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FIGURE 15 in African weakly electric fishes of the genus Petrocephalus (Osteoglossomorpha: Mormyridae) of Odzala National Park, Republic of the Congo (Lékoli River, Congo River basin) with description of five new species
FIGURE 15. Petrocephalus phylogeny (17 species, 59 specimens, 53 haplotypes) estimated by maximum likelihood using complete cytochrome b sequences (dataset #1; see text). Gnathonemus petersii, Mormyrops nigricans and Myomyrus macrops were used as outgroups to root the tree. Numbers at internal branches are bootstrap proportions (in %) shown only when they exceed 50%. Due to space limitations, support values are not shown for intraspecific relationships. Black vertical bars to the right of the tree indicate specimens sampled from Odzala. White bars (with the river basins from which the specimens were collected) indicate Petrocephalus individuals from other regions of Africa. The scale bar corresponds to 0.04 substitutions per site.
FIGURE 9 in African weakly electric fishes of the genus Petrocephalus (Osteoglossomorpha: Mormyridae) of Odzala National Park, Republic of the Congo (Lékoli River, Congo River basin) with description of five new species
FIGURE 9. Petrocephalus christyi of the Lékoli River system of Odzala National Park, Republic of the Congo. A. Photograph of a live specimen (no scale). B. Photograph of a preserved specimen (scale bar = 1.0 cm). C. EOD waveforms. One EOD was arbitrarily selected from each of two recorded individuals, and they were superimposed together. Both EODs are scaled to the same peak-to-peak voltage, and they are plotted (head-positive up) on the same time scale as an overlay centered on the largest positive peak (scale bar = 0.2 msec).
FIGURE 11. Petrocephalus pulsivertens n in African weakly electric fishes of the genus Petrocephalus (Osteoglossomorpha: Mormyridae) of Odzala National Park, Republic of the Congo (Lékoli River, Congo River basin) with description of five new species
FIGURE 11. Petrocephalus pulsivertens n. sp. of the Lékoli River system of Odzala National Park, Republic of the Congo. A. Photograph of a live specimen (no scale). B. Photograph of the preserved holotype (CU 88085; scale bar = 1.0 cm). C. EOD waveforms. One EOD was arbitrarily selected from each recorded individual and superimposed with the other recordings (N = number of individuals). All EODs are scaled to the same peak-to-peak voltage, and they are plotted (head-positive up) on the same time scale as overlays centered on the largest positive peak of each waveform (scale bar = 0.2 msec).
FIGURE 13. Petrocephalus mbossou n in African weakly electric fishes of the genus Petrocephalus (Osteoglossomorpha: Mormyridae) of Odzala National Park, Republic of the Congo (Lékoli River, Congo River basin) with description of five new species
FIGURE 13. Petrocephalus mbossou n. sp. of the Lékoli River system of Odzala National Park, Republic of the Congo. A. Live photograph of the holotype (CU 92389; no scale). B. Photograph of the preserved holotype (scale bar = 1.0 cm). C. EOD waveform of the holotype. One EOD was arbitrarily selected from all recordings made of this individual. The selected EOD is shown here head-positive up (scale bar = 0.2 msec).
FIGURE 7 in African weakly electric fishes of the genus Petrocephalus (Osteoglossomorpha: Mormyridae) of Odzala National Park, Republic of the Congo (Lékoli River, Congo River basin) with description of five new species
FIGURE 7. Petrocephalus microphthalmus of the Lékoli River system of Odzala National Park, Republic of the Congo. A. Photograph of a live specimen (no scale). B. Photograph of a preserved specimen (scale bar = 1.0 cm). C. EOD waveforms. One EOD was arbitrarily selected from each recorded individual and superimposed with the other recordings (N = number of individuals). All EODs are scaled to the same peak-to-peak voltage, and they are plotted (head-positive up) on the same time scale as overlays centered on the largest positive peak of each waveform (scale bar = 0.2 msec).
FIGURE 1 in African weakly electric fishes of the genus Petrocephalus (Osteoglossomorpha: Mormyridae) of Odzala National Park, Republic of the Congo (Lékoli River, Congo River basin) with description of five new species
FIGURE 1. Map of Africa (right) showing the entire Congo River and its main tributaries together with the neighboring Lower Guinea province (first inset at center). The boundary between the Congo and Lower Guinea provinces is shown by a dashed line. Filled black circles indicate type localities for all Petrocephalus species that were described from either province and were considered valid just prior to the present study. Exact type localities are unknown for P. b a l a y i and P. sauvagii. Based on our understanding of the chronology of Central African exploration at the time of the descriptions, we estimate these type localities to be the following: the vicinity of Pool Malebo on the Lower Congo River near the modern cities of Brazzaville and Kinshasa [4.25° S, 15.29° E] for P. sauvagii; and the vicinity of the present-day city Lambaréné on the Lower Ogooué River [0.7° S, 10.22° E] for P. b a l a y i. Second inset at the far left: detailed map of Odzala National Park, located in the Congo River basin. Within the boundaries of the park, forest is shown in green and savannah in yellow. The red oval indicates our collection area (a segment of the Lékoli drainage system, including the lower parts of two of its tributaries, the Pandaka and Lékénie Rivers).
