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45 results for “Lessepsian”
Fig. 1 in Diplogrammus randalli (Pisces: Callionymidae), a new Lessepsian migrant recorded from the Mediterranean Sea Abstract Introduction
Fig. 1: Live coloration of D. randalli (IKC.PIS.1089) photographed in an aquarium(a), and left preopercular spine of the same specimen in preserved condition (b).
Fig. 2 in Parasites of pufferfish, Lagocephalus spp. and Torquigener flavimaculosus of the Israeli Mediterranean: A new case of Lessepsian endoparasites
Fig. 2. Multidimensional scaling (MDS) plot displaying the similarity of the parasite fauna of the four pufferfish species. Only infected pufferfish shown and one extreme outlier of Torquigener flavimaculosus excluded for a more compact display.
Fig. 1 in Parasites of pufferfish, Lagocephalus spp. and Torquigener flavimaculosus of the Israeli Mediterranean: A new case of Lessepsian endoparasites
Fig. 1. Habitus of alive (A) and mounted line-drawn (B) specimens of Maculifer dayawensis from the intestinal tract of Lagocephalus guentheri, including all visible characteristics. The black spots in the alive specimen – the pigment granules. Diagnostic characteristics of the parasite - the muscular post-oral ring (1), genital pore (2), cirrus sack (3), ovary dorsally behind left testes (4) and opposite testes (5), as well as vitelline follicles reaching up to the pharynx. Follicles extend over the whole body and are partially omitted in the drawing for the sake of clarity.
Linked collectors and determiners for: Checklist of the Red Sea Fishes with delineation of the Gulf of Suez, Gulf of Aqaba, endemism and Lessepsian migrants.
Natural history specimen data linked to collectors and determiners held within, "Checklist of the Red Sea Fishes with delineation of the Gulf of Suez, Gulf of Aqaba, endemism and Lessepsian migrants". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/6c170c2b-8792-4173-ac41-2aa1fe2b7ab7">https://bionomia.net/dataset/6c170c2b-8792-4173-ac41-2aa1fe2b7ab7</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/6c170c2b-8792-4173-ac41-2aa1fe2b7ab7">https://gbif.org/dataset/6c170c2b-8792-4173-ac41-2aa1fe2b7ab7</a>. Formatted as a Frictionless Data package.
Figure 2 in A Lessepsian invader round herring (Etrumeus golanii) with high genetic diversity without bottlenecking in the northeastern Mediterranean Sea
Figure 2. Neighbor-joining tree of E. golanii populations.
Figure 1 in A Lessepsian invader round herring (Etrumeus golanii) with high genetic diversity without bottlenecking in the northeastern Mediterranean Sea
Figure 1. Sampling localities (1. İskenderun, 2. Antalya, 3. Marmaris).
FIGURE 2 in Checklist of the Red Sea Fishes with delineation of the Gulf of Suez, Gulf of Aqaba, endemism and Lessepsian migrants
FIGURE 2. Map of the Red Sea and the countries surrounding; EG—Egypt, ER—Eritrea, IS—Israel, JO—Jordan, SA—Saudi Arabia, SU—Sudan, YE—Yemen.
FIGURE 3 in First record of a Lessepsian migrant: the sea cucumber Holothuria (Theelothuria) hamata Pearson, 1913
FIGURE 3. Holothuria (Theelothuria) hamata Pearson, 1913. A. Rods of tentacles; B. Tables of dorsal body wall; C. Tables of ventral body wall; D. 'Compact-look' table; E. Buttons/fenestrated ellipsoids of dorsal body wall; F. Perforated rods of papillae; G. Lateral view of tag-like tables of papillae. Scale bars B–E represent 50 mm; scale bars F& G 100 mm.
