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694 results for “fish diversity”
Figure 5 from: Bogutskaya NG, Diripasko OA, Zupančič P, Jelić D, Naseka A (2019) Phenotypic diversity in an endangered freshwater fish Squalius microlepis (Actinopterygii, Leuciscidae). ZooKeys 897: 115-147. https://doi.org/10.3897/zookeys.897.38768
Figure 5 Lateral view to show characters superficially distinguishing phenotypes of Squalius microlepis s. l. ASqualius microlepis phenotype 2: MNCN_ICTIO 294.784-294.800, 128.0 mm SL (Tihaljina) BSqualius microlepis phenotype 1: NMW 12729-32, 119.5 mm SL ('Imotski'). Key: Arrow a – posterior end of lower jaw, line b – upper head profile, arrow c – body profile just behind head; vertical d – shorter head in S. microlepis phenotype 2, vertical e – shorter prepelvic distance in S microlepis phenotype 2; line f – dorso-hypural distance if reported forward.
Figure 3 from: Bogutskaya NG, Diripasko OA, Zupančič P, Jelić D, Naseka A (2019) Phenotypic diversity in an endangered freshwater fish Squalius microlepis (Actinopterygii, Leuciscidae). ZooKeys 897: 115-147. https://doi.org/10.3897/zookeys.897.38768
Figure 3 Squalius microlepisA NMW 49415, lectotype, 150.8 mm SL, "Imosky" B phenotype 1: alive specimen, MNCN_ICTIO 296.096-296.097, 147.6 mm SL, Bosnia and Herzegovina: Krenica Lake at Drinovci.
Figure 1 from: Bogutskaya NG, Diripasko OA, Zupančič P, Jelić D, Naseka A (2019) Phenotypic diversity in an endangered freshwater fish Squalius microlepis (Actinopterygii, Leuciscidae). ZooKeys 897: 115-147. https://doi.org/10.3897/zookeys.897.38768
Figure 1 Map showing localities of examined specimens: S. tenellus, S. microlepis phenotype 1, and S. microlepis phenotype 2, shadowed areas showing ranges of S. tenellus (blue) and S. microlepis (yellow); 1 – Ričice Reservoir, 2 – Ričina River, Posušje, 3 – Lower Matica River, 4 – Krenica Lake, 5 – Vrgoračka Matica River system (Vrgoračko Polje, Polje Jezero), 6 – Baćina lakes.
Figure 11 from: Bogutskaya NG, Diripasko OA, Zupančič P, Jelić D, Naseka A (2019) Phenotypic diversity in an endangered freshwater fish Squalius microlepis (Actinopterygii, Leuciscidae). ZooKeys 897: 115-147. https://doi.org/10.3897/zookeys.897.38768
Figure 11 Specimen MZUF 13512 (identified as S. microlepis by Kolombatović), Cetina River. Photo credit: Saulo Bambi, Sistema Museale dell'Università degli Studi di Firenze, Sez. di Zoologia "La Specola", Italy.
Figure 10 from: Bogutskaya NG, Diripasko OA, Zupančič P, Jelić D, Naseka A (2019) Phenotypic diversity in an endangered freshwater fish Squalius microlepis (Actinopterygii, Leuciscidae). ZooKeys 897: 115-147. https://doi.org/10.3897/zookeys.897.38768
Figure 10 A locality where two phenotypes of Squalius microlepis co-occur: Tihaljina River at Tihaljina, Bosnia and Herzegovina (7 July 2011).
Fig. 2. Karyotypes arranged from C-banded chromosomes. a in Cytogenetic markers as tools in delimiting species of the highly diverse Neotropical fish Bryconamericus (Characiformes: Characidae)
Fig. 2. Karyotypes arranged from C-banded chromosomes. a. Bryconamericus aff. iheringii (Ijuí River, pattern II); b. B. aff. iheringii (Iguaçu River); c. B. coeruleus (pattern II); d. B. cf. ecai; e. B. cf. eigenmanni. Scales bar = 10 μm.
Fig. 1 in Cytogenetic markers as tools in delimiting species of the highly diverse Neotropical fish Bryconamericus (Characiformes: Characidae)
Fig. 1. Karyotypes arranged from Giemsa-stained chromosomes. Pairs of the AgNORs are in the boxes. a. Bryconamericus aff. iheringii (Ijuí River) - box I: pattern I; box II: pattern II; b. B. aff. iheringii (Iguaçu River); c. B. coeruleus - box I: pattern I; box II: pattern II; box III: pattern III; d. B. cf. ecai; e. B. cf. eigenmanni. Scales bar = 10 μm.
