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42 results for “Polynemidae”
Fig. 2 in New Species Of The Threadfin Genus Polynemus (Teleostei: Polynemidae) From The Mekong River Basin, Vietnam, With Comments On The Mekong Species Of Polynemus
Fig. 2. Ventral view of dentition of premaxilla and roof of oral cavity in species of Polynemus. A, P. aquilonaris, URM–P 13930, holotype, 136.1 mm SL, Thailand; B, P. bidentatus, UMMZ 213346, holotype, 153.4 mm SL, Vietnam; C, P. dubius, RMNH 6014, lectotype, 125.8 mm SL, Indonesia; D, P. hornadayi, USNM 100632, holotype, 193.1 mm SL, Malaysia; E, P. kapuasensis, CAS 47198, holotype, 151.1 mm SL, Indonesia; F, P. melanochir dulcis, ANSP 178011, holotype, 134.6 mm SL, Cambodia; G, P. melanochir melanochir, ZRC 37829, neotype, 178.5 mm SL, Malaysia; H, P. multifilis, RMNH 436, holotype, 136.1 mm SL, Indonesia; I, P. paradiseus, NRM 47529, neotype, 197.8 mm SL, India. EC, ectopterygoid; PA, palatine; PR, premaxilla; VO, vomer. Small dots indicate villiform teeth. Scale bars = 5 mm.
Figure 8 in The developmental variations of the sagitta otolith in the young and mature male of a hermaphrodite polynemidae fish, Eleutheronema tetradactylum (Shaw, 1804)
Figure 8. Relationships of the body size groups with the different sagitta constituents: (A) width between ventral margin to crista inferior (CriV); (B) width of the groove of mid dorsal margin (MdGW); (C) depth of the groove of mid dorsal margin (MdGD).
Figure 3 in The developmental variations of the sagitta otolith in the young and mature male of a hermaphrodite polynemidae fish, Eleutheronema tetradactylum (Shaw, 1804)
Figure 3. Comparative relationships between sagitta length, width and weight and fork length in the four groups of Eleutheronema tetradactylum. Here and in Fig. 4: group I (Gr-I) – 11-12 cm FL, group II (Gr-II) – 15-16 cm FL, group III (Gr-III) – 19-20 cm FL, group IV (Gr-IV) – 23-24 cm FL.
Figure 2 in The developmental variations of the sagitta otolith in the young and mature male of a hermaphrodite polynemidae fish, Eleutheronema tetradactylum (Shaw, 1804)
Figure 2. Scanning electron micrographs (SEM) of the medial surface of right sagittae of Eleutheronema tetradactylum: (A) Gr-I, smooth outer margin; (B) Gr-II, pointed antirostrum, deep dorsal depression and bent caudal end with growth stripes, the caudal colliculum includes numerous buttons like concretions, mid-dorsal groove (white arrow); (C) Gr-III, developed rostrum & blunt antirostrum, growth stripes on the ventral wall of sulcus, shallow dorsal depression; (C) Gr-IV, blunt antirostrum, bent caudal end, reduced dorsal depression, granular caudal colliculum.
Figure 6 in The developmental variations of the sagitta otolith in the young and mature male of a hermaphrodite polynemidae fish, Eleutheronema tetradactylum (Shaw, 1804)
Figure 6. Relationships of the body size groups with different sagitta constituents: (A) rostrum length (RL); (B) antirostrum length (ArL); (C) width of excisura major (ExW); (D) ostium length (OL); (E) ostium width (OW); (F) cauda length (Cl).
Figure 5 in The developmental variations of the sagitta otolith in the young and mature male of a hermaphrodite polynemidae fish, Eleutheronema tetradactylum (Shaw, 1804)
Figure 5. Relationships of the body size groups with different sagitta features: (A) sagitta length (OL); (B) sagitta width (OW); (C) sagitta weight (Owt); (D) sulcus length (SL); (E) sulcus width (SW); (F) sulcus depth (SD).
Figure 1 in The developmental variations of the sagitta otolith in the young and mature male of a hermaphrodite polynemidae fish, Eleutheronema tetradactylum (Shaw, 1804)
Figure 1. Schematic diagram of a typical sagitta (right) showing various characteristics on the medial surface of Eleutheronema tetradactylum. Abbreviation here and in Fig. 2: A, anterior side; Ar, antirostrum; Cbl, caudal bulb; Cc, caudal colliculum; Ci, crista inferior; Co, concretion; Cs, crista superior; D, dorsal side; Dd, dorsal depression; Os, ostium; P, posterior side; R, rostrum; V, ventral side; zigzag arrow, growth stripes; arrow head, excisura major; arrow, mid-dorsal groove; double arrow, width between posterior caudal end and the postero-ventral margin, asterisk, 'V'-shaped ridge at the junction of ostium and cauda.