FIGURE 4. Petrocephalus zakoni n in African weakly electric fishes of the genus Petrocephalus (Osteoglossomorpha: Mormyridae) of Odzala National Park, Republic of the Congo (Lékoli River, Congo River basin) with description of five new species
FIGURE 4. Petrocephalus zakoni n. sp. of the Lékoli River system of Odzala National Park, Republic of the Congo. A. Photograph of a live specimen (no scale). B. Photograph of the preserved holotype (CU 88101; scale bar = 1.0 cm). C. EOD waveforms. One EOD was arbitrarily selected from each recorded individual and superimposed with the other recordings (N = number of individuals). All EODs are scaled to the same peak-to-peak voltage, and they are plotted (head-positive up) on the same time scale as overlays centered on the largest positive peak of each waveform (scale bar = 0.2 msec).
FIGURE 5. Petrocephalus valentini n in African weakly electric fishes of the genus Petrocephalus (Osteoglossomorpha: Mormyridae) of Odzala National Park, Republic of the Congo (Lékoli River, Congo River basin) with description of five new species
FIGURE 5. Petrocephalus valentini n. sp. of the Lékoli River system of Odzala National Park, Republic of the Congo. A. Photograph of a live specimen (no scale). B. Photograph of the preserved holotype (CU 88117; scale bar = 1.0 cm). C. EOD waveforms. One EOD was arbitrarily selected from each recorded individual and superimposed with the other recordings (N = number of individuals). All EODs are scaled to the same peak-to-peak voltage, and they are plotted (head-positive up) on the same time scale as overlays centered on the largest positive peak of each waveform (scale bar = 0.2 msec).
FIGURE 12 in African weakly electric fishes of the genus Petrocephalus (Osteoglossomorpha: Mormyridae) of Odzala National Park, Republic of the Congo (Lékoli River, Congo River basin) with description of five new species
FIGURE 12. Petrocephalus grandoculis of the Lékoli River system of Odzala National Park, Republic of the Congo. A. Photograph of a live specimen (no scale). B. Photograph of a preserved specimen (scale bar = 1.0 cm). C. EOD waveform. One EOD was arbitrarily selected from the only individual of this species recorded in Odzala, an obvious male. The EOD is shown here head-positive up (scale bar = 0.2 msec).
FIGURE 14 in African weakly electric fishes of the genus Petrocephalus (Osteoglossomorpha: Mormyridae) of Odzala National Park, Republic of the Congo (Lékoli River, Congo River basin) with description of five new species
FIGURE 14. Historical illustrations of Petrocephalus species described from Congo or Lower Guinea that occur in Odzala. The drawings were reproduced from the following sources: Petrocephalus binotatus from Pellegrin (1928); Petrocephalus balayi from Boulenger (1909–1916); Petrocephalus microphthalmus from Poll (1967); Petrocephalus christyi from Boulenger (1920); Petrocephalus sauvagii from Boulenger (1909–1916); and Petrocephalus grandoculis from Boulenger (1920).
FIGURE 10 in African weakly electric fishes of the genus Petrocephalus (Osteoglossomorpha: Mormyridae) of Odzala National Park, Republic of the Congo (Lékoli River, Congo River basin) with description of five new species
FIGURE 10. Petrocephalus sauvagii of the Lékoli River system of Odzala National Park, Republic of the Congo. A. Photograph of a live specimen (no scale). B. Photograph of a preserved specimen (scale bar = 1.0 cm). C. EOD waveforms. One EOD was arbitrarily selected from each recorded individual and superimposed with the other recordings (N = number of individuals). All EODs are scaled to the same peak-to-peak voltage, and they are plotted (head-positive up) on the same time scale as overlays centered on the largest positive peak of each waveform (scale bar = 0.2 msec).
FIGURE 6 in African weakly electric fishes of the genus Petrocephalus (Osteoglossomorpha: Mormyridae) of Odzala National Park, Republic of the Congo (Lékoli River, Congo River basin) with description of five new species
FIGURE 6. Petrocephalus balayi of the Lékoli River system of Odzala National Park, Republic of the Congo. A. Photograph of a live specimen (no scale). B. Photograph of a preserved specimen (scale bar = 1.0 cm). C. EOD waveforms. One EOD was arbitrarily selected from each of two recorded individuals, and they were superimposed together. Both EODs are scaled to the same peak-to-peak voltage, and they are plotted (head-positive up) on the same time scale as an overlay centered on the largest positive peak (scale bar = 0.2 msec).