Fig. 3. Karyotypes after FISH with 5S in Cytogenetic markers as tools in delimiting species of the highly diverse Neotropical fish Bryconamericus (Characiformes: Characidae)
Fig. 3. Karyotypes after FISH with 5S rDNA probes (red) and 18S rDNA probe (green). In the boxes, the intra-population variations that represent distinct patterns of localization of ribosomal genes. a. Bryconamericus aff. iheringii (Ijuí River, pattern II) - box I: pattern I; b. B. aff. iheringii (Iguaçu River); c. B. coeruleus (pattern II) - box I: pattern I; box III: pattern III; d. B. cf. ecai; e. B. cf. eigenmanni. Scales bar = 10 μm.
Fig. 4 in Cytogenetic markers as tools in delimiting species of the highly diverse Neotropical fish Bryconamericus (Characiformes: Characidae)
Fig. 4. Idiogram comparing the cytogenetic characteristics of the four Bryconamericus species. a B. aff. iheringii (Ijuí River): patterns I and II; b B. aff. iheringii (Iguaçu River); c B. coeruleus: patterns I, II and II; d B. cf. ecai; e B. cf. eigenmanni.
Fig. 4. Mismatch distribution for mitochondrial haplotypes for 92 in Genetic diversity and population structure of Brycon nattereri (Characiformes: Bryconidae): a Neotropical fish under threat of extinction
Fig. 4. Mismatch distribution for mitochondrial haplotypes for 92 individuals of Brycon nattereri from the Laranjinha River.
Fig. 2 in Genetic diversity and population structure of Brycon nattereri (Characiformes: Bryconidae): a Neotropical fish under threat of extinction
Fig. 2. Bayesian analysis results (Structure). a. Values of K obtained based on ΔK. b. Values of K obtained based on mean likelihood Ln (K). c. Graphic representation of K = 2. Each column represents a different individual and the colors denote the probable ancestry coefficient of the individual and each genetic cluster.
Fig. 1 in Genetic diversity and population structure of Brycon nattereri (Characiformes: Bryconidae): a Neotropical fish under threat of extinction
Fig. 1. Brycon nattereri sampling sites along the Laranjinha River (A, B, C and D). Also shown are the sampling sites used in a previous study (D, E, F, G, H, I and J) and the number of individuals of B. nattereri collected at each site (in parentheses). On the South America map, numbers and arrows indicate the Paraná, Tocantins, and São Francisco basins and the asterisks indicate the areas with records of Brycon nattereri (Rosa, Lima, 2008; Viana et al., 2013; Frota et al., 2016).
Fig. 1 in Fish beta diversity responses to environmental heterogeneity and flood pulses are different according to reproductive guild
Fig. 1. Map of the Upper Paraná River floodplain. The triangles represent the sampling stations of the Paraná River sub-basin, the circles represent the sampling stations of the Baía River sub-basin, and the squares represent the sampling stations of the Ivinhema River sub-basin.
Fig. 3 in Fish beta diversity responses to environmental heterogeneity and flood pulses are different according to reproductive guild
Fig. 3. Data analysis procedure for environmental heterogeneity and beta diversity for the different matrices of the trophic and reproductive guilds.
Fig. 3 in Fish diversity in the cascade of reservoirs along the Paranapanema River, southeast Brazil
Fig. 3. Species richness in the cascade of reservoirs along the Paranapanema River, separated as native non-migratory (a), native long-distance migratory (b) and non-native species (c). The sampling period is shown above each bar. Reservoir codes: JU = Jurumirim; CH = Chavantes; OU = Ourinhos; SG = Salto Grande; CA-II = Canoas II; CA-I = Canoas I; CP = Capivara; TA = Taquaruçu; RO = Rosana.
Fig. 5 in Fish diversity in the cascade of reservoirs along the Paranapanema River, southeast Brazil
Fig. 5. Relative abundance (%) of long-distance migratory fishes (a) and non-native species (b) in the cascade of reservoirs along the Paranapanema River. Each dot is a sample (n = 32). Reservoir names (codes) are shown in Fig. 3.
Fig. 4 in Fish diversity in the cascade of reservoirs along the Paranapanema River, southeast Brazil
Fig. 4. Non-Metric Multidimensional Scaling (NMDS) showing variation in assemblage composition in the cascade of reservoirs along the Paranapanema River, considering native nonmigratory species (a) and native long-distance migratory species (b). The line connecting reservoirs indicates the sequence in the cascade system. Reservoir names (codes) are shown in Fig. 3.
