Figure 1
Geographical location of the Tapiíra community in Jaú National Park, Barcelos municipality, State of Amazonas, Brazil.
Figure 2
Gastrointestinal parasites from Peltocephalus dumerilianus from the Jaú National Park, Barcelos, State of Amazonas. A. Ancyracanthus pinnatifidus, anterior end. B. Paratractis hystrix anterior end. C. Paratractis hystrix, posterior end of the male with two pairs of ventral pre-cloacal papillae, three pairs of ad-cloacal papillae, and five pairs of post-cloacal papillae. D. Atractis trematophila, anterior end. E. Atractis trematophila, posterior end of the female. F. Klossinemella conciliatus, apical view of the anterior end. G. Nematophila grandis, whole view. H. Helicotrema spirale, anterior end. Scale: A, B, D, E - 50 µm; C - 60 µm; F - 20 µm; G - 10mm; H - 500 µm; I - 50 µm.
Figure 3
Paratractis hystrix, State of Amazonas, Brazil. A. Posterior extremity of the male with two pairs of ventral precloacal papillae; three ad-cloacal pairs, two ventral and one ventrolateral; and five more post-cloacal pairs, three ventral and two lateral pairs. B. Mouth with three lips, one dorsal with two papillae and two sub-ventral, each containing one papilla and one amphid. Scale: A and B: 0.05 mm.
Figure 4
Atractis trematophila, Amazonas State, Brazil. A. apical view of the mouth with six indistinct lips. B. Female specimen, detail of the esophagus characteristic of the genus. C. Large spicule. D. Gubernacule. E. Small spicule. F. Posterior extremity of the male with one pair of ventral pre-cloacal papillae, three pairs of ventral ad-cloacal and six more pairs of post-cloacal papillae. The posterior ventral region of the body has small spines aligned in three or four rows ending near the cloacal region. Scale: A, C, D, E, F: 0.05 mm; B: 0.2 mm.
Figure 5
Klossinemella conciliatus, State of Amazonas, Brazil. A. Apical view of mouth with Y-shaped chitinized structures. B. Minor spicule. C. Striated major spicule. D. gubernacle. E. Anterior end of the esophagus with a detail of the bulbar region and excretory pore in the region of the bulb. F. Posterior extremity of the posterior end of male with presence of two pairs of ventral precloacal papillae, four ventral ad cloacal pairs, five ventral post cloacal pairs and three ventrolateral post cloacal pairs. G. Prodelphic female specimen with larvae inside. Scale: A, B, D: 0.025 mm; C, E, F: 0.05 mm; G: 0.2 mm.
Figure 6
Klossinemella sp. 1 and Klossinemella sp. 2. A. Klossinemella sp. 01, apical view of mouth with Y-shaped chitinized structures. B. Klossinemella sp. 02, apical view of mouth with chitinized Y-shaped structures. C. Klossinemella sp. 01, posterior end of male with presence of a pair of ventral pre-cloacal papillae, four pairs of ventral ad-cloacal and two pairs of lateral ad-cloacal papillae, and five terminal papillae arranged in two pairs and one near the insertion of the tail. D. Klossinemella sp. 2, female prodelphic specimen with larvae inside, detail of the presence of spines in the posterior dorsal region and esophagus with a discrete bulbar region and excretory pore in the bulb region. Scale: A, B: 0.025 mm; C: 0.05 mm; D: 0.2 mm.
Figure 7
Klossinemella sp. 3. A. Klossinemella sp. 3, posterior end of the male with presence of three pairs of ventral postcloacal papillae. B. Klossinemella sp. 03, major spicule striated. C. Klossinemella sp. 3, smaller minor spicule and gubernacule. D. Klossinemella sp. 3, apical view of mouth with Y-shaped chitinized structures. E. Klossinemella sp. 3, female prodelphic specimen with larvae inside. F. Klossinemella sp. 3, detail of esophagus with bulbar region and excretory pore in the bulbar region, presence of cervical papillae and nerve ring. Scales: A, B, F: 0.05 mm; C: 0.025 mm; D: 0.018 mm.
Figure 3
Paratractis hystrix, State of Amazonas, Brazil. A. Posterior extremity of the male with two pairs of ventral precloacal papillae; three ad-cloacal pairs, two ventral and one ventrolateral; and five more post-cloacal pairs, three ventral and two lateral pairs. B. Mouth with three lips, one dorsal with two papillae and two sub-ventral, each containing one papilla and one amphid. Scale: A and B: 0.05 mm.
Figure 4
Atractis trematophila, Amazonas State, Brazil. A. apical view of the mouth with six indistinct lips. B. Female specimen, detail of the esophagus characteristic of the genus. C. Large spicule. D. Gubernacule. E. Small spicule. F. Posterior extremity of the male with one pair of ventral pre-cloacal papillae, three pairs of ventral ad-cloacal and six more pairs of post-cloacal papillae. The posterior ventral region of the body has small spines aligned in three or four rows ending near the cloacal region. Scale: A, C, D, E, F: 0.05 mm; B: 0.2 mm.
Figure 5
Klossinemella conciliatus, State of Amazonas, Brazil. A. Apical view of mouth with Y-shaped chitinized structures. B. Minor spicule. C. Striated major spicule. D. gubernacle. E. Anterior end of the esophagus with a detail of the bulbar region and excretory pore in the region of the bulb. F. Posterior extremity of the posterior end of male with presence of two pairs of ventral precloacal papillae, four ventral ad cloacal pairs, five ventral post cloacal pairs and three ventrolateral post cloacal pairs. G. Prodelphic female specimen with larvae inside. Scale: A, B, D: 0.025 mm; C, E, F: 0.05 mm; G: 0.2 mm.
Figure 6
Klossinemella sp. 1 and Klossinemella sp. 2. A. Klossinemella sp. 01, apical view of mouth with Y-shaped chitinized structures. B. Klossinemella sp. 02, apical view of mouth with chitinized Y-shaped structures. C. Klossinemella sp. 01, posterior end of male with presence of a pair of ventral pre-cloacal papillae, four pairs of ventral ad-cloacal and two pairs of lateral ad-cloacal papillae, and five terminal papillae arranged in two pairs and one near the insertion of the tail. D. Klossinemella sp. 2, female prodelphic specimen with larvae inside, detail of the presence of spines in the posterior dorsal region and esophagus with a discrete bulbar region and excretory pore in the bulb region. Scale: A, B: 0.025 mm; C: 0.05 mm; D: 0.2 mm.
Figure 7
Klossinemella sp. 3. A. Klossinemella sp. 3, posterior end of the male with presence of three pairs of ventral postcloacal papillae. B. Klossinemella sp. 03, major spicule striated. C. Klossinemella sp. 3, smaller minor spicule and gubernacule. D. Klossinemella sp. 3, apical view of mouth with Y-shaped chitinized structures. E. Klossinemella sp. 3, female prodelphic specimen with larvae inside. F. Klossinemella sp. 3, detail of esophagus with bulbar region and excretory pore in the bulbar region, presence of cervical papillae and nerve ring. Scales: A, B, F: 0.05 mm; C: 0.025 mm; D: 0.018 mm.
Table 1
Prevalence (%),Confidence Interval (CI), mean abundance, mean intensity, and range of intensity of gastrointestinal parasites in Peltocephalus dumerilianus from the Jaú National Park, Barcelos, State of Amazonas, Brazil.
Table 2
Carapace length and weight by sex and age of Peltocephalus dumerialianus from the Jaú National Park, Barcelos, State of Amazonas, Brazil.