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528 results for “Killifish”
Figure 3 in Morphogeometric and genetic variations among North African populations of the Mediterranean killifish Aphanius fasciatus (Valenciennes, 1821) from different habitats
Figure 3. – Projection of Procrustes coordinates and scores of canonical variate on Aphanius fasciatus shape analysis (A) and comparative transformation grids (B). LM: Mellah lagoon, M: Mellah marsh, BZ: Lagoon of Bizerte, LA: Ayata Lake.
Figure 2 in Morphogeometric and genetic variations among North African populations of the Mediterranean killifish Aphanius fasciatus (Valenciennes, 1821) from different habitats
Figure 2. – Landmarks distribution on fish body of Aphanius fasciatus. 1: Eye position, 2: Dorsal opercular limit, 3: Beginning of dorsal fin, 4: End of dorsal fin, 5: Dorsal limit of caudal peduncle, 6: Median limit of caudal peduncle, 7: Ventral limit of caudal peduncle, 8: End of anal fin, 9: Beginning of anal fin, 10: Pelvic fin insertion, 11: Ventral opercula limit, 12: Dorsal limit of pectoral fin, 13: Ventral limit of pectoral fin, 14: Mouth.
Figure 1 in Morphogeometric and genetic variations among North African populations of the Mediterranean killifish Aphanius fasciatus (Valenciennes, 1821) from different habitats
Figure 1. – Map of the west Mediterranean basin with North African sample sites. 1: Mellah lagoon (LM), 2: Mellah marsh (M), 3: Lagoon of Bizerte (BZ), 4: Ayata Lake (LA).
Data accompanying Polyphenisms and polymorphisms: genetic variation in plasticity and color variation within and among bluefin killifish populations
<p>The presence of stable color polymorphisms within populations begs the question of how genetic variation is maintained. Consistent variation among populations in coloration, especially when correlated with environmental variation, raises questions about whether environmental conditions affect either the fulcrum of those balanced polymorphisms, the plastic expression of coloration, or both. Color patterns in male bluefin killifish provoke both types of questions. Red and yellow morphs are common in all populations. Blue males are more common in tannin-stained swamps relative to clear springs. Here we combined crosses with a manipulation of light to explore how genetic variation and phenotypic plasticity shape these patterns. We found that the variation in coloration is attributable mainly to two axes of variation: (1) a red-yellow axis with yellow being dominant to red, and (2) a blue axis that can override red-yellow and is controlled by genetics, phenotypic plasticity, and genetic variation for phenotypic plasticity. The variation among populations in plasticity suggests it is adaptive in some populations but not others. The variation among sires in plasticity within the swamp population suggests balancing selection may be acting not only on the red-yellow polymorphism but also on plasticity for blue coloration.</p>
FIGURE 3 in A new species of the seasonal killifish genus Moema (Cyprinodontiformes: Rivulidae) from the Piraí watershed in the Southwest Amazon basin
FIGURE 3 | Moema juanderibaensis, MNKP 16543, paratype, female, 36.1 mm SL (1 day after collection, left side), Bolivia, Santa Cruz, Santa Rosa del Sara.
FIGURE 6 in A new species of the seasonal killifish genus Moema (Cyprinodontiformes: Rivulidae) from the Piraí watershed in the Southwest Amazon basin
FIGURE 6 | Occurrence localities of Moema species in Bolivia and surroundings. Sources: Hydrologic Units from Lehner, Grill (2013); Basemap ESRI World Topo (2022).
FIGURE 2 in A new species of the seasonal killifish genus Moema (Cyprinodontiformes: Rivulidae) from the Piraí watershed in the Southwest Amazon basin
FIGURE 2 | Moema juanderibaensis, MNKP 16539, holotype, male, 41.9 mm SL (2 days after collection, right side), Bolivia, Santa Cruz, Santa Rosa del Sara.
FIGURE 4 in A new species of the seasonal killifish genus Moema (Cyprinodontiformes: Rivulidae) from the Piraí watershed in the Southwest Amazon basin
FIGURE 4 | Moema juanderibaensis, MNKP 16541, paratypes, males, 41.3–46.1 mm SL (2 days after collection, left side), Bolivia, Santa Cruz, Santa Rosa del Sara.
FIGURE 1 in A new species of the seasonal killifish genus Moema (Cyprinodontiformes: Rivulidae) from the Piraí watershed in the Southwest Amazon basin
FIGURE 1 | Moema juanderibaensis, MNKP 16539, holotype, male, 41.9 mm SL (24 days after collection, left side), Bolivia, Santa Cruz, Santa Rosa del Sara.
