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300 results for “ichthyofauna”
Text-fig. 8. Progyrolepis heyleri POPLIN, 1999. a: maxilla and lower jaw of juvenile specimen in lateral view, GMC 43, whitened, scale bar 5 mm; b: maxilla and lower jaw of juvenile specimen, imprint of the maxillary medial face with a distinctive horizontal lamina, lower jaw in lateral view, GMC 83, whitened, scale bar 5 mm; c: haemal arch of the axial skeleton and fragment of a strong undivided lepidotrichium, GMC 25, whitened, scale bar 5 mm; d: drawing of the haemal arch, GMC 25, scale bar 5 mm; e: jugal in medial view with the infraorbital sensory canal and imprint of the sculpture on the lateral face of the bone, GMC 7, whitened, scale bar 5 mm. Abbreviations: ha – haemal arch, hl – horizontal lamina, hs – haemal spine, ioc – infraorbital sensory canal, lep – lepidotrichium. in New Actinopterygians From The Permian Of The Brive Basin, And The Ichthyofaunas Of The French Massif Central
Text-fig. 8. Progyrolepis heyleri POPLIN, 1999. a: maxilla and lower jaw of juvenile specimen in lateral view, GMC 43, whitened, scale bar 5 mm; b: maxilla and lower jaw of juvenile specimen, imprint of the maxillary medial face with a distinctive horizontal lamina, lower jaw in lateral view, GMC 83, whitened, scale bar 5 mm; c: haemal arch of the axial skeleton and fragment of a strong undivided lepidotrichium, GMC 25, whitened, scale bar 5 mm; d: drawing of the haemal arch, GMC 25, scale bar 5 mm; e: jugal in medial view with the infraorbital sensory canal and imprint of the sculpture on the lateral face of the bone, GMC 7, whitened, scale bar 5 mm. Abbreviations: ha – haemal arch, hl – horizontal lamina, hs – haemal spine, ioc – infraorbital sensory canal, lep – lepidotrichium.
Text-fig. 1. a: Simplified geological map of the Permo-Carboniferous Brive Basin (after Feys 1989) with marked localities L 1 (Brive, road D1089), L 2 (Lanteuil). b: Profile of the Brive Basin (modified from Feys 1989). c: Profile recorded by Guy and Maryse Chantepie in 2007 on the type locality Brive, road D1089. in New Actinopterygians From The Permian Of The Brive Basin, And The Ichthyofaunas Of The French Massif Central
Text-fig. 1. a: Simplified geological map of the Permo-Carboniferous Brive Basin (after Feys 1989) with marked localities L 1 (Brive, road D1089), L 2 (Lanteuil). b: Profile of the Brive Basin (modified from Feys 1989). c: Profile recorded by Guy and Maryse Chantepie in 2007 on the type locality Brive, road D1089.
Text-fig. 6. Briveichthys chantepieorum gen. et sp. nov. a: reconstruction of the skull roof and the nasal in dorsal view, scale bar 5 mm; b: reconstruction of the skull in lateral view (parts of the skull which are not clearly retained are in grey colour), scale bar 5 mm. Abbreviations: ana – anterior nasal opening, Aop – antoperculum, De – dentalosplenial, Dpt – dermopterotic, Dsph – dermosphenotic, Fr – frontal, Gul – lateral gular, ioc – infraorbital canal, Ju – jugal, Mx – maxilla, Na – nasal, Op – operculum, Pa – parietal, pl – pit line, Pop – preoperculum, Pt – posttemporal, Rbr – branchiostegal ray, Scl – supracleithrum, soc – supraorbital canal, Sop – suboperculum, sr – sclerotical ring. in New Actinopterygians From The Permian Of The Brive Basin, And The Ichthyofaunas Of The French Massif Central
Text-fig. 6. Briveichthys chantepieorum gen. et sp. nov. a: reconstruction of the skull roof and the nasal in dorsal view, scale bar 5 mm; b: reconstruction of the skull in lateral view (parts of the skull which are not clearly retained are in grey colour), scale bar 5 mm. Abbreviations: ana – anterior nasal opening, Aop – antoperculum, De – dentalosplenial, Dpt – dermopterotic, Dsph – dermosphenotic, Fr – frontal, Gul – lateral gular, ioc – infraorbital canal, Ju – jugal, Mx – maxilla, Na – nasal, Op – operculum, Pa – parietal, pl – pit line, Pop – preoperculum, Pt – posttemporal, Rbr – branchiostegal ray, Scl – supracleithrum, soc – supraorbital canal, Sop – suboperculum, sr – sclerotical ring.
