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Occurrences records of Herichthys labridens (Cichliformes: Cichlidae), with associated habitat information, in the Media Luna spring, San Luis Potosí, Mexico
<h2><strong>Introduction</strong></h2> <blockquote> <p>Occurrence records of the endemic cichlid <em>Herichthys labridens</em>, by adult and juvenile life stages, during three summer events (years of 1999, 2009, and 2019), in the Media Luna spring, San Luis Potosí Mexico. </p> </blockquote> <h2><strong>Material and Methods </strong></h2> <blockquote> <p>The occurrence records, ordered by adult and juvenile life stages, were obtained from two sources. For the summer of 1999, data were downloaded from the literature (Palacio-Núñez et al., 2010). For subsequent events, we recorded new data from 66 underwater transects distributed among 14 sectors (S1 to S14) in the Media Luna spring. We followed the method of Palacio-Núñez (2007), which maintained the transect location and sector boundaries of the summer of 1999 (Fig. 1a). The 20 m² transects were placed transversely to the current, from the edge to the central part of the canal (Fig. 1b). This sampling design was selected to meet two basic assumptions for studies of spatial distribution and habitat suitability: (1) the observations within the area are true and, (2) these observations delimit the initial position of the recorded individuals (Buckland & Elston, 1993). The analysis of the spatial information of the sectors, the underwater transects, and the delimitation of the water surface was performed using the QGIS® software version 3.4.8 (Menke, 2019).</p> <p> </p> <p><strong>Figure 1</strong>. <a href="https://zenodo.org/api/records/14231104/draft/files/Sector%20boundary_Transect%20location%20and%20sampling_Media%20Luna%20spring.jpeg/content" target="_blank" rel="noopener noreferrer">Sector boundary_Transect location and sampling_Media Luna spring.jpeg</a>. (a) Location of the transects in the Media Luna spring, Mexico. (b) Design scheme of the sampling transect; a CPVC pipe was used to give width to the edges of the transect and a nylon rope was attached to each side of the pipes to demarcate the length of the transect. Floating rubber buoys were added to the transects (at the edge towards the center of the canal) to prevent them from sinking into the sediment and to locate them among the vegetation. Transect scheme: Jorge Palacio-Núñez.</p> <p><br>In the summer events where we worked in field, we recorded the spatial location (i.e., GPS coordinates) of each individual and its life stage by direct observation with snorkel equipment and using a Garmin etrex device. The recorded information included the data of water depth and related underwater coverage. It is important to mention that, to prevent a repeat observation of the same organism or to ommit any individual, the transect was swaped slowly and in one direction only (i.e., from the center of the canal to the shore). We also used underwater cameras to validate the information. In adittion, the characterization of <em>H. labridens</em> individuals by life stage was performed by approximate size. For this purpose, previous studies on the life history and biology of the species were reviewed (Miller et al., 2005; De La Maza-Benignos & Lozano-Vilano, 2013). It is worth mentioning that, during fieldwork, we avoided manipulation, damage, or unnecessary capture of the fish (e.g., Prchalová et al., 2009).</p> <p><br>The databases by life stage were organized for each summer event, where, each observation record was included along with the associated habitat conditions. Subsequently, we depurated each database to remove atypical spatial data, data without information, incomplete data, or data with duplicate coordinates (García-Roselló et al., 2014). Then, we performed spatial filtering of the remaining records to validate those that were within the study area, and to prevent that two or more points were within 0.1 m of each other. These steps of our analysis were performed using the software Qgis® version 3.28.4 and Rstudio® (Rstudio team, 2020). Subsequently, with the data set that included fish records, water depth, and underwater coverage variables, we performed a final environmental filter to rule out atypical records. This exploration was performed in Rstudio ® using the outliers function, starting from the lowest and highest quantiles.