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45 results for “Lessepsian”
FIGURE 33 in Serpulidae (Annelida: Polychaeta) from the Suez Canal- From a Lessepsian Migration Perspective (a Monograph) 2848
FIGURE 33. Variability in opercula of Spirobranchus tetraceros specimens from the Great Bitter Lake "Yellow Fleet". A—Fringed wings of opercular peduncle visible on specimen to the right, B—¾ lateral view of tube with partly emerged operculum, C—Lateral view of conical form of operculum, without antler-like spines (subsample Bry1), D—Lateral view of conical operculum with antler-like spines; fringes (even a double one) seen on wings (D–E, subsample Ships Hulls Poly 24), E—Frontal view of operculum with spines; fringes seen on wings. Scales: 1 mm.
FIGURE 21 in Serpulidae (Annelida: Polychaeta) from the Suez Canal- From a Lessepsian Migration Perspective (a Monograph) 2848
FIGURE 21. Protula cf. palliata tubes from the Bitter Lake with distinctive sculpturing—simple growth striations, but with the rim of the striation seemingly eroded with a somewhat scalloped appearance. A–C—Tube fragment of Protula sp. on Chama asperella from Beets' Stn 15, 10.4 m (Beets 1953): A—Inner view of Chama valve bearing tube of 3.6 mm diameter, B—Lumen of same tube fragment, diameter ca. 4 mm, C—Enlargement of A, D—Tube fragments of Protula specimen from "Yellow Fleet" encrustation (B&T-C-Pol 27-HUJ-Poly-1567), legit H. Brattström and J.P. Taasen, 1975, diameter 4.8 mm. Scales, 5 mm.
FIGURE 19 in Serpulidae (Annelida: Polychaeta) from the Suez Canal- From a Lessepsian Migration Perspective (a Monograph) 2848
FIGURE 19. Protula cf. palliata from the Great Bitter Lake (B&T-C-Pol 27- HUJ-Poly-1567), ca. 87 chaetigers, body ~27 mm length + ~5.6 mm branchia = total length ~32.6 mm; width, ~2.2 mm. A—Branchial lobe, inside view; arrow designates dorsal ovoid mouth palp; 19+?few more radioles, B—Enlargement of base of lobe to show the palp, C— Branchial lobe, outside view, D—Radiole; arrows designate white blotches; note the tip appears less filiform than that in Fig. 16A (?likely due to preservation), E—Low interradiolar membrane of branchial lobe at base of branchial lobe (arrows), F—Body, thorax of 7 chaetigers and abdomen of ca. 80 chaetigers (counted from photograph), 3/4 view dorsal side up; note dorsal pygidial glandular pad, G—Thoracic chaetae of 7th (last) chaetiger, Apomatus chaetae not present,. H, I—Abdominal chaetae, sickle-shaped: H—SEM micrograph, 2,400 x, I. Microscopic view with oil immersion. Scales: C, D—1 mm, F—5 mm; G—100 µm.
FIGURE 26 in Serpulidae (Annelida: Polychaeta) from the Suez Canal- From a Lessepsian Migration Perspective (a Monograph) 2848
FIGURE 26. Salmacina incrustans: Chaetae (other than collar chaetae) and uncini of specimens shown in Figs 25. A, B—Thoracic and abdominal uncini of spec. 13-3: A: Thoracic uncini (numbers refer to marked uncini in the figures): (1) F:3:4:4:5:6:6:3 = F+7 rows. (2) F:2:3:3:4:5:4 = F+6 rows, B—Abdominal uncini: (3) F:5:7:7:7:8:8:7:6:4 = F+9 rows; (4) F:5:5:6:6:3:5:6:5:5:5 = F+10 rows, C—Thoracic uncini of spec. 10-3, thoracic uncini teeth count: (5) F:3:4:4:4:4:4 = F+6 rows. (6) F:3:4:3:4:5:5:3 = F+7 rows, D—Apomatus chaeta and limbate chaetae (specimen 10-2), E—Abdominal uncini of spec. 13-2, (7) F:4:5:6:7:6:7:7:5:5 = F+9; (8) F:5:5:6:8:7:7:6:7:4 = F+9, F, G—Abdominal chaetae of two specs (15-1 and 8-1. Magnifications: A—13,000 x, B—16,000 x, C—12,000x, D—6,000 x, E—10,000 x, F—12,000 x, G— 16,000 x.
