenvectors, codes match Table 4 (25% and 13% variation), and (C) PCA of morphometric data based on 114 fish and 21 characters; centroids small black circles; eigenvector codes match Table 5 (19% and 16% variation).
Data from: Crimson spotted rainbowfish (Melanotaenia duboulayi) change their spatial position according to nutritional requirement
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FIGURE 3. Nuclear and mitochondrial phylogenetic trees for Melanotaenia maccullochi s.l in Two new species of dwarf rainbowfishes (Atheriniformes: Melanotaeniidae) from northern Australia and southern New Guinea
FIGURE 3. Nuclear and mitochondrial phylogenetic trees for Melanotaenia maccullochi s.l.: (A) unrooted NJ tree based on pairwise Nei D's among all 13 sites analysed in the allozyme study, and (B) ML tree for 1141bp of cytochrome b. Population and taxon codes match Figure 1 and Table 1. NEQ = northeast Queensland, NT = Northern Territory. Another member of the 'maccullochi species group' occurring in near sympatry with M. maccullochi in the Fly River system, M. sexlineata, is included for reference.
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