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24 results for “Heterorhabdus”
FIGURE 5 in Environmental predictors of the life history of the flag tetra Hyphessobrycon heterorhabdus (Characiformes: Characidae) in streams of the Eastern Amazon
FIGURE 5 | Estimated standard length where 50% (L50) and 100% (L100) of the population reached sexual maturity for males (A) and females (B) of Hyphessobrycon heterorhabdus sampled between March 2019 and January 2020 in streams of the Guamá River basin, Eastern Amazon, State of Pará, Brazil.
FIGURE 3 in Environmental predictors of the life history of the flag tetra Hyphessobrycon heterorhabdus (Characiformes: Characidae) in streams of the Eastern Amazon
FIGURE 3 | Gonadosomatic Index Variation (GSI) of males (A) and females (B) and gonadal maturation stage of males (C) and females (D) of Hyphessobrycon heterorhabdus sampled between March 2019 and January 2020 in the Guamá River basin, Eastern Amazon, State of Pará, Brazil. The dashed line represents the accumulated monthly rainfall.
FIGURE 6 in Environmental predictors of the life history of the flag tetra Hyphessobrycon heterorhabdus (Characiformes: Characidae) in streams of the Eastern Amazon
FIGURE 6 | Variation in the oocyte diameter of Hyphessobrycon heterorhabdus sampled between March 2019 and January 2020 in streams of the Guamá River basin, Eastern Amazon, State of Pará, Brazil (A). The dashed black line indicates the minimum diameter of the vitellogenic oocytes. Mature ovary with oocytes in different stages of maturation (B). Photomicrograph of mature (C) and spawned (D) ovary with oocytes in different stages of maturation: I, stage I oocyte; II, stage II oocyte; III, stage III oocyte; IV, stage IV oocyte; AO, atretic oocyte; POF, post ovulatory follicle.
FIGURE 2 in Environmental predictors of the life history of the flag tetra Hyphessobrycon heterorhabdus (Characiformes: Characidae) in streams of the Eastern Amazon
FIGURE 2 | Sex ratio of Hyphessobrycon heterorhabdus sampled between March 2019 and January 2020 in the Guamá River basin, Eastern Amazon, State of Pará, Brazil. Asterisk represents significant differences in sex ratio and the dashed line represents the accumulated monthly rainfall.
FIGURE 4 in Environmental predictors of the life history of the flag tetra Hyphessobrycon heterorhabdus (Characiformes: Characidae) in streams of the Eastern Amazon
FIGURE 4 |Variation of Condition Factor (K) for males (A) and females (B) ofHyphessobrycon heterorhabdus sampled between March 2019 and January 2020 in the Guamá River basin, Eastern Amazon, State of Pará, Brazil. The dashed line represents the accumulated monthly rainfall.
FIGURE 1 in Environmental predictors of the life history of the flag tetra Hyphessobrycon heterorhabdus (Characiformes: Characidae) in streams of the Eastern Amazon
FIGURE 1 | Location of the streams (black circles) in the Guamá River basin, Eastern Amazon, State of Pará, Brazil, where the specimens of Hyphessobrycon heterorhabdus were sampled between March 2019 and January 2020.
FIGURE 5 in A new Hyphessobrycon (Characiformes: Characidae) of the Hyphessobrycon heterorhabdus species-group from the lower Amazon basin, Brazil
FIGURE 5 | Schematic representation of humeral blotch and anterior portion of midlateral stripe between Hyphessobrycon cantoi (A, ZUEC 14597, paratype 32.1 mm SL, rio Amazonas basin) and H. heterorhabdus (B, INPA 41126, 27.8 mm SL, rio Curuá-Una basin).
FIGURE 3 in A new Hyphessobrycon (Characiformes: Characidae) of the Hyphessobrycon heterorhabdus species-group from the lower Amazon basin, Brazil
FIGURE 3 | Map of the lower rio Tapajós and its confluence with the rio Amazonas, showing the known distribution of Hyphessobrycon cantoi (red circles indicate paratypes localities; yellow diamond indicates type locality).
FIGURE 4 in A new Hyphessobrycon (Characiformes: Characidae) of the Hyphessobrycon heterorhabdus species-group from the lower Amazon basin, Brazil
FIGURE 4 | Neighbor-joining tree of Hyphessobrycon cantoi and others lineages of H. heterorhabdus speciesgroup. Red color indicating the new species. Species were delimited through GMYC, BIN and ABGD analysis. Values in brackets expressed the number variable sites that separate H. cantoi and values in branches indicate bootstrap values.
FIGURE 2 in A new Hyphessobrycon (Characiformes: Characidae) of the Hyphessobrycon heterorhabdus species-group from the lower Amazon basin, Brazil
FIGURE 2 | Hyphessobrycon cantoi. Living specimen, Brazil, Pará, Santarém, stream tributary of lago Maicá (not preserved).