Figure 7 in The developmental variations of the sagitta otolith in the young and mature male of a hermaphrodite polynemidae fish, Eleutheronema tetradactylum (Shaw, 1804)
Figure 7. Relationships of the body size groups with different sagitta constituents: (A) cauda width (CW); (B) length of caudal bulb (Cbl); (C) width between posterior caudal end and the postero-ventral margin (CPVM); (D) width between dorsal margin to crista superior (CrsD).
Fig. 1. Polynemus bidentatus, UMMZ 213346 in New Species Of The Threadfin Genus Polynemus (Teleostei: Polynemidae) From The Mekong River Basin, Vietnam, With Comments On The Mekong Species Of Polynemus
Fig. 1. Polynemus bidentatus, UMMZ 213346, holotype, 153.4 mm SL, My Tho Province, Vietnam.
Figure 32 in Untangling the threads: phylogenetic relationships of threadfins (Percomorphacea: Perciformes: Polynemidae)
Figure 32. Unambiguous morphological synapomorphies for Polynemidae and its sister group (Sciaenidae) superimposed on the reference tree obtained under extended implied-weighting parsimony (k varying from 2.11770 to 21.66570).
Figure 31 in Untangling the threads: phylogenetic relationships of threadfins (Percomorphacea: Perciformes: Polynemidae)
Figure 31. Reference tree obtained under extended implied-weighting parsimony, with k = 21.66570. Node numbers referenced in the text are displayed above each clade. Sensitivity plots, with squares representing each k value coloured according to its respective element-based score. Numbers below sensitivity plots indicate the average element-based comparison score for the clade and the relative Bremer support, respectively.
Figure 30 in Untangling the threads: phylogenetic relationships of threadfins (Percomorphacea: Perciformes: Polynemidae)
Figure 30. Pairwise comparisons of 11 tested weighting schemes organized in descending order of their average element-based comparison scores (A) and ascending order of their standard deviation of element-based comparison scores (B), indicating reference tree (C) with the highest global topological similarity and nodal stability (extended implied-weighting parsimony, with k varying from 2.11770 to 21.66570). Bar indicates the "Branch length"
Figure 29 in Untangling the threads: phylogenetic relationships of threadfins (Percomorphacea: Perciformes: Polynemidae)
Figure 29. Fit curves of 11 evaluated weighting schemes. EW, equal weighting; k, concavity constant.
Figure 28 in Untangling the threads: phylogenetic relationships of threadfins (Percomorphacea: Perciformes: Polynemidae)
Figure 28. Leħ lateral view of craniopectoral skeleton of Polydactylus virginicus, Polynemidae (opercle, subopercle, interopercle and dorsal portions of hyomandibular and preopercle not shown). Abbreviations: AbPF, abductor profundus fili; AbPRc, abductor profundus radii pars ceterae; AbSF, abductor superficialis fili; AbSR, abductor superficialis radii; AdSF, adductor superficialis fili; AdSR, adductor superficialis radii; Ana, anguloarticular; ArV, arrector ventralis; Asph, autosphenotic; Boc, basioccipital; Bsph, basisphenoid; Cl, cleithrum; Dt, dentary; Ecp, ectopterygoid; Enp, endopterygoid; Epoc, epioccipital; Exoc, exoccipital; F, pectoral filaments; Fr, frontal; Int, intercalar; LEth, lateral ethmoid; Me, mesethmoid; Mtp, metapterygoid (cut); Mx, maxilla; Na, nasal; OSV, compound ventral ramus of occipito-spinal nerves; Pa, parietal; Pal, palatine; Pop, preopercle (cut); Pmx, premaxilla; Pro, prootic; Psph, parasphenoid; Pst, posưemporal; Pto, pterotic; Ptsph, pterosphenoid; ºd, quadrate; R, pectoral-fin rays; Ra, retroarticular; RLA-P, pectoral branch of the ramus lateralis accessorius; Scl, supracleithrum (cut); Soc, supraoccipital; SV1 and SV2, ventral ramus of spinal nerves 1 and 2; V, vertebra; VIIH, ramus hyomandibularis facialis; VMd, ramus mandibularis trigeminus; VMx, ramus maxillaris trigeminus; VOS, ramus ophtalmicus superficialis trigeminus. Scale bar: 2 mm. Adapted from Presti et al. (2020a).
