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23 results for “Aetobatus”
Figure 1 in DNA barcoding supports the presence of the cryptic ocellated eagle ray, Aetobatus ocellatus (Myliobatidae), in French Polynesia, South Pacific
Figure 1. - Locations for sampled Aetobatus ocellatus (grey circles) in French Polynesia and for comparative materials (circles in insert: Australia, New Caledonia, Indonesia, India, South Africa, Brazil, Japan, Korea).
Figure 2 in DNA barcoding supports the presence of the cryptic ocellated eagle ray, Aetobatus ocellatus (Myliobatidae), in French Polynesia, South Pacific
Figure 2. - Neighbour-Joining distance tree (K2p model) of the partial COI sequences (652 bp, 'barcode region') revealing the placement of individuals of Aetobatus ocellatus from French Polynesia within the Aetobatus complex. Specimens are labelled with their BOLD Process ID. Bootstrap values over 75% are indicated above branches.
Figure 5 in Distribution patterns of ocellated eagle rays, Aetobatus ocellatus, along two sites in Moorea Island, French Polynesia
Figure 5. – Percentage of observations for the ten different behaviours according to the study site: swimming, foraging, chafing, cruising, escape, pre-mating, jumping, conspecific interaction, heterospecific interaction, come-close. See Table II for details on each behaviour.
Figure 2 in Distribution patterns of ocellated eagle rays, Aetobatus ocellatus, along two sites in Moorea Island, French Polynesia
Figure 2. – Multiple Correspondence Analysis factor map (2 first components, 34.5% and 19.4%, respectively) representing the relationship between the study sites (ClubMed/Mareto), ontogenetic stage of the eagle rays (male/female/juvenile), seasons (wet/dry), and the time of the day (am/pm).
Figure 1 in Distribution patterns of ocellated eagle rays, Aetobatus ocellatus, along two sites in Moorea Island, French Polynesia
Figure 1. – Map highlighting the two study sites on Moorea Island, French Polynesia: Mareto and ClubMed.
Figure 4 in Distribution patterns of ocellated eagle rays, Aetobatus ocellatus, along two sites in Moorea Island, French Polynesia
Figure 4. – Abundance (number of macroinvertebrate individuals) and biomass (grams) for the two study sites. The boxes represent the first and third quartiles, black lines are the medians (second quartiles), and whiskers cor- respond to the range (min-max) of the distributions. An asterisk indicates sta- tistically significant differences.
Figure 3 in Distribution patterns of ocellated eagle rays, Aetobatus ocellatus, along two sites in Moorea Island, French Polynesia
Figure 3. – Multiple Factor Analysis scatter plots (2 first components, 18% and 13%, respectively) representing the relationship between sex (male/ female/ juvenile), the site (ClubMed/Mareto) and the environmental factors: wave and wind direction (east/north/south/ west), wind speed (high/medium/low) and current strength (no/light/medium/ strong).
Courtship behavior and a mating event of the Whitespotted eagle rays, Aetobatus narinari, in surrounding waters of the Anchieta Island State Park, Southeast Brazil.
<p>The Diving into Conservation project is a inititive that seeks to sensitize visitors of the Anchieta Island State Park (AISP), a protection area - IUCN Category II, about conservations matters, specially regaring the whitespotted eagle ray, <em>Aetobatus narinari</em>. The AISP's boundaries is safeguarded by a marine no-take zone. Since 2022, the project has been monitoring the AISP's surrounding waters, with volunteers conducting sampling campaigns using drones, Baited Remote Underwater Videos and Diver Operated Videos. Here, we present the records made on March 2023 and January 2024, showing the courtship behaviour and mating event of the species. Such findings reveal the importance of the protected areas as a safety place for mating events.</p>
Data from: Population structure and seasonal migration of the spotted eagle ray, Aetobatus narinari
Few studies have reported on the fine-scale population genetics of batoid species in the Atlantic basin. Here, we investigate the genetic diversity and population structure of the spotted eagle ray, Aetobatus narinari, sampled in the northeastern and southwestern parts of the Gulf of Mexico and in the northwestern Caribbean Sea. Samples were collected from 286 individuals sampled across 3 geographic localities. Estimates of divergence based on the mitochondrial cytochrome b gene and 10 nuclear microsatellite loci reveal weak but significant genetic structure among A. narinari populations in this region. Analysis of molecular variance estimates based on both marker types indicate significant differentiation between Florida and Mexico populations, while comparisons with Cuba suggest high levels of gene flow with rays from both Mexico and Florida. Conflicting results were found from the different marker types when sexes were analyzed separately underscoring the importance of applying multiple marker types when making inferences about population structure and sex-biased dispersal. Results from Bayesian clustering analyses suggest rays may be migrating south out of the Gulf of Mexico and into the northwestern Caribbean Sea. Given the impacts of fisheries on this species, coupled with the lack of population genetic data available, these findings offer valuable information to aid with conservation management strategies.
