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2,258 results for “Catfish”
Fig. 2 in Ectoparasitic copepod infestation on a wild population of Neotropical catfish Sciades herzbergii Bloch, 1794: Histological evidences of lesions on host
Fig. 2. Hemorrhagic cutaneous lesions caused by the infestation of copepods on S. herzbergii. a. Ventral view. b. Pectoral fins and mouth.
Fig. 3 in Ectoparasitic copepod infestation on a wild population of Neotropical catfish Sciades herzbergii Bloch, 1794: Histological evidences of lesions on host
Fig. 3. Cross section of healthy skin of S. herzbergii, showing the different layers that make it up (Hematoxylin-eosin staining) (100X).
Figure 2 in Carbon primary sources and estuarine habitat use by two congeneric ariid catfishes in a subtropical coastal lagoon
Figure 2. Carbon isotope ratios (d13C) and total length (TL, mm) of individuals of Genidens genidens (closed circles) and Genidens barbus (open circles) collected in the interface between the estuarine and freshwater zones of Patos Lagoon in present study. DISCUSSION According to the model of the life cycle suggested by ARAúJO (1988), G. barbus move between freshwater to the estuary during their first year of life. After reaching sexual maturity, adults migrate to the ocean, returning to freshwater to spawn. Our work with stable isotopes corroborates the general movement pattern proposed in this model by providing evidence that the primary producers at the estuary are an important source of carbon for juveniles of G. barbus during the initial phase of their development. There is no current model describing the life cycle of G. genidens at the Patos Lagoon. ARAúJO (1988) mentioned that this species remains in the upper limit of the estuarine zone or in the limnetic portion of the lagoon and that its juveniles are occasionally found in the estuary. Based on fish sampling restricted to the mixohaline zone of the Patos Lagoon, some authors classified this species as estuarine resident (CHAO et al. 1985, ARAúJO 1988). However, VIEIRA et al. (2010) demonstrated that G. genidens occurs from the estuary to the uppermost northern portion of the lagoon, which is located ~180 km from the lagoon's connection with the sea, and can remain year round at freshwater. Our work provides new evidence that this catfish species derives energy from the estuarine and freshwater zones of
Figures 15–20 in Monogeneans from Catfishes in Lake Tanganyika. I: Two new species of Bagrobdella (Dactylogyridae) from Auchenoglanis occidentalis (Siluriformes: Claroteidae)
Figures 15–20. MCO of the six species belonging to Bagrobdella: (15) Bagrobdella vanhovei sp. nov.; (16) Bagrobdella vansteenbergei sp. nov.; (17) Bagrobdella auchenoglanii; (18) Bagrobdella fraudulenta; (19) Bagrobdella anthopenis; (20) Bagrobdella parauchenoglanii (Akoumba et al. 2017, Euzet and Le Brun 1990). Scale bar: 20 µm.
Figures 21–26 in Monogeneans from Catfishes in Lake Tanganyika. I: Two new species of Bagrobdella (Dactylogyridae) from Auchenoglanis occidentalis (Siluriformes: Claroteidae)
Figures 21–26. (21) Bagrobdella vanhovei sp. nov. microphotograph in toto; (22) Bagrobdella vansteenbergei sp. nov. microphotograph in toto; (23) Microphotograph of the trapezoidal plate in the haptor of Bagrobdella vanhovei; (24) Button like structure; (25) Semi-circular structure; (26) Egg (B. vanhovei sp. nov). Scale bars: 21 = 100 µm, 22 = 200 µm, 23, 24, 26 = 20 µm, 25 = 50 µm.
Figure 4 in A novel species of sisorid catfish, Pseudecheneis nagalandensis sp. nov., (Teleostei: Sisoridae) from the Chindwin Basin of Nagaland, India
Figure 4. Genital papilla of Pseudecheneis nagalandensis sp. nov., a. male, ZSI FF 7679, 58.7 mm SL; b. female ZSI FF 7680, 36.1 mm SL.
Figure 2 in A novel species of sisorid catfish, Pseudecheneis nagalandensis sp. nov., (Teleostei: Sisoridae) from the Chindwin Basin of Nagaland, India
Figure 2. Thoracic adhesive apparatus of Pseudecheneis nagalandensis sp. nov., showing laminae and sulcae.
Figure 1 in A novel species of sisorid catfish, Pseudecheneis nagalandensis sp. nov., (Teleostei: Sisoridae) from the Chindwin Basin of Nagaland, India
Figure 1. Pseudecheneis nagalandensis sp. nov., holotype, ZSI FF 7679, 58.7 mm SL; a. dorsal, b. lateral and c. ventral view.
Figure 4 in Sexual dimorphism in two catfish species, Mystus pelusius (Solander, 1794) and Glyptothorax silviae Coad, 1981 (Teleostei: Siluriformes)
Figure 4. Sexual dimorphism in coloration in Glyptothorax silviae. Male: ZM-CBSU H935, 73 mm SL; Female: ZM-CBSU H968, 74 mm SL.