Text-fig. 5. Briveichthys chantepieorum gen. et sp. nov. a, b: photograph and drawing of the left antoperculum and operculum in lateral view, GMC 90, whitened, scale bars 5 mm; c: left preoperculum in medial view, GMC 90, whitened, scale bar 5 mm; d: left lateral gular in dorsal view, GMC 15, scale bar 5 mm; e: drawing of the right suboperculm of Progyrolepis heyleri in lateral view (after Štamberg 2018: text-fig. 19f), scale bar 5 mm; f: left suboperculum of Progyrolepis heyleri in medial view, GMC 116, scale bar 5 mm; g: left suboperculum of Briveichthys chantepieorum gen. et sp. nov. in medial view, GMC 15, scale bar 5 mm; h, j: photograph and drawing of the scale from the midline on the back, GMC 126, whitened, scale bars 2 mm; k: scales on the back of the body and ridge scale in front of the dorsal fin, GMC 126, whitened, scale bar 2 mm. Abbreviations: Aop – antoperculum, Op – operculum. in New Actinopterygians From The Permian Of The Brive Basin, And The Ichthyofaunas Of The French Massif Central
Text-fig. 5. Briveichthys chantepieorum gen. et sp. nov. a, b: photograph and drawing of the left antoperculum and operculum in lateral view, GMC 90, whitened, scale bars 5 mm; c: left preoperculum in medial view, GMC 90, whitened, scale bar 5 mm; d: left lateral gular in dorsal view, GMC 15, scale bar 5 mm; e: drawing of the right suboperculm of Progyrolepis heyleri in lateral view (after Štamberg 2018: text-fig. 19f), scale bar 5 mm; f: left suboperculum of Progyrolepis heyleri in medial view, GMC 116, scale bar 5 mm; g: left suboperculum of Briveichthys chantepieorum gen. et sp. nov. in medial view, GMC 15, scale bar 5 mm; h, j: photograph and drawing of the scale from the midline on the back, GMC 126, whitened, scale bars 2 mm; k: scales on the back of the body and ridge scale in front of the dorsal fin, GMC 126, whitened, scale bar 2 mm. Abbreviations: Aop – antoperculum, Op – operculum.
