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29 results for “sawfish”
FIGURE 3 in Range, sexual dimorphism and bilateral asymmetry of rostral tooth counts in the smalltooth sawfish Pristis pectinata Latham (Chondrichthyes: Pristidae) of the southeastern United States
FIGURE 3. Relative frequency of rostral tooth count bilateral asymmetry in Pristis pectinata from the southeastern United States (n=105)
Figure 4. The largetooth sawfish Pristis pristis. A in Species delineation and global population structure of Critically Endangered sawfishes (Pristidae)
Figure 4. The largetooth sawfish Pristis pristis. A, dorsal view of specimen from north-western Australia (photo: W. White); B, line drawing from FAO Species Catalogues.
Figure 1. Measurements adopted for Pristidae. A in Species delineation and global population structure of Critically Endangered sawfishes (Pristidae)
Figure 1. Measurements adopted for Pristidae. A, dorsal view: (1) total length; distance from rostrum tip to (2) eye, (3) spiracle, (4) pectoral fin insertion, (5) pelvic fin insertion, (6) first dorsal fin origin, (7) second dorsal fin origin, and (8) upper caudal fin origin; distance between bases, (15) interdorsal; distance between inner corners, (19) eyes, (20) spiracles, (106) eye length, and (107) spiracle length; rostrum measurements, (54) total length, (55) standard length, (57) rostrum width anterior, (61) rostrum width posterior, (62) interlateral rostral tooth anterior, and (67) interlateral rostral tooth posterior. B, ventral view, distance from rostrum tip to: (9) outer nostril, (10) mouth, (11) first gill, (12) third gill, and (13) posterior cloaca; distance between inner corners, (21) nostrils; pectoral fin lengths, (33) anterior margin, (34) posterior margin, (35) inner margin, and (36) base; other measurements, (28) mouth width, (30) nostril length, (32) clasper outer length. C, lateral view, first dorsal fin lengths: (41) anterior margin, (42) posterior margin, (43) height, (44) inner margin, and (45) base; second dorsal fin lengths: (46) anterior margin, (47) posterior margin, (48) height, (49) inner margin, and (50) base; caudal fin lengths, (51) upper lobe, (52) posterior margin, and (53) lower lobe. Drawings from Food and Agricultural Organization of the United Nations (FAO) Species Catalogues.
Figure 3 in Species delineation and global population structure of Critically Endangered sawfishes (Pristidae)
Figure 3. Majority-rule consensus tree of 10 000 bootstrap pseudoreplicates constructed using maximum parsimony based on 480-bp sequences of the mitochondrial DNA gene NADH-2 of sawfish specimens sampled along the geographical range of the group. Clades with high bootstrap support are coloured with geographical origin noted. Outgroup species included in the analyses were Aetobatus narinari, Raja rhina, Dasyatis annotata, and Rhizoprionodon porosus (available from G. Naylor's database).
Figure 2 in Species delineation and global population structure of Critically Endangered sawfishes (Pristidae)
Figure 2. Plot of Pristis spp. individuals projected onto the first two canonical factors for visualization of the ordering of the taxa in the multivariate space based on body morphometrics and number of rostral teeth. Pristis pristis group dots are coloured by ocean basin: Atlantic in red, Indo-West Pacific in orange, and Eastern Pacific in black; other Pristis species are coloured as follows: Pristis zijsron in blue, Pristis pectinata in green, and Pristis clavata in grey.
FIGURE 3 in Freshwater Sawfish Pristis microdon Latham, 1794 (Chondrichthyes: Pristidae) in the Kimberley region of Western Australia
FIGURE 3. Location of tag in second dorsal fin of Pristis microdon.
figure 2 in The sawFIsh (Rhinopristiformes, Pristidae) rostrum displayed in the "Basilica Santuario del Carmine Maggiore" in Naples, Italy: A long story of legends and taxonomic errors
figure 2 Morphological characters of the bscm sawfish rostrum and comparison with illustrations from Costa (1853a, b): Pictures of the (A) dorsal and (B) ventral side of the sawfish rostrum showing the measurements carried out: total rostrum length (trl), standard rostrum length (srl), proximal rostrum width (prw), distal rostrum width (drw) proximal tooth gap (ptg) and distal tooth gap (dtg), and (C) illustration of the sawfish rostrum from Costa (1853b), (D) Picture of the proximal end of the rostrum with the three internal canals clearly visible, the median canal from which cartilage samples were taken is indicated by a white arrow and the two lateral canals are indicated with white asterisks, and (E) detail of a rostral tooth posterior margin compared to illustration from Costa (1853b); arrows indicate the groove.
figure 3 in The sawFIsh (Rhinopristiformes, Pristidae) rostrum displayed in the "Basilica Santuario del Carmine Maggiore" in Naples, Italy: A long story of legends and taxonomic errors
figure 3 Principal component analysis (pca) performed on five standardized rostral characters (srl, prw, drw, ptg, dtg) using measures obtained from the rostrum of the bscm (pink square) and data from Seitz & Hoover (2017) for isolated rostra of A. cuspidata (in red), P. pristis (in yellow), P. pectinata (in blue) and P. zijsron (in green). Each rostrum is indicated with a dot, while groups of rostra of the same species are represented by a polygon.
FIGURE 8 in Freshwater Sawfish Pristis microdon Latham, 1794 (Chondrichthyes: Pristidae) in the Kimberley region of Western Australia
FIGURE 8. Percentage occurrence of the total number of rostral teeth in female and male Pristis microdon.
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