FIGURE 3 in African weakly electric fishes of the genus Petrocephalus (Osteoglossomorpha: Mormyridae) of Odzala National Park, Republic of the Congo (Lékoli River, Congo River basin) with description of five new species
FIGURE 3. Petrocephalus binotatus of the Lékoli River system of Odzala National Park, Republic of the Congo. A. Photograph of a live specimen (no scale: the photo has been maximally enlarged to better illustrate details of body shape, melanin patterning, etc.). B. Photograph of a preserved specimen (scale bar = 1.0 cm). C. EOD waveforms displayed separately for obvious males and other individuals (see text). One EOD was arbitrarily selected from each recorded individual and superimposed with the other recordings (N = number of individuals, given separately for obvious males and all other individuals). All EODs are scaled to the same peak-to-peak voltage, and they are plotted (head-positive up) on the same time scale as overlays centered on the largest positive peak of each waveform (scale bar = 0.2 msec).
FIGURE 8. Petrocephalus odzalaensis n in African weakly electric fishes of the genus Petrocephalus (Osteoglossomorpha: Mormyridae) of Odzala National Park, Republic of the Congo (Lékoli River, Congo River basin) with description of five new species
FIGURE 8. Petrocephalus odzalaensis n. sp. of the Lékoli River system of Odzala National Park, Republic of the Congo. A. Photograph of a live specimen (no scale). B. Photograph of the preserved holotype (CU 88048; scale bar = 1.0 cm). C. EOD waveforms. One EOD was arbitrarily selected from each recorded individual and superimposed with the other recordings (N = number of individuals). All EODs are scaled to the same peak-to-peak voltage, and they are plotted (head-positive up) on the same time scale as overlays centered on the largest positive peak of each waveform (scale bar = 0.2 msec).
FIGURE 2 in African weakly electric fishes of the genus Petrocephalus (Osteoglossomorpha: Mormyridae) of Odzala National Park, Republic of the Congo (Lékoli River, Congo River basin) with description of five new species
FIGURE 2. Knollenorgan rosettes depicted on a schematic drawing of the head of a specimen of Petrocephalus pulsivertens n. sp. Dense clusters of Knollenorgan electroreceptors on the heads of this and several other Petrocephalus species were described by Harder (1968) as the "Augenrosette," "Nackenrosette" and "Kehlrosette," depending on their position on the head. Each black point represents a single Knollenorgan electroreceptor. Several isolated Knollenorgans occur outside these three rosettes (in this individual of P. pulsivertens), but they are not indicated in the drawing for clarity.
Distribution. Botswana, in Okavango Delta along Gomoti River, Zambia in Kafue National Park, and Zimbabwe in Mana Pools National Park; it may occur in Mozambique and South Africa. in Vespertilionidae
Distribution. Botswana, in Okavango Delta along Gomoti River, Zambia in Kafue National Park, and Zimbabwe in Mana Pools National Park; it may occur in Mozambique and South Africa.
Distribution. It is found in S Chile between 35° S (Mataquito River) and 47° S (Lake Buenos Aires, Peninsula Esmeralda & Laguna San Rafael) and in adjacent W Argentina from SW Neuquén Province, southward along the foothills of the Andes to Los Alerces National Park in Chubut Province. in Cervidae
Distribution. It is found in S Chile between 35° S (Mataquito River) and 47° S (Lake Buenos Aires, Peninsula Esmeralda & Laguna San Rafael) and in adjacent W Argentina from SW Neuquén Province, southward along the foothills of the Andes to Los Alerces National Park in Chubut Province.
Cebuella pygmaea pygmaea Napo River bordering Yasuni National Park, NE Ecuador. Photo: Pete Oxford/naturepl.com in Callitrichiade
Cebuella pygmaea pygmaea Napo River bordering Yasuni National Park, NE Ecuador. Photo: Pete Oxford/naturepl.com
Distribution. Restricted to a narrow coastal zone of CW Madagascar (from the Tsiribihina River S to the northern portion of the Menabe Antimena National Park). in Nesomyidae
Distribution. Restricted to a narrow coastal zone of CW Madagascar (from the Tsiribihina River S to the northern portion of the Menabe Antimena National Park).
Distribution. SW Australia, only known from Fitzgerald River National Park in Western Australia and on Boullanger and Whitlock Is. Successfully translocated into Peniup proposed nature reserve, Stirling Range National Park, and Escape I, all in Western Australia. in Dasyuridae
Distribution. SW Australia, only known from Fitzgerald River National Park in Western Australia and on Boullanger and Whitlock Is. Successfully translocated into Peniup proposed nature reserve, Stirling Range National Park, and Escape I, all in Western Australia.
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
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DANDI Archive for NWB datasets
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International Brain Laboratory public data
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OpenNeuro
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