Fish diversity and discharge rates in Bornean rainforest streams
<b>Description: </b><p>TFE Field course 2020 group project. Recorded the fish communities and discharge rates along 100m transects on 7 rainforest streams in and around the SAFE project site in Sabah, Borneo. <br>- Stream discharge: this was estimated using gulp-injection dilution gauging using table salt as the tracer. An Omega CDH-SD conductivity logger was used to record stream conductivity at 1 second intervals. The conductivity meter was set up at 0m on the stream's transect, it was left to stabilise and then 50m upstream 200g of salt was injected. Conductivity was monitored for a peak followed by a return to original levels.<br>- Electrofishing: For each stream fishes were caught and released using three-pass electrofishing (model EFGI 650 electrofisher). The fishing occurred along a 100m transect with fish net blockades set up at each end to prevent immigration and emigration of fish during the sampling period. Electrofishing occurred in 3 phases, the same transect line was repeated with different voltages. Voltage varied per stream based on its conductivity and the recommended guidelines provided by SAFE. Fishes caught were identified to species level following the fish identification guide provided by SAFE and length of fishes was measured using a ruler.<br>The data collected was used to estimate fish biodiversity and stream discharge rates in R. </p><p><b>Project: </b>This dataset was collected as part of the following SAFE research project: <a href="https://www.safeproject.net/projects/project_view/152"><b>MRes Tropical Forest Ecology Field Course</b></a></p><p><b>XML metadata: </b>GEMINI compliant metadata for this dataset is available <a href="https://www.safeproject.net/datasets/xml_metadata?id=3926374">here</a></p><p><b>Files: </b>This dataset consists of 4 files: SAFE_Hydrology_2020.xlsx, Wilkinson2018.pdf, Fish_ID_Sheet.pdf, Electrofishing_discharge.csv</p><p><b>SAFE_Hydrology_2020.xlsx</b></p><p>This file contains dataset metadata and 4 data tables:</p><ol><li><p><b>Discharge measurements for streams at SAFE</b> (described in worksheet Stream_discharge)</p><p>Description: Stream discharge rates were measured using gulp injection dilution gauging using salt as the tracer. Recordings were taken automatically by an Omega CDH-SD1 conductivity logger</p><p>Number of fields: 6</p><p>Number of data rows: 20699</p><p>Fields: </p><ul><li><b>Site ID</b>: Location at SAFE, river name (Field type: location)</li><li><b>Date</b>: date conductivity was recorded (Field type: date)</li><li><b>Time</b>: time of recorded ch1 and temperature measurements (Field type: time)</li><li><b>Ch1_Value</b>: conductivity measure value from logger (Field type: numeric)</li><li><b>Ch1_Unit</b>: unit Ch1 value is measured in on logger (Field type: categorical)</li><li><b>Temperature</b>: temperatue recording from logger (Field type: numeric)</li></ul></li><li><p><b>Surrounding forest types for the streams at SAFE</b> (described in worksheet Sites)</p><p>Description: For each stream, the surrounding forest type was determined based on Wilkinson et al. 2018 paper</p><p>Number of fields: 2</p><p>Number of data rows: 7</p><p>Fields: </p><ul><li><b>Location</b>: Location at SAFE, river name (Field type: location)</li><li><b>vegetation_type</b>: Logging category of surrounding forest (Field type: categorical)</li></ul></li><li><p><b>Electrofishing runs</b> (described in worksheet Runs)</p><p>Description: Number and d</p><p>Number of fields: 13</p><p>Number of data rows: 20</p><p>Fields: </p><ul><li><b>Location</b>: Location at SAFE, river name (Field type: location)</li><li><b>run</b>: electrofishing run number (Field type: numeric)</li><li><b>date</b>: date electrofishing occurred (Field type: date)</li><li><b>time</b>: time of electrofishing (Field type: time)</li><li><b>conductivity</b>: conductivity of stream (Field type: numeric)</li><li><b>voltage</b>: voltage of electrofishing run (Field type: numeric)</li><li><b>water temperature</b>: temperature of stream (Field type: numeric)</li><li><b>electrofisher 1</b>: person electrofishing (Field type: comments)</li><li><b>electrofisher 2</b>: person electrofishing (Field type: comments)</li><li><b>electrofisher 3</b>: person electrofishing (Field type: comments)</li><li><b>RA 1</b>: Research assistant (RA) helping with species identification and measurement (Field type: comments)</li><li><b>RA 2</b>: Research