FIGURE 7 in A new species of the seasonal killifish genus Moema (Cyprinodontiformes: Rivulidae) from the Piraí watershed in the Southwest Amazon basin
FIGURE 7 | Moema pepotei, CAS-SU 63604, holotype, male, 45.4 mm SL, Brazil, Rondônia, Forte Príncipe da Beira (on Bolivian border). Source: CAS Ichthyology Primary Types Imagebase.
FIGURE 5 in A new species of the seasonal killifish genus Moema (Cyprinodontiformes: Rivulidae) from the Piraí watershed in the Southwest Amazon basin
FIGURE 5 | Moema juanderibaensis, MNKP 16541, paratype, male, 46.1 mm SL, Bolivia, Santa Cruz, Santa Rosa del Sara. Detail of infraorbital, preopercular and mandibular neuromast series.
Below: adult male of the same species, in full color. Both fish come from temporary ponds 50 kilometers south of Buenos Aires. Photos by Dr. Hugo P. Gastello. in Cynolebias alexandri, a new species of annual killifish from Argentina, with notes on C. bellottii
Below: adult male of the same species, in full color. Both fish come from temporary ponds 50 kilometers south of Buenos Aires. Photos by Dr. Hugo P. Gastello.
Paratype male of Cynolebias alexandri sp. nov. from Gualeguaychu, Provincia de Entre Rios, Argentina. Photo by Dr. Hugo P. Castello. in Cynolebias alexandri, a new species of annual killifish from Argentina, with notes on C. bellottii
Paratype male of Cynolebias alexandri sp. nov. from Gualeguaychu, Provincia de Entre Rios, Argentina. Photo by Dr. Hugo P. Castello.
Figure 1. – 3D in On the identity of the West African killifish Aphyosemion maeseni Poll, 1941 (Cyprinodontiformes: Aplocheilidae)
Figure 1. – 3D Microscan reconstruction of the head and anterior portion of the trunk, left lateral view. A: Holotype of Aphyosemion maeseni, MRAC P 66392, male, 37 mm of total length; B: Holotype of Nimbapanchax leucopterygius, MRAC P-66392, male, 55 mm of total length. E3, E4, epineural ribs of vertebrae 3 and 4; N2, N5, neural processes of vertebrae 2 and 5.
Figure 2. – 3D in On the identity of the West African killifish Aphyosemion maeseni Poll, 1941 (Cyprinodontiformes: Aplocheilidae)
Figure 2. – 3D Microscan reconstruction of the head and anterior portion of the trunk, ventral view. A: Holotype of Aphyosemion maeseni, MRAC P 66392, male, 37 mm total length; B: Holotype of Nimbapanchax leucopterygius, MRAC P-66392, male, 55 mm of total length. E2, epineural rib of vertebra 2.
Fig. 3 in Fig. 3 in Genetic Structure of the Mangrove Killifish Costa, 2011 (Cyprinodontiformes: Aplocheiloidei) Supports A Wide Connection among its Populations.
Fig. 3. Haplotype network of the Kryptolebias marmoratus species group. Maps represent the distribution of each group.
Fig. 2 in Fig. 3 in Genetic Structure of the Mangrove Killifish Costa, 2011 (Cyprinodontiformes: Aplocheiloidei) Supports A Wide Connection among its Populations.
Fig. 2. Distribution of K. hermaphroditus: Orange star indicates type locality; and Green circles indicate recorded localities for the species (Costa 2011; 2016; Sarmento-Soares et al. 2014; Lira et al. 2015; Berbel-Filho et al. 2016; Guimarães-Costa et al. 2017; Tatarenkov et al. 2017a; This study).
Fig. 1 in Fig. 3 in Genetic Structure of the Mangrove Killifish Costa, 2011 (Cyprinodontiformes: Aplocheiloidei) Supports A Wide Connection among its Populations.
Fig. 1. Kryptolebias hermaphroditus from Tutóia, Maranhão State, Delta do Parnaíba, north eastern Brazil; UFRJ12666: A: Hermaphrodite, 35.5 mm SL; B: Male, 20.3 mm SL; C: Male, 28.9 mm SL.
De novo transcriptome assembly from the killifish, Fundulus rathbuni (gill epithelium)
<p>De novo transcriptome assembly from the killifish, Fundulus rathbuni. Fish were acclimated to either brackish or fresh water then exposed to an acute brackish water challenge. Transcriptome data from gill epithelium tissue were collected. A reference transcriptome assembly was generated from all individuals then used to analyze transcriptional responses to salinity.</p>
Draft genome assemblies of killifish from the Fundulus genus with ONT and Illumina sequencing platforms
<p>Four species from the genus Fundulus were selected for genome sequencing to study the physiological and genetic mechanisms that diverge between euryhaline and stenohaline freshwater species within this cyprinodontiform order of ray-finned fishes.</p>
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International Brain Laboratory public data
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OpenNeuro
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