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77 results for “Sculpin”
FIGURE 13. Myoxocephalus quadricornis lonnbergi Berg, 1916 ZIN 20691 in An annotated type catalogue of freshwater sculpins (Cottoidei) described by Lev Berg
FIGURE 13. Myoxocephalus quadricornis lonnbergi Berg, 1916 ZIN 20691, holotype, photo (A) and radiograph (B).
FIGURE 6. Batrachocottus nikolski multiradiatus Berg, 1907 ZIN 13750 in An annotated type catalogue of freshwater sculpins (Cottoidei) described by Lev Berg
FIGURE 6. Batrachocottus nikolski multiradiatus Berg, 1907 ZIN 13750, lectotype, photo (A) and radiograph (B).
FIGURE 1 in An annotated type catalogue of freshwater sculpins (Cottoidei) described by Lev Berg
FIGURE 1. Scheme of measurements: 1–2, total length; 1–3, standard length (SL); 1–4, head length; 1–5, predorsal length; 1–9, preanal length; 5–6, maximum body depth; 7–8, depth of caudal peduncle; 14–3, length of caudal peduncle; 5–10, length of first dorsal-fin base; 11–12, length of second dorsal-fin base; 10–11, distance between first and second dorsal fins; 13–14, length of anal-fin base; 15–16, length of longest first dorsal-fin ray; 17–18, length of longest second dorsal-fin ray; 19–20, length of longest anal-fin ray; 21–22, pectoral-fin length; 23–24, pelvic-fin length; 25–26, eye horizontal diameter; 28–29, head depth; 1–25, snout length; 26–4, postorbital length; 1–27, upper jaw length; 30–31, length of gill slit; 32–33, interorbital width; 34–35, head width.
FIG. 3 in Taurus of the Tidepool? Inferring the Function of Cranial Weapons in Intertidal Sculpins (Pisces: Cottoidea: Oligocottinae)
FIG. 3. Phylomorphospace of preopercle shape for Oligocottinae. Each colored dot represents the average preopercle shape for a given species. The fill color of each dot reflects the average rFA of that species. The outline color of each dot represents the kind of allometric trajectory of each species (color follows that of Fig. 2). The shape change captured by PC1 and PC2 is represented by transformation of a model of the average shape of the preopercle in Oligocottinae, with a TPS transformation grid overlaid. A CT reconstruction of the left preopercle from an average specimen of the species that occupies the extreme values of each PC axis is placed near the species location in morphospace, with a dashed gray line connecting the preopercle to the point representing its species. Clockwise, from the top, the illustrated specimens are: Clinocottus acuticeps (UAM 47689, 44.00 mm SL), Chitonotus pugetensis (OS 5269, 92.95 mm SL), Artedius corallinus (SIO 51-34, 59.84 mm SL), and Clinocottus recalvus (SIO 51-249, 59.00 mm SL).
FIG. 2 in Taurus of the Tidepool? Inferring the Function of Cranial Weapons in Intertidal Sculpins (Pisces: Cottoidea: Oligocottinae)
FIG. 2. Allometric trajectories of three representative oligocottine sculpins. The regression score (vertical axis) represents the axis of maximum variance of allometric shape change of the preopercle and is unique to each species. A TPS transformation grid overlayed on a model of a preopercle that has been warped to show the change in shape illustrates the extremes of variation along that axis. The species illustrated (from top to bottom) are: Artedius lateralis, Oligocottus rubellio, and Leiocottus hirundo. Solid lines indicate a statistically significant relationship between preopercle shape and the standard length of the specimen; dashed line indicates a non-significant relationship (e.g., isometry). Stars and points in each plot represent the symmetric component of the shape of the left and right preopercle for an individual specimen of a given species. The inset preopercles in each graph show the morphology of the left preopercle of a small, medium, and large specimen of each species (respectively, from left to right; each specimen marked by a star). The color of stars, points, and regression lines in each plot represents the allometric trajectory such that green is negative (top graph), purple is positive (middle graph), and dark blue is isometry (bottom graph).
FIG. 2 in What Are You Doing Here? A Sculpin Endemic to Arkansas and Missouri (Cottus immaculatus) Appears in Connecticut
FIG. 2. Specimens of Cottus immaculatus collected in Connecticut. Both specimens were photographed shortly after collection and euthanasia, and were accessioned thereafter (UCONN 8522). (A) Male, 73 mm standard length. (B) Female, 68 mm standard length.
FIG. 1 in What Are You Doing Here? A Sculpin Endemic to Arkansas and Missouri (Cottus immaculatus) Appears in Connecticut
FIG. 1. Localities at which Cottus cognatus and C. immaculatus have been recorded in Connecticut. Black symbols indicate sites where specimens have been captured in stream monitoring but not collected. Red symbols indicate sites where specimens were collected and examined for this study.
FIG. 1 in Taurus of the Tidepool? Inferring the Function of Cranial Weapons in Intertidal Sculpins (Pisces: Cottoidea: Oligocottinae)
FIG. 1. Location and morphology of the preopercle (outlined in red) in Clinocottus analis (left panel; OS 26170, 76.55 mm SL) and diversity of preopercle shape as represented in six phylogenetically dispersed cottoid species (right panel, clockwise from top left): Cottiusculus gonez (SU 69887, 36.6 mm SL), Antipodocottus galatheae (LACM 42620-7, 48.8 mm SL), Enophrys diceraus (OS 15214, 67.27 mm SL), Artediellus gomojunovi (UW 20981, 64.0 mm SL), Microcottus sellaris (OS 11467, 89.0 mm SL), Hemilepidotus spinosus (OS 3769, 62.0 mm SL). Scale bar is 5 mm.
Data from: Complex phylogeography and historical hybridization between sister taxa of freshwater sculpin (Cottus).
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Data from: Genetic population structure in prickly sculpin (Cottus asper) reflects isolation by environment between two life history ecotypes
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Data from: 2D or Not 2D? Testing the utility of 2D vs. 3D landmark data in geometric morphometrics of the sculpin subfamily Oligocottinae (Pisces; Cottoidea)
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Data from: Adaptive genomic divergence under high gene flow between freshwater and brackish-water ecotypes of prickly sculpin (Cottus asper) revealed by Pool-Seq
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Data from: Adaptive morphological shifts to novel habitats in marine sculpin fishes
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Data from: Summer stream temperatures influence sculpin distributions and spatial partitioning in the Upper Clark Fork River Basin, Montana
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Data from: Phylogeography of the prickly sculpin (Cottus asper) in north-western North America reveals parallel phenotypic evolution across multiple coastal–inland colonizations
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Data from: Conservation genetics of prickly sculpin (Cottus asper) at the periphery of its distribution range in Peace River, Canada
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Data from: Novel concordance between geographic, environmental and genetic structure in the ecological generalist prickly sculpin (Cottus asper) in California
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Data from: Developmental tuning of mineralization drives morphological diversity of gill cover bones in sculpins and their relatives
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Data from: Complete mitochondrial genome of the poorly known Amur sculpin Mesocottus haitej (Cottoidei: Cottidae)
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FIGURE 6 in Cottus schitsuumsh, a new species of sculpin (Scorpaeniformes: Cottidae) in the Columbia River basin, Idaho-Montana, USA
FIGURE 6. Preopercular bone of Cottus schitsuumsh (left) and of Cottus confusus (right).
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