Text-fig. 4. Briveichthys chantepieorum gen. et sp. nov. a, b: photograph and drawing of the parasphenoid in dorsal view, GMC 15, whitened, scale bars 5 mm; c: maxillary plate in medial view with horizontal lamina along the ventral edge of the bone, segment of the lower jaw with assembly of large slender teeth of the inner row and coronoids with small teeth, GMC 15, whitened, scale bar 5 mm; d: detail of the sculpture on the maxilla and dentalosplenial, GMC 126, whitened, scale bar 5 mm; e: detail of the teeth of the inner and outer row and coronoids on the lower jaw, the frame delineates the area illustrated in (f) at higher magnification, GMC 15, scale bar 2 mm; f: microsculpture formed by elliptical proximo-distally elongated protuberances on the large conical teeth, GMC 15, scale bar 100 µm; g: small fringing fulcra tightly attached to the anterior edge of a lepidotrichium, individual fulcral scales are indicated by arrows, GMC 18, scale bar 2 mm. Abbreviation: bhf – bucco-hypophysial foramen, Cor – coronoids, cp – corpus parasphenoidis, De – dentalosplenial, hl – horizontal lamina, mc – pores of the mandibular sensory canal, Mx – maxilla, paa – processus ascendens anterior, pap – processus ascendens posterior. in New Actinopterygians From The Permian Of The Brive Basin, And The Ichthyofaunas Of The French Massif Central
Text-fig. 4. Briveichthys chantepieorum gen. et sp. nov. a, b: photograph and drawing of the parasphenoid in dorsal view, GMC 15, whitened, scale bars 5 mm; c: maxillary plate in medial view with horizontal lamina along the ventral edge of the bone, segment of the lower jaw with assembly of large slender teeth of the inner row and coronoids with small teeth, GMC 15, whitened, scale bar 5 mm; d: detail of the sculpture on the maxilla and dentalosplenial, GMC 126, whitened, scale bar 5 mm; e: detail of the teeth of the inner and outer row and coronoids on the lower jaw, the frame delineates the area illustrated in (f) at higher magnification, GMC 15, scale bar 2 mm; f: microsculpture formed by elliptical proximo-distally elongated protuberances on the large conical teeth, GMC 15, scale bar 100 µm; g: small fringing fulcra tightly attached to the anterior edge of a lepidotrichium, individual fulcral scales are indicated by arrows, GMC 18, scale bar 2 mm. Abbreviation: bhf – bucco-hypophysial foramen, Cor – coronoids, cp – corpus parasphenoidis, De – dentalosplenial, hl – horizontal lamina, mc – pores of the mandibular sensory canal, Mx – maxilla, paa – processus ascendens anterior, pap – processus ascendens posterior.
FIGURE 4 in Drastic reduction of the functional diversity of native ichthyofauna in a Neotropical lake following invasion by piscivorous fishes
FIGURE 4 | Temporal changes in species richness (dashed lines) and functional richness (FRic; continous lines) of the ichthyofauna from Carioca Lake, Middle Rio Doce basin, state of Minas Gerais, considering two scenarios: "all species", including native and non-native; and "only native species" (left figures). Plotted values expressed as a proportion to the maximum richness. The arrows represent the first records of the introduced piscivorous Cichla kelberi (in 1985) and Pygocentrus nattereri (in 1992) in the system. The upper plots represent the functional space (only two dimensions for simplify visualization), with polygons indicating the proportion filled by the set of species (FRic) in each year. Right figures illustrate the functional space showing the position of each species. Green and blue colors indicate, respectively, the native and introduced species, and crosses indicate native species extirpated from the lake. Codes at the ends of the arrows are the most important ecomorphological traits for each axis of the PCA (for functional trait and species codes, see Tab. 1 and Tab. S2).
FIGURE 3 in Drastic reduction of the functional diversity of native ichthyofauna in a Neotropical lake following invasion by piscivorous fishes
FIGURE 3 | Compositional change of the ichthyofauna from Carioca Lake, Middle Rio Doce basin state of Minas Gerais, southeastern Brazil. Green and blue squares indicate, respectively, the presence of native and introduced species in each year.
FIGURE 1 in Drastic reduction of the functional diversity of native ichthyofauna in a Neotropical lake following invasion by piscivorous fishes
FIGURE 1 | The lacustrine system of the Middle Rio Doce basin, state of Minas Gerais, Brazil. The green polygon delimits the area of the Rio Doce State Park (PERD) and the white circle indicates the location of Carioca Lake.
FIGURE 2 in Drastic reduction of the functional diversity of native ichthyofauna in a Neotropical lake following invasion by piscivorous fishes
FIGURE 2 | Morphometric measures taken from digital pictures: CPd – caudal-peduncle minimal depth, CFd – caudal-fin maximum depth, CFs – caudal-fin surface, PFi – distance from pectoral-fin insertion to the bottom of the body, PFb – body depth at the level of the pectoral-fin insertion, PFl – pectoral-fin length, PFs – pectoral-fin surface, Hd – head depth along the vertical axis of the eye, Ed – eye diameter, Eh – distance from the center of the eye to the bottom of the head, Mo – distance from the tip of the upper jaw to the bottom of the head along the head depth axis. Adapted from Leitão et al. (2016).