Figure 25 in Untangling the threads: phylogenetic relationships of threadfins (Percomorphacea: Perciformes: Polynemidae)
Figure 25. Dorsal view of gill arches. A, Parapolynemus verekeri, Polynemidae. B, Galeoides decadactylus, Polynemidae. Abbreviations: AdB, adductor branchialis; Cb, ceratobranchial; Eb, epibranchial; IAb, interbranchialis abductor; LE, levator externus; LI, levator internus; LP, levator posterior; OD, obliquus dorsalis III and IV; OP, obliquus posterior; Pb, pharyngobranchial; RD, retractor dorsalis; SO, sphincter oesophagi; TD, transversus dorsalis; TDa, anterior section of transversus dorsalis; TDp, posterior section of transversus dorsalis. Scale bars: 5 mm. Adapted from Presti et al. (2020b).
Figure 27 in Untangling the threads: phylogenetic relationships of threadfins (Percomorphacea: Perciformes: Polynemidae)
Figure 27. Ventral view of gill arches of Eleutheronema tetradactylum, Polynemidae. Abbreviations: AdB, adductor branchialis; Bb, basibranchial; Cb, ceratobranchial; Hb, hypobranchial; OV, obliquus ventralis; PcE, pharyngoclavicularis externus; PcIa, anteroventral section of pharyngoclavicularis internus; PcIp, posterodorsal section of pharyngoclavicularis internus; RC, rectus communis; RV4, rectus ventralis IV; SO, sphincter oesophagi; TV, transversus ventralis; TVa, anterior section of transversus ventralis; TVp, posterior section of transversus ventralis. Scale bar: 5 mm. Adapted from Presti et al. (2020b).
Figure 24 in Untangling the threads: phylogenetic relationships of threadfins (Percomorphacea: Perciformes: Polynemidae)
Figure 24. Lateral view of leħ gill arches. A, Pentanemus quinquarius, Polynemidae. B, Polynemus paradiseus, Polynemidae. Abbreviations: Cb, ceratobranchial; Eb, epibranchial; IAb, interbranchialis abductor; LE, levator externus; LI, levator internus; LP, levator posterior; Pb, pharyngobranchial. Scale bars: 2 mm. Adapted from Presti et al. (2020b).
Figure 26 in Untangling the threads: phylogenetic relationships of threadfins (Percomorphacea: Perciformes: Polynemidae)
Figure 26. Posterior view of gill arches of Polydactylus approximans, Polynemidae. Abbreviations: AdB, adductor branchialis; Cb, ceratobranchial; Eb, epibranchial; LE, levator externus; LP, levator posterior; OP, obliquus posterior; PcE, pharyngoclavicularis externus; PcIa, anteroventral section of pharyngoclavicularis internus; PcIp, posterodorsal section of pharyngoclavicularis internus; RD, retractor dorsalis; SO, sphincter oesophagi. Scale bar: 2 mm. Adapted from Presti et al. (2020b).
Figure 22 in Untangling the threads: phylogenetic relationships of threadfins (Percomorphacea: Perciformes: Polynemidae)
Figure 22. Medial view of leħ pectoral girdle of Pentanemus quinquarius, Polynemidae. Abbreviations: AbPRc, abductor profundus radii pars ceterae; AbSR, abductor superficialis radii; AdMF, adductor medialis fili; AdPRec, adductor profundus radii pars ectoprofunda; AdSF, adductor superficialis fili; AdSR, adductor superficialis radii; ArD, arrector dorsalis; BL, Baudelot's ligament; Cl, cleithrum; Co, coracoid; F, pectoral filaments; OSV, compound ventral ramus of occipito-spinal nerves; PcPr, postcoracoid process; R, pectoral-fin rays; RLA-P, pectoral branch of the ramus lateralis accessorius; Scl, supracleithrum; SV1 and SV2, ventral ramus of spinal nerves 1 and 2. Scale bar: 2 mm. Adapted from Presti et al. (2020a).
Figure 23 in Untangling the threads: phylogenetic relationships of threadfins (Percomorphacea: Perciformes: Polynemidae)
Figure 23. Medial view of leħ pectoral girdle of Galeoides decadactylus, Polynemidae. Abbreviations: AbPRc, abductor profundus radii pars ceterae; AbSR, abductor superficialis radii; AdMF, adductor medialis fili; AdPRec, adductor profundus radii pars ectoprofunda; AdSF, adductor superficialis fili; AdSR, adductor superficialis radii; BL, Baudelot's ligament; Cl, cleithrum; Co, coracoid; F, pectoral filaments; OSV, compound ventral ramus of occipito-spinal nerves; PcPr, postcoracoid process; R, pectoral-fin rays; RLA-P, pectoral branch of the ramus lateralis accessorius; Sc, scapula; Scl, supracleithrum; SV1 and SV2, ventral ramus of spinal nerves 1 and 2. Scale bar: 2 mm. Adapted from Presti et al. (2020a).
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