FIGURE 1 in A new Hyphessobrycon (Characiformes: Characidae) of the Hyphessobrycon heterorhabdus species-group from the lower Amazon basin, Brazil
FIGURE 1 | Hyphessobrycon cantoi. A. ZUEC 17228, holotype, 30.2 mm SL, female, Brazil, Pará, Santarém, Alter do Chão, stream tributary of Lago Verde, rio Tapajós basin. B. ZUEC 14597, paratype, 32.1 mm SL, female, Brazil, Pará, Santarém, Mararu, igarapé do Diamantino, rio Amazonas basin.
FIGURE 4 in Spatial and temporal variation of the diet of the flag tetra Hyphessobrycon heterorhabdus (Characiformes: Characidae) in streams of the Eastern Amazon
FIGURE 4 | Variation of the diet of Hyphessobrycon heterorhabdus among stream orders during A. dry and B. flood periods in eight streams of a protected area in the Eastern Amazon, Brazil.
FIGURE 2 in Spatial and temporal variation of the diet of the flag tetra Hyphessobrycon heterorhabdus (Characiformes: Characidae) in streams of the Eastern Amazon
FIGURE 2 | Feeding strategy revealed by Amundsen diagram of Hyphessobrycon heterorhabdus sampled in eight streams of a protected area in the Eastern Amazon, Brazil. A, C, E, and G represent feeding during the dry period, while B, D, F, and H represent the flood period. A and B show the diet considering all streams, whilst C and D represent 1st order streams, E and F represent 2nd order streams, and G and H represent 3rd order streams. V01 = Ephemeroptera (nymph); V02 = Odonata (larvae); V03 = Coleoptera (larvae); V04 = Diptera (larvae); V05 = Diptera (eggs); V06 = Diptera (pupae); V07 = Exoskeleton fragments (autochthonous source); V08 = Exoskeleton fragments (unknown source); V09 = Exoskeleton fragments (allochthonous source); V10 = Isoptera; V11 = Formicidae; V12 = Trichoptera; V13 = Hemiptera; V14 = Ephemeroptera; V15 = Orthoptera; V16 = Coleoptera; V17 = Heteroptera; V18 = Vegetal fragments (allochthonous source).
Fig. 5 in First record of Heterorhabdus papilliger (Calanoida, Heterorhabdidae) from Korean waters based on morphological and molecular features
Fig. 5. Molecular phylogenetic analysis by the neighbor-joining method (Kimura 2-parameter model). Numbers in parentheses indicate GenBank accession number. Numbers at branch points indicate bootstrap values (1000 replicates).
Fig. 4. Heterorhabdus papilliger, Male. A in First record of Heterorhabdus papilliger (Calanoida, Heterorhabdidae) from Korean waters based on morphological and molecular features
Fig. 4. Heterorhabdus papilliger, Male. A. habitus, dorsal; B. habitus, right lateral; C. urosome, dorsal; D. urosome, ventral; E. antennule; F. leg 5 (anterior); G. exopod of left leg 5 (left one: anterior, right one: posterior).
Fig. 2. Heterorhabdus papilliger, Female. A in First record of Heterorhabdus papilliger (Calanoida, Heterorhabdidae) from Korean waters based on morphological and molecular features
Fig. 2. Heterorhabdus papilliger, Female. A. habitus, dorsal; B. habitus, right lateral; C. urosome, dorsal; D. urosome, left lateral; E. urosome, ventral; F. genital somite from different specimen, left lateral; G. genital somite from different specimen, dorsal; H. genital somite from different specimen, right lateral; I. genital somite from different specimen, dorsal; J. antennule.
Fig. 3. Heterorhabdus papilliger, Female. A. leg 1 in First record of Heterorhabdus papilliger (Calanoida, Heterorhabdidae) from Korean waters based on morphological and molecular features
Fig. 3. Heterorhabdus papilliger, Female. A. leg 1; B. leg 2; C. leg 3; D. leg 4; E. leg 5.
Fig. 1 in First record of Heterorhabdus papilliger (Calanoida, Heterorhabdidae) from Korean waters based on morphological and molecular features
Fig. 1. Map of study area showing sampling location.
FIGURE 2 in A new Hyphessobrycon (Characiformes: Characidae) of the Hyphessobrycon heterorhabdus species-group from the Central Amazon basin, Brazil
FIGURE 2. Hyphessobrycon sateremawe new species, living specimen, not preserved, collected with type specimens in the rio Abacaxis basin.
FIGURE 1. Hyphessobrycon sateremawe new species. A in A new Hyphessobrycon (Characiformes: Characidae) of the Hyphessobrycon heterorhabdus species-group from the Central Amazon basin, Brazil
FIGURE 1. Hyphessobrycon sateremawe new species. A) INPA 59494, holotype, 26.2 mm SL, male, Brazil, Amazonas, Nova Olinda do Norte, rio Abacaxis basin, Paraná do Urariá basin. B) INPA 34941, paratype, 24.7 mm CP, female, Brazil, Amazonas, Maués, rio Maués-Açu basin, Paraná do Urariá basin.
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