FIGURE 2 in First record of a Lessepsian migrant: the sea cucumber Holothuria (Theelothuria) hamata Pearson, 1913
FIGURE 2. Holothuria (Theelothuria) hamata Pearson, 1913. A. Dorso-lateral view; B. Ventral view (Photo's by M. Aydin)
Figure 3 in Parasites of the Lessepsian invasive fish Lagocephalus sceleratus (Gmelin 1789) in the eastern Mediterranean Sea
Figure 3. Mouth parts of Gnathia sp. praniza larva. (a) Tip of mandible showing teeth. (b) Paragnaths (i), maxillule with teeth (ii) and maxillipede (iii).
Figure 6 in Parasites of the Lessepsian invasive fish Lagocephalus sceleratus (Gmelin 1789) in the eastern Mediterranean Sea
Figure 6. Hysterothylacium aduncum found in Lagocephalus sceleratus. (a) Anterior part showing large lips (i), and cuticle striation (ii). (b) Posterior end of female showing small caudal spines ('cactus-tail', arrow). (c) Posterior end of male showing two spicules (arrow).
Figure 2 in Parasites of the Lessepsian invasive fish Lagocephalus sceleratus (Gmelin 1789) in the eastern Mediterranean Sea
Figure 2. Gnathia sp. praniza larva found in the gills of Lagocephalus sceleratus under stereomicroscope. (a) Fresh specimen. (b) Preserved specimen.
Figure 1 in Parasites of the Lessepsian invasive fish Lagocephalus sceleratus (Gmelin 1789) in the eastern Mediterranean Sea
Figure 1. Locations of Lagocephalus sceleratus sampling. Lesvos Island (top right), northeastern Aegean Sea; Rhodes Island (bottom right), southeastern Aegean Sea.
Figure 5 in Parasites of the Lessepsian invasive fish Lagocephalus sceleratus (Gmelin 1789) in the eastern Mediterranean Sea
Figure 5. Anisakis sp. found in Lagocephalus sceleratus. (a) Mouth part with the lips (arrowhead) and boring tooth (arrow). (b) Tail part showing anus opening (arrowhead) and a thin anomalous mucron (arrow).
Figure 4 in Parasites of the Lessepsian invasive fish Lagocephalus sceleratus (Gmelin 1789) in the eastern Mediterranean Sea
Figure 4. Mouth parts of Gnathia sp. praniza larva. (a) Maxillipede showing endite (i), hairs (ii), teeth (iii) and setae (iv). (b) Gnathopod (i) and maxillipede (ii).
FIGURE 28 in Serpulidae (Annelida: Polychaeta) from the Suez Canal- From a Lessepsian Migration Perspective (a Monograph) 2848
FIGURE 28. Serpula hartmanae paratype from the Marshall Islands (U.S. National Museum of Natural History specimen no. USNM 38401). A—Operculum, apical view, 18 blunt radii (slightly damaged), B—Same, lateral view; note constriction with asymmetric boss, C—Tube, showing cross-section; note granular overlay, D—Tube from above, laterally rugose; note three longitudinal ridges, median ridge lower; upper surface rather flat, E1—Collar chaetae, frontal view, appearing somewhat abraded, E2—Collar chaeta, lateral view, F—Abdominal chaetae, G—Abdominal uncinus, F+4. Scales: B–C—1 mm.
FIGURE 27 in Serpulidae (Annelida: Polychaeta) from the Suez Canal- From a Lessepsian Migration Perspective (a Monograph) 2848
FIGURE 27. Comparison of Salmacina spp. from the Suez Canal, Gulf of Suez, and Gulf of Aqaba. A—Salmacina incrustans from Great Bitter Lake, spec. 10-3, thoracic uncini both (F+1) = 3, left uncinus detailed F:3:3:3:3:4:4 (compare Fig. 23), B—Salmacina not dysteri (Huxley) from Gulf of Suez (32°44'–32°47' E., 28°49'–28°54 N., 25–30 m, legit R. Ph. Dollfus, Stn 11, 8.XII.1928, coralligenous sand, det. P. Fauvel (1933a: 80, 1933b: 143), generalised herein to Salmacina sp.; thoracic uncini from second torus of single (minute) specimen, apical part of uncini covered by a flap; F:4:5:5:? (left uncinus) and F:4:6:6:6:? (right uncinus), C—Collar chaeta fin, blade broken off, D—Intertwining, netlike tube aggregation from which minute specimen was removed, E—Thoracic mru-type uncini of Salmacina specimen from Gulf of Aqaba (from Elat). Magnifications: A—12,000 x, B, C—10,000 x, E—8,000 x.