FIGURE 16 in Serpulidae (Annelida: Polychaeta) from the Suez Canal- From a Lessepsian Migration Perspective (a Monograph) 2848
FIGURE 16. The Hydroides "priscus" juvenile stage of Hydroides sp. / spp. A—From Lake Timsah, Isma'iliya, on bivalve Malvufundus normalis, Cambridge Expedition, 26.XI.1924, BM(NH) 1928.3.30.179, B—From sample Great Bitter Lake SLC 117 (see App. Table 2A, C, respectively). Scale: 100 µm.
FIGURE 18 in Serpulidae (Annelida: Polychaeta) from the Suez Canal- From a Lessepsian Migration Perspective (a Monograph) 2848
FIGURE 18. Protula cf. palliata from the Little Bitter Lake. Chaetae and uncini (HUJ-Poly-1569, 1570, 4427, 4429, sample SBE1). A—Thoracic uncinus, saw-to-rasp-shaped (spec. 1569) with ca. 19 teeth in profile view (P+19), length 39 µm from apex to tip of peg, B—Abdominal uncinus from mid-body saw-to-rasp-shaped (spec. 4429) with ca. 24 rows of teeth in profile view, length 45.9 µm (pegs of additional uncini displaced when squashing the preparation seen in bottom left and right; left of arrow, part of uncinus inserted in the body wall, C, D—Frontal (edge) view of abdominal uncini "cut" from SEM micrographs of the tori, C—Spec. 4427, abdominal uncinus, with apex partially turned to the side, with ca. 24 teeth in profile view; from the apex, 18 teeth in single row, followed by ca. 2 rows with 2 teeth, then 2 rows of 3 teeth, and 2 rows of 4 teeth, arrow demarcates saw-part of the uncinus from rasp-shaped part; length, ~34 µm (magnification 6 K), D—Spec. 1570, dorsal-most uncinus with 24 teeth in profile view; from the apex, ca. 18 teeth in single file, followed by 2 rows of two teeth, then 2 row of 3 teeth and 2 rows of 4 finer teeth proximal to the bilobed, rounded peg; (arrow demarcates saw-part of the uncinus from rasp-shaped part); length ~28 µm (magnification 9 k), E—Spec. 1570, SEM micrograph of part of the torus, magnification 9 k; location of "D" in torus marked by arrow (another SEM of this torus, presumably most of the torus, magnified only 3 k, numbered at least 65 abdominal uncini); note that dorsal-most uncini are longer than the ventral uncini; 6th more ventral uncinus measures 21 µm, F—Spec. 1569, thoracic chaetae limbate (bordered) capillary chaetae only, Apomatus chaetae not observed, G–J—Abdominal chaetae from different specimens belonging to the same sample: G—Rather sickle-shaped with a somewhat prominent "heel" (spec. 4429), H— Somewhat concave proximally, less sickle-shaped than G (spec. 1569), I—Somewhat geniculate (spec. 4427), J– Both chaetae somewhat geniculate but also somewhat concave (spec. 4427 [1819]), K—Thoracic uncinus of Mediterranean Protula tubularia (Banyuls, France, ZMA.V.Pol. 3816), 1st torus (adapted from ten Hove & Kupriyanova, 2009, fig. 39c); from apex, 16–15 angled double rows of teeth, followed by ca. 3 rows of 3; 1 row of 4, 3 rows of 5, reaching ca. 7– 8 teeth in rows above bilobed peg, length of uncinus ~49.6 µm; arrow demarcates posterior-part of the uncinus from rasp-shaped part with more teeth in row, L—Anterior abdominal uncinus of Protula tubularia from same population as K, as in thoracic uncini the distal part comprises double row, ca 16 angled rows; proximal part, demarcated by arrow, comprises 9 rows with numbers of teeth increasing from 3 to ca. 7, ~27.3 µm (Table 2). For Suez Canal specimen codes, see Protula section, Hebrew University-Smithsonian Expeditions, sample SBE1).
