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Fig. 3 in On the origin and diversification of Venezuelan freshwater fishes: the genus Gephyrocharax (Ostariophysi: Characidae) a case study

Fig. 3. Scheme for the possible origin of the species of Gephyrocharax in Venezuela. Hypothesized changes in the course of the Orinoco River in Venezuela and how they may have influenced the formation of major watersheds within the country follow Rod (1981), Díaz de Gamero (1996), and Lundberg et al. (1998). Major river basins in Venezuela are depicted in Fig. 1. (*) indicates simpatry.

Fig. 2 in On the origin and diversification of Venezuelan freshwater fishes: the genus Gephyrocharax (Ostariophysi: Characidae) a case study

Fig. 2. Phylogenetic approach for the three species of Gephyrocharax in Venezuela. Corynopoma riisei is included as the external group (Names in bold denote major river basins referred to in the text).

Fig. 1. a in On the origin and diversification of Venezuelan freshwater fishes: the genus Gephyrocharax (Ostariophysi: Characidae) a case study

Fig. 1. a. Geographical distribution of species of Gephyrocharax. b. Sampling sites for Gephyrocharax and Corynopoma riisei in Venezuela. 1. La Pedregosa River, Machango River basin, Zulia State. 2. Meachiche River, Falcón State. 3. Aroa River, km 26, Palma Sola, Falcón State. 4. Las Peñas de Taría River, Yaracuy River basin, Yaracuy State. 5. Alpargatón River, Urama River basin, Carabobo State. 6. La Cumaca River, San Diego River basin, Carabobo State. 7. La Maleja creek, Guapo River basin, Miranda State. 8. Pao River, Orinoco River basin, Anzoátegui State. In sites 3 and 4 G. venezuelae and G. valencia occur sympatrically. Limits between major river basins (Lake Maracaibo, Caribe, Paria, and Orinoco) follow Mago-Leccia (1970) and are indicated with a solid line.

opencc-by-4.0Jun 2013View details →

Fig. 2. A in Invasion risks posed by ornamental freshwater fish trade to southeastern Brazilian rivers

Fig. 2. A model describing the invasion stages that species must pass in order to represent an invasion risk for rivers in Minas Gerais State, Brazil.

Fig. 3 in Physiological effects of gasoline on the freshwater fish Prochilodus lineatus (Characiformes: Prochilodontidae)

Fig. 3. Plasma osmolarity (a) and concentrations of Na+ (b), K+ (c) and Cl- (d) of Prochilodus lineatus exposed to WSFG (EXP) or only to water (CTR) for 6, 24 and 96h. Data are means ± SEM (n = 10-13), asterisks indicate different from respective control (P <0.05).

Fig. 4 in Physiological effects of gasoline on the freshwater fish Prochilodus lineatus (Characiformes: Prochilodontidae)

Fig. 4. Immunohistochemistry location of the Na+/K+- ATPase enzyme in the chloride cells (CC) of P. lineatus exposed to only to water (a) or WSFG (b) for 24h. Original magnification: 400 X.

Fig. 5 in Physiological effects of gasoline on the freshwater fish Prochilodus lineatus (Characiformes: Prochilodontidae)

Fig. 5. Density of chloride cells (CCmm-1) in the lamellar and lamental regions of the gills of Prochilodus lineatus exposed to WSFG (EXP) for 6, 24 and 96h. The results obtained for control groups at each experimental period were pooled together (CTR). Data are means ± SEM (n = 10-13), asterisks indicate number of total CC different from CTR group; number sign indicate number of lamellar CC different from CTR group (P <0.05).

opencc-by-4.0Dec 2015View details →

Fig. 2 in Microhabitat Preference And Relationships B E T W E E N M E Ta Z O A N Pa R A S I T E S O N T H E G I L L A P Pa R At U S O F T H E E U R O P E A N E E L (A N G U I L L A Anguilla) From Freshwaters Of Latvia

Fig. 2. The metazoan parasite prevalence in different gill area of European eel Anguilla anguilla from freshwater bodies of Latvia. A – Pseudodactylogyrus bini; B – Pseudodactylogyrus anguillae; C – Ergasilus sieboldi; D – Anodonta sp.