assistant (RA) helping with species identification and measurement (Field type: comments)</li><li><b>RA 3</b>: Research assistant (RA) helping with species identification and measurement (Field type: comments)</li></ul></li><li><p><b>Fish biodiversity recorded from electrofishing at rivers at SAFE</b> (described in worksheet Fish_diversity)</p><p>Description: An EFGI 650 electrofisher was used to measure fish biodiveristy following local protocols</p><p>Number of fields: 5</p><p>Number of data rows: 977</p><p>Fields: </p><ul><li><b>Location</b>: Location at SAFE, river name (Field type: location)</li><li><b>run</b>: electrofishing run number (Field type: numeric)</li><li><b>species</b>: species of fishes caught (Field type: taxa)</li><li><b>length</b>: length of fishes caught (Field type: numeric)</li><li><b>notes</b>: comments (Field type: comments)</li></ul></li></ol><p><b>Wilkinson2018.pdf</b></p><p>Description: Referenced in Fish_diversity for classifying vegetation type of surrounding forests of streams</p><p><b>Fish_ID_Sheet.pdf</b></p><p>Description: Fish identifcation guide used for Fish_diversity data collection</p><p><b>Electrofishing_discharge.csv</b></p><p>Description: Voltage guidelines for electrofishing in Fish_diversity</p><p><b>Date range: </b>2020-02-04 to 2020-02-13</p><p><b>Latitudinal extent: </b>4.5000 to 5.0700</p><p><b>Longitudinal extent: </b>116.7500 to 117.8200</p><p><b>Taxonomic coverage: </b><br> All taxon names are validated against the GBIF backbone taxonomy. If a dataset uses a synonym, the accepted usage is shown followed by the dataset usage in brackets. Taxa that cannot be validated, including new species and other unknown taxa, morphospecies, functional groups and taxonomic levels not used in the GBIF backbone are shown in square brackets.</p><div> -  Animalia <br> -  -  Chordata <br> -  -  -  Actinopterygii <br> -  -  -  -  Anguilliformes <br> -  -  -  -  -  Anguillidae <br> -  -  -  -  -  -  <i>Anguilla</i> <br> -  -  -  -  -  -  -  <i>Anguilla borneensis</i> <br> -  -  -  -  -  -  -  <i>Anguilla marmorata</i> <br> -  -  -  -  Siluriformes <br> -  -  -  -  -  Bagridae <br> -  -  -  -  -  -  <i>Hemibagrus</i> <br> -  -  -  -  -  -  -  <i>Hemibagrus baramensis</i> <br> -  -  -  -  Cypriniformes <br> -  -  -  -  -  Cobitidae <br> -  -  -  -  -  -  <i>Pangio</i> <br> -  -  -  -  -  -  -  <i>Pangio mariarum</i> <br> -  -  -  -  -  Balitoridae <br> -  -  -  -  -  -  <i>Protomyzon</i> <br> -  -  -  -  -  -  -  <i>Protomyzon griswoldi</i> <br> -  -  -  -  -  -  <i>Gastromyzon</i> <br> -  -  -  -  -  -  -  <i>Gastromyzon lepidogaster</i> <br> -  -  -  -  -  Nemacheilidae <br> -  -  -  -  -  -  <i>Nemacheilus</i> <br> -  -  -  -  -  -  -  <i>Nemacheilus olivaceus</i> (as synonym: <i>Nemachilus olivaceus</i>)<br> -  -  -  -  -  Cyprinidae <br> -  -  -  -  -  -  <i>Hampala</i> <br> -  -  -  -  -  -  -  <i>Hampala sabana</i> <br> -  -  -  -  -  -  <i>Rasbora</i> <br> -  -  -  -  -  -  -  <i>Rasbora hubbsi</i> <br> -  -  -  -  -  -  -  <i>Rasbora sumatrana</i> <br> -  -  -  -  -  -  <i>Nematabramis</i> <br> -  -  -  -  -  -  -  <i>Nematabramis everetti</i> <br> -  -  -  -  -  -  <i>Tor</i> <br> -  -  -  -  -  -  -  <i>Tor tambra</i> <br> -  -  -  -  -  -  <i>Puntius</i> <br> -  -  -  -  -  -  -  <i>Puntius sealei</i> (as synonym: <i>Barbodes sealei</i>)<br> -  -  -  -  -  -  <i>Osteochilus</i> <br> -  -  -  -  -  -  -  <i>Osteochilus chini</i> <br> -  -  -  -  -  -  -  <i>Osteochilus ingeri</i> <br></div><p></p>
Figure 9 from: Bayçelebi E (2020) Distribution and diversity of fish from Seyhan, Ceyhan and Orontes river systems. Zoosystematics and Evolution 96(2): 747-767. https://doi.org/10.3897/zse.96.55837
Figure 9 Cichlidae species of the northeastern Mediterranean Sea Basin of Turkey and Syria. a.Coptodon zillii, Lake Balık; b.Sarotherodon galilaeus, Al Ghab photo: JF; c.Tristramella simonis, spring south of Qala'at photo: JF.
Figure 8 from: Bayçelebi E (2020) Distribution and diversity of fish from Seyhan, Ceyhan and Orontes river systems. Zoosystematics and Evolution 96(2): 747-767. https://doi.org/10.3897/zse.96.55837
Figure 8 Aphaniidae species of the northeastern Mediterranean Sea Basin of Turkey and Syria. a.Paraphanius alexandri, spring Çöçelli; b.P. boulengeri, Lake Gölbaşı; c.P. mento, spring of Barada photo: JF; d.P. orontis, Orontes River-I; e.P. similis, Seyhan River, below water regulation doors photo: JF.
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