FIGURE 15 in Serpulidae (Annelida: Polychaeta) from the Suez Canal- From a Lessepsian Migration Perspective (a Monograph) 2848
FIGURE 15. First description of Hydroides steinitzi tubes. Tubes rugose with 3 longitudinal ridges on upper surface, more or less developed, with middle longitudinal ridge often lower than lateral ones (e.g., F1), and with transverse ridges. Lumen of tube circular, with tube more or less expanded at base, thus, tubes C, D rounded in cross-section; tubes E and F with expanded base, more trapezoidal in cross-section; C1 and C2 are sections of the same tube. Figs E1 and E2, and F1 and F2 are paired cross-section and upper views (of two different tubes). Tubes B–F correspond to opercula B–F in Fig. 12. Scales: 1 mm.
FIGURE 12 in Serpulidae (Annelida: Polychaeta) from the Suez Canal- From a Lessepsian Migration Perspective (a Monograph) 2848
FIGURE 12. Variability in opercula of Hydroides homoceros from different regions. A—Operculum characterized by "single-anchor-shaped" (or T-shaped) marginal radii (see also "D") from Great Bitter Lake population (sample SLC 117, see App. Table 2C), B—Specimen with "spur-tipped-T-shaped" marginal radii from the Persian (Arabian) Gulf, leg. anon., sample sent to NBE for identification via the late T. Holthe, C—Specimen with "double-anchor" marginal radii from the Dahlak Archipelago (Israel South Red Sea Expedition sample ISRSE 65-TAU-MO-Malleidae 1814), D— Enlarged tip of marginal radius from Fig. A—5th radius from left—from Bitter Lake, Suez Canal—resembles that of specimens from Mediterranean population, E—Lessepsian migrant specimen from the coast of Israel (legit E. Gilat, Gilat sample 1821B, 10.XI.1969, Ashqelon, 22 m). Scale: 100 µm.
FIGURE 10 in Serpulidae (Annelida: Polychaeta) from the Suez Canal- From a Lessepsian Migration Perspective (a Monograph) 2848
FIGURE 10. Operculum of Hydroides heterocerus juvenile form no. 2 (specimen scraped from mollusc from the Great Bitter Lake [SLC 117, Y. Eytam, St. 4]). A, B—Funnel radii with some typical "anchor-shaped" (T-shaped) tips; some verticil spines approaching typical adult form, other spines deviating from the typical form, e.g., dorsal spine, upper right, bifid, aberrant. Scale: 100 µm.
FIGURE 13 in Serpulidae (Annelida: Polychaeta) from the Suez Canal- From a Lessepsian Migration Perspective (a Monograph) 2848
FIGURE 13. Variability of opercula in a population of Hydroides steinitzi from the Great Bitter Lake "Yellow Fleet" aggregation (App. Table 2D). Opercula B–F correspond to tubes B–F in Fig. 15; C1—lateral view, C2—apical view of C1. Note variability in height of verticil and in the degree of chitinisation of funnel radii and constriction of peduncle. Scales, 0.5 mm.
FIGURE 9 in Serpulidae (Annelida: Polychaeta) from the Suez Canal- From a Lessepsian Migration Perspective (a Monograph) 2848
FIGURE 9. Operculum of Hydroides heterocerus juvenile form no. 1 (specimen from Cambridge Expedition mollusc deposited at the Natural History Museum in London, precise location unknown [See App. Table 2A]). A—Apical view, drawing and photograph, respectively, B—Profile view of drawing and photograph, C—Three-quarters view; note sharply pointed marginal teeth of funnel radii (in contrast with those in Fig. 8), D—Collar chaetae (magnification, <10 x). Scales: B—0.5 mm, D—100 µm.
