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FIG. 8 in Morphological identification and molecular validation of anchovies (Engraulidae) in the Persian Gulf and Oman Sea

FIG. 8. Morphological characteristics of Encrasicholina punctifer, collected from Qeshm)a (isthmus muscle reaching to hind border of gill membrane)1(; there is not urohyal bony plate)2(.)b(belly with needle like scutes before pelvic fin base.)c, d(maxilla short and bluntly rounded posteriorly, projecting rarely beyond 2nd supramaxilla)1), not reaching to anterior of preoperculum. FIG. 9. Morphological characteristics of Stolephorus indicus, collected from Bandar-e-Jask)a(isthmus muscle reaching to beyond hind margin of branchial membrane)1(; there is urohyal bony plate (2).)b(belly with sharp needle like before -pelvic scutes.)c, d(Maxilla tip pointed (1), reaching to or only just beyond anterior border of pre-operculum.

FIG. 4 in Morphological identification and molecular validation of anchovies (Engraulidae) in the Persian Gulf and Oman Sea

FIG. 4. Morphological characteristics of Thryssa hamiltonii, collected from Bandar Abbas)a(snout tip above level of eye cent- er.)b(maxilla short or moderate, projects slightly beyond gill opening.)c(two supra-maxilla on upper jaw.)d(first supramaxilla small, oval.)e(the first gill arch.)f(serrae on the gillrakers not clumped.

Fig. 7 in Morphological identification and molecular validation of anchovies (Engraulidae) in the Persian Gulf and Oman Sea

Fig. 7. Morphological characteristics of Encrasicholina pseudoheteroloba, collected from Qeshm,)a(isthmus muscle)1(; reaching to hind border of gill membrane)2(; there is urohyal bony plate (3).)b (belly with needle-like scutes before pelvic fin base.)c, d(maxilla pointed posteriorly, projecting well beyond 2nd supramaxilla, reaching the margin of sub-operculum.)e(3nd anal fin ray branched.)f(3nd dorsal fin ray branched.

FIG. 5 in Morphological identification and molecular validation of anchovies (Engraulidae) in the Persian Gulf and Oman Sea

FIG. 5. Morphological characteristics of Thryssa whiteheadi, collected from Tiab)a(snout tip above level of eye centre.) b(maxilla moderate, its tip projecting just a little beyond edge of gill cover.)c) one supra-maxilla on upper jaw, jaw teeth slightly enlarged compared with other species.)d(first supra-maxilla absent.)e (the first gill arch. (f) serrae on the gillrakers not clumped.

FIG. 10 in Morphological identification and molecular validation of anchovies (Engraulidae) in the Persian Gulf and Oman Sea

FIG. 10. Morphological characteristics of larvae collected from Bandar Aftab)a) isthmus muscle (Uncertain existence urohyal bony plate(.)b(very fragile dorsal and anal fin rays and uncertain counts of unbranched and branched.)c, d(maxilla tip pointed, reaching to anterior border of pre-operculum.

FIG. 3 in Morphological identification and molecular validation of anchovies (Engraulidae) in the Persian Gulf and Oman Sea

FIG. 3. Morphological characteristics of Thryssa setirostris, collected from Bandar Abbas)a(snout tip at about level of eye center. (b(maxilla very long (the longest in Engraulidae), usually reaching at the pelvic fin base, or to the anal fin origin.)c) two supra-maxilla on upper jaw.)d(first supramaxilla great, oval.)e (the first gill arch. (f) serrae on the gillrakers not clumped.

FIGURE 12. Peltogaster reticulata, nauplius V. A in The parasitic barnacle Peltogaster reticulata Shiino, 1943 (Rhizocephala, Peltogastridae) fromRussian watersof the Sea of Japan:morphological description molecular identification and complete larval development

FIGURE 12. Peltogaster reticulata, nauplius V. A, ventral view; B, head shield setae; C, frontolateral horn; D, hind body; E, antennula. Cf, cuticular fringes; su, suture; 1–2a, head shield setae; 5, 6, antennular setae.