Fig. 1 in Functional trophic composition of the ichthyofauna of forest streams in eastern Brazilian Amazon
Fig. 1. Location of the 18 sampled streams reaches (enlarged detail) in the northeastern region of Pará. The road network shown on the map relates only to the main roads.
Рис. 3. Схема миграций виΑов рыб, участвующих в современной Αинамике ихтиофауны на территории НТТ: 1 — разΛивы; 2 — намывы. Черным цветом обозначены направΛения миграций из реки Туманной; красным — из оз. Хасан и РазΛивов; синим — с мест зимовки в реках южного Приморья; зеΛеным — сезонные миграции из южных морей Fig. 3. Scheme of migration of fish species involved in the modern dynamics of ichthyofauna on the territory of LRT: 1 — spills; 2 — alluvial. Black color indicates the direction of migration from the Tumannaya river; red — from lake Khasan and spills; blue — from wintering places in the rivers of southern Primorye; green — seasonal migration from the south seas in Transboundary Migration And The Local Constraints In The Dynamic Of Fish Fauna In The Lower Reaches Of Tumannaya River
Рис. 3. Схема миграций виΑов рыб, участвующих в современной Αинамике ихтиофауны на территории НТТ: 1 — разΛивы; 2 — намывы. Черным цветом обозначены направΛения миграций из реки Туманной; красным — из оз. Хасан и РазΛивов; синим — с мест зимовки в реках южного Приморья; зеΛеным — сезонные миграции из южных морей Fig. 3. Scheme of migration of fish species involved in the modern dynamics of ichthyofauna on the territory of LRT: 1 — spills; 2 — alluvial. Black color indicates the direction of migration from the Tumannaya river; red — from lake Khasan and spills; blue — from wintering places in the rivers of southern Primorye; green — seasonal migration from the south seas
Figure 1 in Current knowledge of New Caledonian marine and freshwater ichthyofauna, SW Pacific Ocean: diversity, exploitation, threats and management actions
Figure 1. – Location of New Caledonia in the southwest Pacific. Dotted lines: limits of the New Caledonian EEZ, triangles: main seamounts, blue zones: UNESCO world heritage areas, and red hatched zones: fully protected marine areas. Modified from New Caledonian Government, Global seamounts database, The Pew charitable trust.
Figure 1 in Taxonomic, morphometric and limnological assessment of the commercially important ichthyofauna of Sakhakot Stream, Malakand, Pakistan
Figure 1. Study area, District Malakand, Pakistan, where sample collection was carried out. A. Sakhakot Stream, B. Dargai Stream, C. Shergarh Stream.