FIGURE 8 in Serpulidae (Annelida: Polychaeta) from the Suez Canal- From a Lessepsian Migration Perspective (a Monograph) 2848
FIGURE 8. Hydroides heterocerus. Variability in forms of opercula from different regions: A–D. Operculum of specimen from the Great Bitter Lake aggregate removed by J.P. Taasen from the M/S "Münsterland" after its journey to the Hapag-Lloyd dry dock in Bremerhaven (18.VI.1975, 7 m). A—Lateral view, B–D—Apical views, B—Focus on tips of verticil spines, C—Focus on basal spinules of verticil, D—Enlargement of marginal teeth of funnel; the expansion of the tips of the marginal teeth in "D" is intermediate between "E" and "F," E—"Bowling-pin-shaped" radii with blunt or even stubby tips, specimen from Little Bitter Lake opposite Kabrit (sample SLC 123), F—More expanded, "T"-shaped tips found in specimen from the Sudanese Red Sea (BM(NH) 1972.23, legit C. Crossland, 1904–1905). Lessepsian migrants with marginal radii like "D" or like "E". Scale: 1 mm.
FIGURE 20 in Serpulidae (Annelida: Polychaeta) from the Suez Canal- From a Lessepsian Migration Perspective (a Monograph) 2848
FIGURE 20. Protula cf. palliata from the Great Bitter Lake, uncini (B&T-C Pol 27-HUJ-Poly-1567). A—Part of torus of thoracic uncini from 7th chaetiger, ca. P+19 teeth in profile view, from apex: 14 teeth in single row, two rows of 3 teeth, 2–?3 rows of 4 teeth (left figure shows method of counting the teeth), B—Abdominal uncinus, profile view, left arrow shows part of uncinus inserted in body wall, right arrow designates section of uncini to the peg corresponding to Fig. D, numbering 23 teeth in profile view, length 46.7 µm, C—Two adjacent abdominal uncini from torus, left uncinus numbering 22 teeth in profile view, length 47.5 µm, D–F—Three views of enlarged peg, D—View taken under oil immersion, showing bilobed tip of peg, 4 teeth in row proximal to the peg; arrow shows part of uncinus corresponding to that designated by right arrow in Figs B, E—SEM micrograph showing frontal view of peg with 4 teeth in the two rows proximal to the peg (4,000 x magnification), peg appears abraded, F—SEM views of abdominal uncini showing markedly bilobed peg; magnification, 6,000 x, G—Part of torus of abdominal uncini from which F was taken, as indicated by arrow; the SEM micrograph of incomplete torus numbered 148 uncini (ends of torus not included on micrograph).
FIGURE 4 in Serpulidae (Annelida: Polychaeta) from the Suez Canal- From a Lessepsian Migration Perspective (a Monograph) 2848
FIGURE 4. Opercula of Hydroides diramphus. A—Operculum of small individual from Lake Timsah (sample SBE 8, App. Table 2C), B—Specimen from the Great Bitter Lake (legit H. Brattström & J.P. Taasen, 14.I.1975, App. Table 2D). Scales: 100 µm.
FIGURE 6 in Serpulidae (Annelida: Polychaeta) from the Suez Canal- From a Lessepsian Migration Perspective (a Monograph) 2848
FIGURE 6. The very first serpulid collected from the Suez Canal—Hydroides elegans—from a boat hull, collected by the "Pola" Expedition (Isma'iliya, 17.X.1895, coll. Mus. Vindobonensis, Vienna, Evertebr. Varia, inv. no. 2034 [alte invert. no. 17199]), det. H. Zibrowius. A—Operculum photographed in methylene-blue-glycerine; focus on spines of upper verticil, B—Same, focusing on long tooth arising from the central disk of the verticil, C—Collar chaetae showing characteristic fine teeth and proximal rasp, D, E—Aggregates of tubes on gastropod, Potamides conicus; note the slightly flattened upper surface of the tube. Scales: A, B—100 µm, C—50 µm, D, E—1 mm.