Fig. 4 in A comparative analysis of freshwater testate amoebae species composition between the south-eastern part of Azerbaijan and other regions of Azerbaijan

Fig. 4. Electron microphotos of new species and subspecies of testate amoebae for the fauna of Caucasus: 1 — Difflugia petricola Cash, 1909; 2 — D. microclaviformis Ogden, 1983; 3 — D. biconcava Ertl, 1964; 4 — D.corona ssp. tuberculata Vucetich, 1973; 5 — Arcella discoides ssp. scutelliformis Playfair, 1918 Рис. 4. ЭΛектронные микрофотографии новых ΑΛя фауны Кавказа виΑов и поΑвиΑов раковинных амеб: 1 — Difflugia petricola Cash, 1909; 2 — D. microclaviformis Ogden, 1983; 3 — D. biconcava Ertl, 1964; 4 — D. corona ssp. tuberculata Vucetich, 1973; 5 — Arcella discoides ssp. scutelliformis Playfair, 1918

Fig. 3 in A comparative analysis of freshwater testate amoebae species composition between the south-eastern part of Azerbaijan and other regions of Azerbaijan

Fig. 3. Cluster analysis of the faunistic similarity of testate amoebae in different parts of South-Eastern Azerbaijan Рис. 3. КΛастерный анаΛиз фаунистического схоΑства раковинных амеб в разных реги- онах юго-восточного АзербайΑжана

Fig. 2 in A comparative analysis of freshwater testate amoebae species composition between the south-eastern part of Azerbaijan and other regions of Azerbaijan

Fig. 2. Cluster analysis of faunistic similarity of testate amoebae of different regions of Azerbaijan (the results of Bray-Curtis analysis) Рис. 2. КΛастерный анаΛиз фаунистического схоΑства раковинных амеб разных регионов АзербайΑжана (резуΛьтаты анаΛиза Брея — Кертиса)

Fig. 1 in A comparative analysis of freshwater testate amoebae species composition between the south-eastern part of Azerbaijan and other regions of Azerbaijan

Fig. 1. Location of sampling points: 1 — south-eastern part of Azerbaijan (Lankaran natural area); 2 — Absheron peninsula; 3 — north-eastern part of Azerbaijan (Khachmaz district); 4 — western part of Azerbaijan (Goygol); 5 — Nakhichevan Autonomous Republic

opencc-by-4.0Sep 2010View details →

Fig. 2 in An illustrated key to the Bulgarian freshwater crayfish species of family Astacidae (Crustacea: Decapoda)

Fig. 2. Astacus leptodactylus: a/ spines behind cervical groove; b/ rostrum; c/ abdominal pleura 2-4; d/ second gonopod with talon.

opencc-by-4.0Sep 2010View details →

Fig. 3 in An illustrated key to the Bulgarian freshwater crayfish species of family Astacidae (Crustacea: Decapoda)

Fig. 3. Astacus astacus: a/ spines behind cervical groove; b/ rostrum; c/ abdominal pleura 2-4; d/ second gonopod.

Fig. 13 in Redescription of Astyanax obscurus (Hensel, 1870) and A. laticeps (Cope, 1894) (Teleostei: Characidae): two valid freshwater species originally described from rivers of Southern Brazil

Fig. 13. Projection of individual scores in the space of first and second Principal Component axis for the populations of females of Astyanax laticeps.

Fig. 12 in Redescription of Astyanax obscurus (Hensel, 1870) and A. laticeps (Cope, 1894) (Teleostei: Characidae): two valid freshwater species originally described from rivers of Southern Brazil

Fig. 12. Projection of individual scores in the space of first and third Principal Component axis for the populations of males and females of Astyanax laticeps.

Fig. 10 in Redescription of Astyanax obscurus (Hensel, 1870) and A. laticeps (Cope, 1894) (Teleostei: Characidae): two valid freshwater species originally described from rivers of Southern Brazil

Fig. 10. Tukey box plots of number of scales around the caudal peduncle in Astyanax laticeps populations by river drainage from south to north. Mean represented by thick vertical bar and 25th and 75th percetiles as lateral borders of box plots.

Fig. 9 in Redescription of Astyanax obscurus (Hensel, 1870) and A. laticeps (Cope, 1894) (Teleostei: Characidae): two valid freshwater species originally described from rivers of Southern Brazil

Fig. 9. Tukey box plots of number of perforated scales of lateral line in Astyanax laticeps populations by river drainage from south to north. Mean represented by thick vertical bar and 25th and 75th percetiles as lateral borders of box plots.

Fig. 8. Astyanax laticeps, UFRGS 4576 in Redescription of Astyanax obscurus (Hensel, 1870) and A. laticeps (Cope, 1894) (Teleostei: Characidae): two valid freshwater species originally described from rivers of Southern Brazil

Fig. 8. Astyanax laticeps, UFRGS 4576, male, 49.2 mm SL. SEM image of upper and lower jaws, right side. Scale bar = 1 mm.

Fig. 7. Astyanax laticeps, MCP 35425, 61.2 in Redescription of Astyanax obscurus (Hensel, 1870) and A. laticeps (Cope, 1894) (Teleostei: Characidae): two valid freshwater species originally described from rivers of Southern Brazil

Fig. 7. Astyanax laticeps, MCP 35425, 61.2 mm SL, tributary of rio Ivaí, rio Jacuí drainage, Júlio de Castilhos, Rio Grande do Sul, Brazil.