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20 results for “Sphyrnidae”
Figure 3 in First record of scalloped hammerhead shark Sphyrna lewini (Carcharhiniformes: Sphyrnidae) in freshwater habitat
Figure 3. Another side of S. lewini on 6 April 2020 in Mahakam river at Muara Baroh village, Muara Pahu subdistrict, Kutai Barat district, East Kalimantan province (Photo: Yuni Sri Wahyuni).
Figure 1 in First record of scalloped hammerhead shark Sphyrna lewini (Carcharhiniformes: Sphyrnidae) in freshwater habitat
Figure 1. Location of known S. lewini in Borneo. Yelow circles are S. lewini recorded in Bornean waters after Last et al. (2010), and red circle is recent inland record from Mahakam river, East Kalimantan province.
FIGURE 8 in Sphyrna gilberti sp. nov., a new hammerhead shark (Carcharhiniformes, Sphyrnidae) from the western Atlantic Ocean
FIGURE 8. Box and whisker plot for number of precaudal vertebrae for Sphyrna gilberti sp. nov. (n = 54) and S. lewini (n = 26) specimens examined in this study. Bars represent minimum and maximum observed values, grey box represents lower and upper quantiles, + indicates the mean, center line represents the median and the notch indicates the 95% confidence interval around the median.
FIGURE 6 in Sphyrna gilberti sp. nov., a new hammerhead shark (Carcharhiniformes, Sphyrnidae) from the western Atlantic Ocean
FIGURE 6. Dorsal (A) and ventral (B) views of the cephalofoil from the holotype of Sphyrna gilberti sp. nov. collected in Bulls Bay, South Carolina, U.S.A. UF 183577, 467 mm STL. Note that indention in ventral view of the left nacelle is an artifact of preservation.
FIGURE 5 in Sphyrna gilberti sp. nov., a new hammerhead shark (Carcharhiniformes, Sphyrnidae) from the western Atlantic Ocean
FIGURE 5. Holotype of Sphyrna gilberti sp. nov. collected in Bulls Bay, South Carolina, U.S.A. UF 183577, 467 mm STL.
FIGURE 4 in Sphyrna gilberti sp. nov., a new hammerhead shark (Carcharhiniformes, Sphyrnidae) from the western Atlantic Ocean
FIGURE 4. Plot of the first two principal components for five meristic variables for putative Sphryna lewini specimens collected in the coastal waters of South Carolina. Gray circles indicate specimens with genotypes corresponding to S. lewini while black circles indicate specimens with genotypes identified as a cryptic species by Quattro et al. 2006.
FIGURE 1 in Sphyrna gilberti sp. nov., a new hammerhead shark (Carcharhiniformes, Sphyrnidae) from the western Atlantic Ocean
FIGURE 1. Collection locations of Sphyrna gilberti sp. nov. off the coast of South Carolina, U.S.A.. Black circle indicates sampling location for the holotype (UF 183577)..
FIGURE 3 in Sphyrna gilberti sp. nov., a new hammerhead shark (Carcharhiniformes, Sphyrnidae) from the western Atlantic Ocean
FIGURE 3. Plot of the first two principal components for 67 size-adjusted morphometric variables for putative Sphryna lewini specimens collected in the coastal waters of South Carolina. Gray circles indicate specimens with genotypes corresponding to S. lewini while black circles indicate specimens with genotypes identified as a cryptic species by Quattro et al. 2006.
FIGURE 2 in Sphyrna gilberti sp. nov., a new hammerhead shark (Carcharhiniformes, Sphyrnidae) from the western Atlantic Ocean
FIGURE 2. Phylogenetic relationships among mtDNA control region haplotypes. Parsimony reconstructions are depicted. Numbers near nodes are maximum parsimony/maximum likelihood bootstrap values. Haplotype descriptions, codes and collection locations can be found in Quattro et al. (2006).
FIGURE 8 in Sphyrna alleni sp. nov., a new hammerhead shark (Carcharhiniformes, Sphyrnidae) from the Caribbean and the Southwest Atlantic.
FIGURE 8. Sphyrna alleni sp. nov. A) Horizontal view of the shark; B) dermal denticles; C) upper and D) lower teeth; Dorsal and ventral representation of the head shape of E) Female and F) Male. Illustrations: Gina Clementi.
FIGURE 5 in Sphyrna alleni sp. nov., a new hammerhead shark (Carcharhiniformes, Sphyrnidae) from the Caribbean and the Southwest Atlantic.
FIGURE 5. Neighbor joining concatenated tree (COI + mtCR) for S. aff. tiburo and S. tiburo. Branch lengths and scale represent the proportion of polymorphic sites between haplotypes, and bootstrap values given in percentage (%).