FIGURE 7 in Serpulidae (Annelida: Polychaeta) from the Suez Canal- From a Lessepsian Migration Perspective (a Monograph) 2848
FIGURE 7. Taphonomic residues of Hydroides elegans from mollusc shells collected in the Great Bitter Lake in 1950 by C. Beets. The chitinous residues "survived" more than 50 years in the dried serpulid tubes. A—Body of dried worm, B—Thoracic chaetae, C—Broken but distinctive collar chaetae, D—Residue of verticil, E—Fragment of tube with adhering fascicles of thoracic chaetae (putative identification of species based on tube), F—Thoracic uncini (putative identification to species based on tube), G—Operculum, apical view of verticil, H—Operculum, ¾ view. I. Tube with projecting verticil, lower side of tube. J. Hydroides elegans tube fragment on shell of Gafrarium pectinatum, K—Fusinus polygonoides shell (ca. 11 cm in length), bearing tubes of H. elegans. Scales: A, B, D, E, I, J—1 mm; G, H—100 µm; C, F—50 µm. Figs A, B, D–F, I, K—from Beets' Stn 4, 0.2–0.8 m, C, G —from Stn 21, 1.5–3 m, H—from Stn 1: 1–2.7 m, J—from Stn 19: 5–5.5 m (for stations, see Beets (1953), Appendix Table 2B).
FIGURE 29 in Serpulidae (Annelida: Polychaeta) from the Suez Canal- From a Lessepsian Migration Perspective (a Monograph) 2848
FIGURE 29. Serpula hartmanae from Red Sea, Gulf of Aqaba. Specimen det. as S. concharum in Amoureux et al., 1978: 143, Fig. 11, marked S.c. [TAU-NS-6188], redet. 1990, H.A. ten Hove. A—Cross-section of tube, B—Part of tube, flat surface up, shows 3 longitudinal ridges, middle ridge lower than laterals, C—Part of tube, flat upper part to the right, D—Operculum, apical view, 12 radii, E—Operculum (lateral view) and opercular lobe; arrow designates the peduncular boss proximal to the constriction (also in Fig. 28B), F—View of constriction of opercular peduncle showing characteristic asymmetric proximal boss (enhanced in glycerine mount), G—Branchial lobe, showing pseudoperculum, ca.13 radioles, H—Fascicle of thoracic chaetae (most broken), I, J—Collar chaeta (single unbroken chaeta dissected out from base of fascicle), I—Frontal view, small median tooth between large conical teeth and blade clearly seen, J—Lateral view, K—Abdominal chaetae, L—Posterior? middle abdominal uncinus frontal view (composite picture enables showing rows in focus), detailed dentition, F:1:1:1:1:2:3:3 = F+7/3 rows with maximum number of 3 teeth in the posterior rows, M— Thoracic uncinus, lateral view F+5. Scales: A–E—1 mm, K—10 µm, L, M—50 µm.
FIGURE 3 in Checklist of the Red Sea Fishes with delineation of the Gulf of Suez, Gulf of Aqaba, endemism and Lessepsian migrants
FIGURE 3. Map of the Gulf of Suez and the Gulf of Aqaba.
FIGURE 1 in Checklist of the Red Sea Fishes with delineation of the Gulf of Suez, Gulf of Aqaba, endemism and Lessepsian migrants
FIGURE 1. Map of the Indian Ocean showing the locality of the Red Sea.
FIGURE 32 in Serpulidae (Annelida: Polychaeta) from the Suez Canal- From a Lessepsian Migration Perspective (a Monograph) 2848
FIGURE 32. Serpula hartmanae from the Suez Canal, Brattström & J.P. Taasen specimen no. 1. A—Tube anterior, B— Tube, 3/4 side-top view, C—Operculum, apical view, 12 radii, D—Operculum, lateral view, E—Branchial radiole showing hyaline bodies, F—Collar chaetae, with 2 conical teeth, with small median tooth visible behind large conical teeth, G—?Abdominal uncinus, lateral view, H—?Abdominal uncinus, ¾ frontal view, I—Abdominal chaetae. Scales: A, B— 1 mm, C, D—0.5 mm, E, G, H—100 µm, F, I—10 µm.
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