</p> </blockquote> <h2><strong>Results</strong></h2> <blockquote> <p>The final filtered databases were organized by life stage and summer event:</p> <p><strong>Adult: </strong></p> <table> <tbody> <tr> <td>Summer event</td> <td>Database</td> </tr> <tr> <td>1999</td> <td><a href="https://zenodo.org/api/records/14231104/draft/files/Occurrences_records_H_labridens_Adult_1999_Palacio-N%C3%BA%C3%B1ez%20et%20al.,%202010.csv/content" target="_blank" rel="noopener noreferrer">Occurrences_records_H_labridens_Adult_1999_Palacio-Núñez et al., 2010.csv</a></td> </tr> <tr> <td>2009</td> <td><a href="https://zenodo.org/api/records/14231104/draft/files/Occurrences_records_H_labridens_Adult_2009_Field%20work.csv/content" target="_blank" rel="noopener noreferrer">Occurrences_records_H_labridens_Adult_2009_Field work.csv</a></td> </tr> <tr> <td>2019</td> <td><a href="https://zenodo.org/api/records/14231104/draft/files/Occurrences_records_H_labridens_Adult_2019_Field%20work.csv/content" target="_blank" rel="noopener noreferrer">Occurrences_records_H_labridens_Adult_2019_Field work.csv</a></td> </tr> </tbody> </table> <p><strong> Juvenile:</strong></p> <table> <tbody> <tr> <td>Summer event</td> <td>Database</td> </tr> <tr> <td>1999</td> <td><a href="https://zenodo.org/api/records/14231104/draft/files/Occurrences_records_H_labridens_Juvenile_1999_Palacio-N%C3%BA%C3%B1ez%20et%20al.,%202010.csv/content" target="_blank" rel="noopener noreferrer">Occurrences_records_H_labridens_Juvenile_1999_Palacio-Núñez et al., 2010.csv</a></td> </tr> <tr> <td>2009</td> <td><a href="https://zenodo.org/api/records/14231104/draft/files/Occurrences_records_H_labridens_Juvenile_2009_Field%20work.csv/content" target="_blank" rel="noopener noreferrer">Occurrences_records_H_labridens_Juvenile_2009_Field work.csv</a></td> </tr> <tr> <td>2019</td> <td><a href="https://zenodo.org/api/records/14231104/draft/files/Occurrences_records_H_labridens_Juvenile_2019_Field%20work.csv/content" target="_blank" rel="noopener noreferrer">Occurrences_records_H_labridens_Juvenile_2019_Field work.csv</a></td> </tr> </tbody> </table> </blockquote> <p> </p> <blockquote> <p>These occurrence records for <em>H. labridens </em>are ready to be used in ecological niche modeling and spatial distribution studies. Also, these records can be used for other ecological and spatial studies, because each record (i.e., individual) included geoespatial coordinates, sector, location, and transect number. Also, we recorded information about the conditions of underwater coverage and water depth, which were asociated to each ocurrence record.</p> <p>For more information about several R codes where the previous databases can be used, visit the following repository URL: <a href="https://doi.org/10.5281/zenodo.7603557">https://doi.org/10.5281/zenodo.7603557</a>.</p> <p>Also, to download the UC and WDp variables to run the spatial and ecological modeling, visit the following repository URL: <a href="https://doi.org/10.5281/zenodo.7603890">https://doi.org/10.5281/zenodo.7603890</a>.</p> </blockquote>
Spatial dataset for ecological niche and spatial distribution modeling of Herichthys bartoni (Cichliformes: Cichlidae) in the Media Luna spring, Mexico
<p>Dataset for the endangered endemic cichlid <em>Herichthys bartoni</em> in the Media Luna spring, Mexico. This data includes occurrences records by species life stage (adult, juvenile and fry), in three field sessions corresponding to the summer period, in the years 1999, 2009 and 2019.</p> <p>For more information about the codes where the previous datasets could be used, visit the following repository with URL: <a href="https://doi.org/10.5281/zenodo.7603557">https://doi.org/10.5281/zenodo.7603557</a>.</p> <p>Likewise, the UC and WDp variables used to run the ecological niche and spatial distribution model, by summer period, can be found in the following repository wirh URL: <a href="https://doi.org/10.5281/zenodo.7603890">https://doi.org/10.5281/zenodo.7603890</a>.</p>
Fig. 3 in Species or population? Systematic status of Vieja coatlicue (Teleostei: Cichlidae)
Fig. 3. Haplotype network recovered from analysis of the cyt b dataset for populations of Vieja coatlicue (Atlantic) and Vieja zonata (Pacific). Dashes lines represent mutational steps.
Fig. 2 in Species or population? Systematic status of Vieja coatlicue (Teleostei: Cichlidae)
Fig. 2. Bayesian phylogeny based on cytochrome b sequence data. Number above clades is posterior probability.