Figure 3 in Sexual dimorphism in two catfish species, Mystus pelusius (Solander, 1794) and Glyptothorax silviae Coad, 1981 (Teleostei: Siluriformes)
Figure 3. Sexual dimorphism in genital papilla in Glyptothorax silviae. Female: ZM-CBSU H922, 63 mm SL; H924, 54 mm SL; Male: ZM-CBSU H918, 81 mm SL; H969, 65 mm SL; H921, 75.5 mm SL; H919, 78.5 mm SL (from up to down in each column).
Figure 2 in Sexual dimorphism in two catfish species, Mystus pelusius (Solander, 1794) and Glyptothorax silviae Coad, 1981 (Teleostei: Siluriformes)
Figure 2. Differences between the shape and position of the genital papilla in female and male specimens of Mystus pelusius. Female: ZM-CBSU J3297, 168 mm SL; J3299, 182 mm SL; Male: ZM-CBSU J3298, 200 mm SL; J 3300, 162 mm SL; J3301, 184 mm SL (from up to down in each column).
Figure 1 in Sexual dimorphism in two catfish species, Mystus pelusius (Solander, 1794) and Glyptothorax silviae Coad, 1981 (Teleostei: Siluriformes)
Figure 1. Sexual dimorphism in Mystus pelusius. Female: ZM-CBSU J3297, 168 mm SL; J3299, 182 mm SL; J3303, 196 mm SL; Male: ZM-CBSU J3298 200 mm SL; J3300, 162 mm SL; J3301, 184 mm SL (from up to down in each column).
Fig. 2 in Clarias Nigricans, A New Species Of Clariid Catfish (Teleostei: Siluriformes) From Eastern Borneo
Fig. 2. Dorsal views of heads of: a. Clarias nigricans, ZRC 45590, 197.4 mm SL; b. C. nieuhofii, ZRC 38978, 202.5 mm SL. Scale bar represents 10 mm.
Fig. 4 in Clarias Nigricans, A New Species Of Clariid Catfish (Teleostei: Siluriformes) From Eastern Borneo
Fig. 4. Right pectoral spines of: C. nigricans, ZRC 45590, 197.4 mm SL; b. C. nieuhofii, ZRC 43219, 186.2 mm SL. Scale bar represents 1 mm.
Fig. 3. Scatterplots for C. nigricans and C in Clarias Nigricans, A New Species Of Clariid Catfish (Teleostei: Siluriformes) From Eastern Borneo
Fig. 3. Scatterplots for C. nigricans and C. nieuhofii of head width (HW) against standard length (SL).
Fig. 2 in Oxidative stress biomarkers in the African sharptooth catfish, Clarias gariepinus, associated with infections by adult digeneans and water quality
Fig. 2. Monthly variation of physico-chemical parameters during the fish collection period, October 2016–September 2017. A– pH; B– Electrical conductivity; C– Temperature; D– Dissolved oxygen; E– Salinity; F– Turbidity; G– Total dissolved solids.
Fig. 1 in Oxidative stress biomarkers in the African sharptooth catfish, Clarias gariepinus, associated with infections by adult digeneans and water quality
Fig. 1. Various maps of the Incomati River showing the position of the sampling site. A– Mozambique shaded on the African continent; B– shows position of Maputo Province in Mozambique; C– indicates the position of the Incomati River and the sampling site.
Fig. 5 in Oxidative stress biomarkers in the African sharptooth catfish, Clarias gariepinus, associated with infections by adult digeneans and water quality
Fig. 5. Principal Component Analysis (PCA) of physico-chemical variables, biomarkers and parasitism in Clarias gariepinus collected in the Incomati River in Mozambique. Two principal components (PC1 and PC2) explained 45.45% of the total variation between water variables, biomarkers and occurrence of parasites. The EC, TDS and salinity (SAL) are associated with Component 1 while LPX, CAT, SOD, turbidity (TB) and temperature (T) are negatively associated with these variables. CI = co-infection; IM = M. nkomatiensis intensity; IG = G. pedatum intensity, UN = uninfected.
Figure 2 in Spinal deformities in Amazon sailfin catfish Pterygoplichthys pardalis (Siluriformes: Locariidae), an introduced fish in the Palizada River (Southeastern Mexico)
Figure 2. - Lateral view of deformed Amazon sailfin catfish Pterygoplichthys pardalis from the Palizada River, Campeche (Mexico). A: Kyphosis; B: Scoliosis.
Figure 3. - Dorsal view X in Spinal deformities in Amazon sailfin catfish Pterygoplichthys pardalis (Siluriformes: Locariidae), an introduced fish in the Palizada River (Southeastern Mexico)
Figure 3. - Dorsal view X-ray radiographs of deformed Amazon sailfin catfish Pterygoplichthys pardalis from the Palizada River, Campeche (Mexico). A: Normal specimen; B: Specimen with scoliosis; C: Specimen with kyphosis-scoliosis.
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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)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.