FIGURE 24 in Serpulidae (Annelida: Polychaeta) from the Suez Canal- From a Lessepsian Migration Perspective (a Monograph) 2848
FIGURE 24. Salmacina incrustans encrusted on a Brachidontes pharaonis bivalve from the "Yellow Fleet", Great Bitter Lake. A, B—Encrusting aggregation, outside and inside of a Brachidontes valve, respectively, C—Three-quarters view of worm (subsample Biv11). Scales: A, B–5 mm, C–1 mm.
FIGURE 25 in Serpulidae (Annelida: Polychaeta) from the Suez Canal- From a Lessepsian Migration Perspective (a Monograph) 2848
FIGURE 25. Variability in fin and blade collar chaetae of Salmacina incrustans from the Great Bitter Lake sampled by H. Brattström and J.P. Taasen in January 1975. Note morphological variability of the fin structure in chaetae from the same individual. A1–3—Three collar chaetae (spec. no. 15), A1—Profile view, slightly darkened, A2—¾ view, A3—Frontal view of fin, B—Profile view of collar chaeta (spec. no. 8), C1–2—Frontal view of fin (spec. no. 14) with tips of blades of two chaetae to the left, D1–3—Three chaetae of spec. no. 10: D1—Frontal view of most distal fin, D2—Frontal view of fin positioned between the most distal and most proximal chaetae—the blade of these chaetae are below the focus level of the SEM and thus not visible in the micrograph; D3—¾ view of fin of most proximal chaeta, E—Frontal view of fin (specimen no. 16), F—Frontal view of fins (spec. no. 13; note the free (non-denticulate) space between the fin and the blades; the denticulate structure of the blades, G. G1—Frontal view of fin, G2—Lateral, almost profile view of fin & blade chaeta (specimen no. 11, 10,000 x). Magnifications: A1, A2—7,000 x, A3, E–G—10,000 x, B—6,000 x, C—16,000 x; D1—15,000 x; D2, D3—12,000 x.
FIGURE 23 in Serpulidae (Annelida: Polychaeta) from the Suez Canal- From a Lessepsian Migration Perspective (a Monograph) 2848
FIGURE 23. Frontal SEM views of the two extreme forms (types) of thoracic uncini in Salmacina spp. A—Paucidentate rasp-shaped uncini (pru-type) of Salmacina dysteri: Uncini from third thoracic torus of specimen from the Isle of Muck, Hebrides, Scotland, 30.VII.1938 (Scottish Museum, Edinburgh); note "above" the fang (the enlarged anterior-most tooth, designated in the figure as F), 7 transverse rows of teeth, with two teeth in the row proximal to the fang (rows in figure numbered and designated by a line); that proximal to fang designated as (F+1); apical (posterior) row, here, the 7th row, designated as (F+7); the detailed dental formula of the left uncinus in A is then (F+1) = 2: (F+2) = 2: (F+3) = 3: (F+4) = 3: (F+5) = 3: (F+6) = 3 and (F+7) = 3, or, briefly, F:2:2:3:3:3:3:3 (as noted above, in the detailed dental formula, the different transverse rows of the uncinus are separated by a colon), B—Multidentate rasp-shaped thoracic uncini (mru-type) present in Salmacina amphidentata not Jones, 1962 sensu Fiege & Sun (1999) from Hainan Island, near China (from Fiege & Sun 1999: 135, fig. 22c), "above" the fang, 9 transverse rows of teeth, with six teeth in the (F+1) row proximal to the fang, and with the number of teeth in the transverse rows increasing to 10–11 towards the apex (transverse rows 5– 7); the dental formula of the right uncinus is F:6:7:?9:10:11:11:11:?8:9.
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