Fig. 1 in Species or population? Systematic status of Vieja coatlicue (Teleostei: Cichlidae)
Fig. 1. Map of Mexico displaying localities for specimens (triangles) examined and tissue samples (circles) for Vieja coatlicue (green) and Vieja zonata (black) used in this study. Star indicates locality for Vieja guttulata sample.
Fig. 2 in Changes in digestive enzymes activities during the initial ontogeny of wolf cichlid, Parachromis dovii (Perciformes: Cichlidae)
Fig. 2. Digestive proteolytic enzyme activity during ontogeny of Parachromis dovii larvae (means ± SD, n= 3 replicates). (a) specific acid proteolytic activity, (b) specific alkaline proteolytic activity, (c) specific trypsin activity, (d) specific chymo- trypsin activity, (e) specific leucine-aminopeptidase activity, (f) specific carboxypeptidase A activity.
Fig. 2 in A new mouth brooder species of Gymnogeophagus with hypertrophied lips (Cichliformes: Cichlidae)
Fig. 2. Head of Gymnogeophagus peliochelynion (first column), G. pseudolabiatus (second column) and G. mekinos (third column) showing the entirely black hump in males in G. peliochelynion (vs. yellow with black margin), and upper lip not folded dorsally over anterior margin of snout (vs. upper lip folded dorsally in G. pseudolabiatus and undeveloped in G. mekinos). G. peliochelynion from top to bottom, paratype, ZVC-P 13210, paratype, 76.3 mm SL; ZVC-P 7016, 89.9 mm SL; ZVC-P 13057, 90.2 mm SL. G. pseudolabiatus from top to bottom, paratype, UFRGS 7754, 102.0 mm SL; MHNM 4010, 88.8 mm SL; MHNM 4010, 95.3 mm SL. G. mekinos from top to bottom, MHNM 3511, 105.1 mm SL; MHNM 3511, 97.2 mm SL; MHNM 4009, 121.3 mm SL.
Fig. 8 in Foraging behavior interactions between the invasive Nile Tilapia (Cichliformes: Cichlidae) and three large native predators
Fig. 8. Activity (inactive, swimming and avoidance) by the Nile Tilapia (mean ± SD) in the tanks with Pseudoplatystoma corruscans (white circles), Salminus brasiliensis (white squares) and Brycon orbignyanus (black triangles), for 0%, 50%, 100% and RD treatments. The three-way ANOVA for these data suggested interaction (P =0.029) among species, structural complexity and activity. The avoidance activity was not observed.
Fig. 3 in A revision of the genus Astatoreochromis (Teleostei, Cichlidae), East-Africa
Fig. 3. Plots of the scores on the second axis of a PCA on the log-transformed measurements of Lake Victoria basin specimens against standard length, (A) including and (B) excluding lower pharyngeal bone measurements. Lakes Victoria and Kioga (∆); Lakes Edward-George-Kayanza-Nabugabo- Nakavali-Semliki (▲); Akagera basin ().
Fig. 6 in A revision of the genus Astatoreochromis (Teleostei, Cichlidae), East-Africa
Fig. 6. Adult ♂♂ of Astatoreochromis straeleni (Poll, 1944). A. MRAC A9-13-P-555, 70.6 mm SL, collected on 13 Dec. 2008 in the Malagarazi. B. MRAC B1-3-P-1, 88.3 mm SL, collected on 7 Jan. 2011 in the Rusizi. (Photographs by GB)
Fig. 2 in A revision of the genus Astatoreochromis (Teleostei, Cichlidae), East-Africa
Fig. 2. Plots of PCA scores against standard length for all Astatoreochromis specimens examined. (A) scores on the first axis of a PCA on the meristics and (B) on the second axis of a PCA on the logtransformed morphometrics. Lakes Victoria and Kioga (∆); Lakes Edward-George-Kayanza-Nabugabo- Nakavali-Semliki (▲); Akagera basin (); Lukuga River (□), Malagarazi basin (); Rusizi basin (). Full line polygon for Lake Tanganyika basin, dashed line polygon for Lake Victoria basin specimens.