Рис. 1. Карта-схема р. Амазар. Цифрами обозначены: I — места Αобычи россыпного зоΛота; II — участки иссΛеΑования в 2018–2019 гг.: 1 — реки Амазар и БоΛьшая Чичатка в районе пгт. Амазар, 2 — воΑохраниΛище, 3 — р. Крестовая, 4 — р. Амазар в нижнем течении Fig. 1. Schematic map of the Amazar River. Legend: I — placer gold mining areas; II — survey areas in 2018–2019: 1 — the Amazar and the Bolshaya Chichatka Rivers in the area of Amazar urban-type settlement, 2 — water storage reservoir, 3 — the Krestovaya River, 4 — the lower reaches of the Amazar River in Dynamics and current status of the Amazar River ichthyofauna after the construction of the PPM «Polyarnaya» hydroelectric complex
Рис. 1. Карта-схема р. Амазар. Цифрами обозначены: I — места Αобычи россыпного зоΛота; II — участки иссΛеΑования в 2018–2019 гг.: 1 — реки Амазар и БоΛьшая Чичатка в районе пгт. Амазар, 2 — воΑохраниΛище, 3 — р. Крестовая, 4 — р. Амазар в нижнем течении Fig. 1. Schematic map of the Amazar River. Legend: I — placer gold mining areas; II — survey areas in 2018–2019: 1 — the Amazar and the Bolshaya Chichatka Rivers in the area of Amazar urban-type settlement, 2 — water storage reservoir, 3 — the Krestovaya River, 4 — the lower reaches of the Amazar River
Рис. 4. РаспреΑеΛение рыб в верхнем и нижнем бьефе в периоΑ осенней миграции 2018 г. (а) и верхнем бьефе в весеннюю миграцию 2019 г. (б). Точками показаны места фиксации рыб эхоΛотом Fig. 4. Distribution of fish upstream and downstream of the reservoir during the autumn migration of 2018 (а) and upstream of the reservoir during the spring migration of 2019 (b). Points indicate the locations where fish were registered by echosounder in Dynamics and current status of the Amazar River ichthyofauna after the construction of the PPM «Polyarnaya» hydroelectric complex
Рис. 4. РаспреΑеΛение рыб в верхнем и нижнем бьефе в периоΑ осенней миграции 2018 г. (а) и верхнем бьефе в весеннюю миграцию 2019 г. (б). Точками показаны места фиксации рыб эхоΛотом Fig. 4. Distribution of fish upstream and downstream of the reservoir during the autumn migration of 2018 (а) and upstream of the reservoir during the spring migration of 2019 (b). Points indicate the locations where fish were registered by echosounder
Рис. 5. РаспреΑеΛение рыб в верхнем бьефе воΑохраниΛища по размерным группам в периоΑ осенней миграции. Размеры рыб: а — меΛкие (Αо 10 см); б — среΑние (10–20 см); в — крупные (боΛее 20 см) Fig. 5. Distribution of fish upstream of the reservoir by size during the autumn migration. Fish sizes: а — small (under 10 cm); b — medium (10–20 cm); c — large (exceeding 20 cm) in Dynamics and current status of the Amazar River ichthyofauna after the construction of the PPM «Polyarnaya» hydroelectric complex
Рис. 5. РаспреΑеΛение рыб в верхнем бьефе воΑохраниΛища по размерным группам в периоΑ осенней миграции. Размеры рыб: а — меΛкие (Αо 10 см); б — среΑние (10–20 см); в — крупные (боΛее 20 см) Fig. 5. Distribution of fish upstream of the reservoir by size during the autumn migration. Fish sizes: а — small (under 10 cm); b — medium (10–20 cm); c — large (exceeding 20 cm)
Fig. 2 in Influence of habitat connectivity and seasonality on the ichthyofauna structure of a riverine knickzone
Fig. 2. Non-metric multidimensional plots of the abundance of fish assemblage sampled in isolated (I) and connected (C) pools during the rainy and dry season in the Sapucaí-Mirim River knickzone, Southeast Brazil.
Fig. 2 in Can dams affect the trophic structure of ichthyofauna? A long-term effects in the Neotropical region
Fig. 2. Detrended Correspondence Analysis (DCA) (biplot) considering the fish species of each stretch and the different trophic categories in Jurumirim Reservoir, Upper Paranapanema River, state of São Paulo, Brazil. Acronym of the species in the Table III.
Fig. 3 in Can dams affect the trophic structure of ichthyofauna? A long-term effects in the Neotropical region
Fig. 3. Importance of trophic guilds (in numeric abundance and biomass) by stretch (lotic, transition, and lentic) of Jurumirim Reservoir, Upper Paranapanema River, state of São Paulo, Brazil.
Fig. 4 in Can dams affect the trophic structure of ichthyofauna? A long-term effects in the Neotropical region
Fig. 4. Proportion of the resources used by the species in the three studied zones in Jurumirim Reservoir, Upper Paranapanema River, state of São Paulo, Brazil: 1, Lotic; 2, Transition; 3, Lentic.
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