FIGURE 4 in Sphyrna alleni sp. nov., a new hammerhead shark (Carcharhiniformes, Sphyrnidae) from the Caribbean and the Southwest Atlantic.
FIGURE 4. Boxplot of the number of precaudal vertebrae for S. aff. tiburo (Belize, n = 12) and S. tiburo (Florida, U.S, n = 11) specimens.
FIGURE 3 in Sphyrna alleni sp. nov., a new hammerhead shark (Carcharhiniformes, Sphyrnidae) from the Caribbean and the Southwest Atlantic.
FIGURE 3. Cephalofoil comparison (dorsal and ventral views of each specimen are provided). Bar scale: 5cm. TL: Total length of specimen. A) S. alleni sp. nov.; B) S. tiburo; C) and S. vespertina. Photos: Cindy Gonzalez.
FIGURE 7 in Sphyrna alleni sp. nov., a new hammerhead shark (Carcharhiniformes, Sphyrnidae) from the Caribbean and the Southwest Atlantic.
FIGURE 7. STRUCTURE bar plot showing the assignment probabilities (K=2) of each genotyped individual of S. tiburo and S. aff. tiburo from seven different localities. BAH: Bahamas; FL: Florida, U.S; NC: North Carolina, U.S; SC: South Carolina, U.S; BDT: Bocas del Toro, Panama; BR: Maranhão State, Brazil; BZ: Riversdale, Belize. K-groupings correspond to: Red: Western Atlantic (Bahamas and U.S locations: North Carolina South Carolina, U.S); and Green: Southwestern Atlantic and the Caribbean (Bocas del Toro, Panama; Maranhão State, Brazil; and Riversdale, Belize).
FIGURE 2 in Sphyrna alleni sp. nov., a new hammerhead shark (Carcharhiniformes, Sphyrnidae) from the Caribbean and the Southwest Atlantic.
FIGURE 2. Plot of the first two principal components for 61 size-adjusted morphometric variables analyzed. Black circles indicate S. aff. tiburo specimens from Riversdale, Belize and white circles indicate S. tiburo specimens from Florida, U.S.
FIGURE 1 in Sphyrna alleni sp. nov., a new hammerhead shark (Carcharhiniformes, Sphyrnidae) from the Caribbean and the Southwest Atlantic.
FIGURE 1. Sampling localities. Western Atlantic (WA): U.S. North Carolina (NC), South Carolina (SC), Florida (FL): Panama City (PC), Sarasota (SRQ), Rookery Bay (RB), Bahamas (BS); Caribbean: Belize (BZ), Bocas del Toro, Panama (BDT); Southwestern Atlantic: Brazil (BR). Grey boxes represent the two localities where specimens were also collected for morphometric, meristic, and genetic analyses (S. aff. tiburo N=12; S. tiburo N= 11). The information outside of boxes depict localities and number of samples used in the analysis of microsatellite DNA markers (S. aff. tiburo N=60; S. tiburo N=96).
FIGURE 6 in Sphyrna alleni sp. nov., a new hammerhead shark (Carcharhiniformes, Sphyrnidae) from the Caribbean and the Southwest Atlantic.
FIGURE 6. Allele frequencies for four microsatellite loci: Spti 41, Spti 44, Spti 46, and Spti 34. Grey bars represent S. aff. tiburo and black bars represent S. tiburo specimens analyzed (See supplementary materials: S2 for the other eight loci analyzed).
FIGURE 10 in Sphyrna alleni sp. nov., a new hammerhead shark (Carcharhiniformes, Sphyrnidae) from the Caribbean and the Southwest Atlantic.
FIGURE 10. Paratype. External morphology and coloration of a fresh specimen of Sphyrna alleni sp. nov., collected in Riversdale, Belize. UF: 247326, Male, 64.5 cm TL. Photos: Cindy Gonzalez.
FIGURE 9 in Sphyrna alleni sp. nov., a new hammerhead shark (Carcharhiniformes, Sphyrnidae) from the Caribbean and the Southwest Atlantic.
FIGURE 9. Holotype of Sphyrna alleni sp. nov. collected in Riversdale, Belize. UF 245705, Female, 103 cm TL. Photo: Zachary Randall, Digital Imaging Division, Florida Museum.
Figure 2. The S in First record of scalloped hammerhead shark Sphyrna lewini (Carcharhiniformes: Sphyrnidae) in freshwater habitat
Figure 2. The S. lewini which stranded in Mahakam river at Muara Baroh village, Muara Pahu subdistrict, Kutai Barat district, East Kalimantan province (Photo: Yuni Sri Wahyuni).
ScienceDex guides
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OpenNeuro
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