Fig. 4 in A revision of the genus Astatoreochromis (Teleostei, Cichlidae), East-Africa
Fig. 4. Plots of the scores on the second axis of a PCA on the log-transformed measurements of Lake Tanganyika specimens against standard length, (A) including and (B) excluding lower pharyngeal bone measurements. Lukuga River (□), Malagarazi basin (); Rusizi basin ().
Fig. 5 in A revision of the genus Astatoreochromis (Teleostei, Cichlidae), East-Africa
Fig. 5. Adult ♂♂ of Astatoreochromis alluaudi Pellegrin, 1904 caught on 15 Dec. 2012 at Kumana village, Nyagisozi zone, Lake Rweru, Upper Akagera (Rwanda), 115,3 mm SL and 100,4 mm SL not catalogued. (Photographs by GB)
Fig. 1 in A revision of the genus Astatoreochromis (Teleostei, Cichlidae), East-Africa
Fig. 1. Morphometric measurements of Astatoreochromis specimens (Snoeks 1994). Body measurements. 1. Standard length (SL). 2. Body depth. 16. Dorsal fin base length. 17. Anal fin base length. 18. Predorsal distance. 19. Preanal distance. 20. Prepectoral distance. 21. Prepelvic distance. 22. Caudal peduncle length. 23. Caudal peduncle depth. Head measurements. 3. Head Length. 4. Head width. 5. Interorbital width. 6. Snout length. 7. Lower jaw length. 8. Premaxillary pedicel length. 9. Cheek depth. 10. Eye diameter. 11. Lachrymal depth. Lower pharyngeal jaw (LPJ) measurements. 12. Lower pharyngeal length. 13. Lower pharyngeal width. 14. Dentigerous area length. 15. Dentigerous area width.
Fig. 1 in A new species of Gyrodactylus (Monogenea, Gyrodactylidae), an ectoparasite from the endemic Iranocichla hormuzensis (Teleostei, Cichlidae), the only Iranian cichlid
Fig. 1. Gyrodactylus jalalii sp. nov. A. whole mount. B. male copulatory organ. C. marginal hook. D. anchor-bar complex. E. anchor. Scale bars represent 50 µm (whole mount), 10 µm (marginal hook, MCO) or 30 µm (anchor, anchor-bar complex).
FIGURE 10. Geophagus winemilleri. Holotype, MCNG 35486, 195.0 in Geophagus abalios, G. dicrozoster and G. winemilleri (Perciformes: Cichlidae), three new species from Venezuela
FIGURE 10. Geophagus winemilleri. Holotype, MCNG 35486, 195.0 mm SL. Venezuela: Amazonas: Río Siapa: Laguna Yocuta, (2.1347 N 66.3742 W).
FIGURE 11. Geophagus winemilleri. AMNH 233638 in Geophagus abalios, G. dicrozoster and G. winemilleri (Perciformes: Cichlidae), three new species from Venezuela
FIGURE 11. Geophagus winemilleri. AMNH 233638, adult paratype immediately after capture at comunidad Punta de Barbosa, Río Negro headwaters, Amazonas State, Venezuela. 1.9844 ° N, 67.1183 ° W.
FIGURE 7 in Geophagus abalios, G. dicrozoster and G. winemilleri (Perciformes: Cichlidae), three new species from Venezuela
FIGURE 7. Geophagus dicrozoster. Uncatalogued specimen, young adult immediately after capture at the type locality: Laguna Larga, Río Cinaruco, Apure State, Venezuela. 6.3335 N, 67.2471 W.
FIGURE 4 in Geophagus abalios, G. dicrozoster and G. winemilleri (Perciformes: Cichlidae), three new species from Venezuela
FIGURE 4. Geophagus abalios. Uncatalogued specimen, adult in breeding coloration immediately after capture at the type locality: Laguna Larga, Río Cinaruco, Apure State, Venezuela. 6.3335 N, 67.2471 W.
FIGURE 3. Geophagus abalios. Holotype, MCNG 47600, 163.0 in Geophagus abalios, G. dicrozoster and G. winemilleri (Perciformes: Cichlidae), three new species from Venezuela
FIGURE 3. Geophagus abalios. Holotype, MCNG 47600, 163.0 mm SL; Venezuela: Apure: Río Cinaruco: Laguna Larga (6.5339 N 67.4150 W).
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Allen Brain Atlas
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