FIGURE 4 in Redescription of Aetobatus flagellum (Bloch & Schneider, 1801), an endangered eagle ray (Myliobatoidea: Myliobatidae) from the Indo – West Pacific
FIGURE 4. Ventral view of the head of Aetobatus flagellum, CSIRO H 6134–01 (subadult male 431 mm DW).
FIGURE 5 in Redescription of Aetobatus flagellum (Bloch & Schneider, 1801), an endangered eagle ray (Myliobatoidea: Myliobatidae) from the Indo – West Pacific
FIGURE 5. Illustration of the tooth plates of Aetobatus flagellum (CSIRO H 4426–14, subadult male 446 mm DW). A. upper; B. lower. Drawings by Lindsay Marshall.
FIGURE 1. Aetobatus flagellum. A in Redescription of Aetobatus flagellum (Bloch & Schneider, 1801), an endangered eagle ray (Myliobatoidea: Myliobatidae) from the Indo – West Pacific
FIGURE 1. Aetobatus flagellum. A. original illustration from Bloch & Schneider (1801); B. dorsal view of stuffed syntype ZMB 31560.
FIGURE 2 in Redescription of Aetobatus flagellum (Bloch & Schneider, 1801), an endangered eagle ray (Myliobatoidea: Myliobatidae) from the Indo – West Pacific
FIGURE 2. Dorsal view of Aetobatus flagellum. A. CSIRO H 6662–03 (immature male 346 mm DW); B. not retained fresh specimen from Kuwait (female ~500 mm DW).
FIGURE 1. Maximum-likelihood tree inferred using a in Resurrection of the family Aetobatidae (Myliobatiformes) for the pelagic eagle rays, genus Aetobatus
FIGURE 1. Maximum-likelihood tree inferred using a General Time Reversible (GTR+I+G) model based on an alignment of mitochondrial NADH2 sequences (1044 sites) for the eagle, devil and cownose rays.
Data from: Population structure and seasonal migration of the spotted eagle ray, Aetobatus narinari
Open the record for dataset details and reuse information.
FIGURE 6 in Redescription of Aetobatus flagellum (Bloch & Schneider, 1801), an endangered eagle ray (Myliobatoidea: Myliobatidae) from the Indo – West Pacific
FIGURE 6. Dorsal view of the head of Aetobatus flagellum, MNHN A-7949 (adult male 543 mm DW).
FIGURE 3 in Redescription of Aetobatus flagellum (Bloch & Schneider, 1801), an endangered eagle ray (Myliobatoidea: Myliobatidae) from the Indo – West Pacific
FIGURE 3. Ventral view of Aetobatus flagellum, CSIRO H 6134–01 (subadult male 431 mm DW).
Figure 6 from: Cruz-Quintana Y, Caña-Bozada V, Suárez-Morales E, Santana-Piñeros AM (2018) A new species of Pupulina van Beneden, 1892 (Copepoda, Siphonostomatoida, Caligidae) from Aetobatus cf. narinari (Pisces, Myliobatidae) from the Pacific coast of Ecuador. ZooKeys 777: 1-16. https://doi.org/10.3897/zookeys.777.26017
Figure 6 Pupulinamantensis sp. n., adult male. A leg III B leg IV C antenna and post-antennal process D details of second antennal segment showing adhesion pads E mouth tube and mandible F terminal segment of antenna showing adhesion pads.
Figure 2 from: Cruz-Quintana Y, Caña-Bozada V, Suárez-Morales E, Santana-Piñeros AM (2018) A new species of Pupulina van Beneden, 1892 (Copepoda, Siphonostomatoida, Caligidae) from Aetobatus cf. narinari (Pisces, Myliobatidae) from the Pacific coast of Ecuador. ZooKeys 777: 1-16. https://doi.org/10.3897/zookeys.777.26017
Figure 2 Pupulinamantensis sp. n., adult female. A habitus, dorsal view B same, ventral view C lateral border of cephalothorax, ventral view D leg V E caudal ramus F egg sac G antennule H antenna and post-antennal process I mandible J dentiform process of maxillule and post-oral process K maxilla L distal half of maxilla M maxilliped. Scale bars: A, B 800 µm; D 50 µm; F 450 µm; H 200 µm; K 400 µm; C, E, G, I, J, L, M 100 µm.
Figure 5 from: Cruz-Quintana Y, Caña-Bozada V, Suárez-Morales E, Santana-Piñeros AM (2018) A new species of Pupulina van Beneden, 1892 (Copepoda, Siphonostomatoida, Caligidae) from Aetobatus cf. narinari (Pisces, Myliobatidae) from the Pacific coast of Ecuador. ZooKeys 777: 1-16. https://doi.org/10.3897/zookeys.777.26017
Figure 5 Pupulinamantensis sp. n., adult male. A habitus, ventral view B antenna and postantennal process C leg II D legs V and VI. Scale bars: A, 800 µm; B–D, 100 µm.
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International Brain Laboratory public data
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OpenNeuro
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