FIGURE 13. Peltogaster reticulata, cypris larva. A in The parasitic barnacle Peltogaster reticulata Shiino, 1943 (Rhizocephala, Peltogastridae) fromRussian watersof the Sea of Japan:morphological description molecular identification and complete larval development

FIGURE 13. Peltogaster reticulata, cypris larva. A, lateral view of male larva; B, anterior lattice organ 2 (LO2); C, posterior lattice organs 3–5; D, pores of frontolateral horn gland; E, F, porefields; G, hole with porefield; H, antennules of male cyprid; I, J, attachment disc of male larva; K, the fourth antennular segment of male larva; L, M, attachment disc of female larva; N, the fourth antennular segment of female larva. As, axial sense seta; bz, breakage zone; fe, flap-like extension; fp, filamentous processes; ma, male aesthetasc; oes, open-ended seta; p, pore; pas1, postaxial sense seta 1; pas2, postaxial sense seta 2; pf, porefield; sa, subterminal aesthetasc; sk, skirt; ts, terminal setae.

FIGURE 4 in The parasitic barnacle Peltogaster reticulata Shiino, 1943 (Rhizocephala, Peltogastridae) fromRussian watersof the Sea of Japan:morphological description molecular identification and complete larval development

FIGURE 4. BI consensus tree of partial mt COI gene sequences of the genus Peltogaster. The HKY+G substitution model was used for the analysis. The Bayesian posterior probability and bootstrap values higher than 50% for the NJ analyses are shown near nodes (the order of their values is BI/NJ).

FIGURE 8 in The parasitic barnacle Peltogaster reticulata Shiino, 1943 (Rhizocephala, Peltogastridae) fromRussian watersof the Sea of Japan:morphological description molecular identification and complete larval development

FIGURE 8. Outlines of antennules (Al I–Al V), antenna (An) and mandible (Md) of the naupliar stages of Peltogaster reticulata. 1–6, antennular setae; bs, basipod seta. Scale bar 25 µm.

FIGURE 11. Peltogaster reticulata, nauplius IV. A in The parasitic barnacle Peltogaster reticulata Shiino, 1943 (Rhizocephala, Peltogastridae) fromRussian watersof the Sea of Japan:morphological description molecular identification and complete larval development

FIGURE 11. Peltogaster reticulata, nauplius IV. A, ventral view; B, hind body; C, furca; D, antennule. De, denticles; 5, 6, antennular setae.

FIGURE 3 in The parasitic barnacle Peltogaster reticulata Shiino, 1943 (Rhizocephala, Peltogastridae) fromRussian watersof the Sea of Japan:morphological description molecular identification and complete larval development

FIGURE 3. Transverse sections of the externa of Peltogaster reticulata. A, mature ovary; B, embryos; C, colleteric gland; D, colleteric gland near posterior end; E, left and right receptacles (colleteric gland does not reach the stalk); F, left receptacle near anterior end; G, receptacle duct; H, receptacle duct before outlet in the mantle cavity. Cg, colleteric gland; em, embryos; ov, ovary; m, mantle; r, receptacle; rd, receptacle duct; sh, shield; st, stalk.

FIGURE 10. Peltogaster reticulata, nauplius III. A in The parasitic barnacle Peltogaster reticulata Shiino, 1943 (Rhizocephala, Peltogastridae) fromRussian watersof the Sea of Japan:morphological description molecular identification and complete larval development

FIGURE 10. Peltogaster reticulata, nauplius III. A, ventral view; B, frontolateral horn; C, hind body with furca; D, antennular setae; E, antenna. Bs, basipod seta; se, subterminal seta; su, suture.

FIGURE 2 in The parasitic barnacle Peltogaster reticulata Shiino, 1943 (Rhizocephala, Peltogastridae) fromRussian watersof the Sea of Japan:morphological description molecular identification and complete larval development

FIGURE 2. SEM showing cuticle structure of the externa of Peltogaster reticulata. A, external cuticle (arrows show longitudinal and transverse ridges); B, internal cuticle; C, a group of two retinacula on one base; D, groups of two or four retinacula; E, a single balloon-like retinaculum; F, lamp-brush retinaculum is released out of balloon-like envelope.

FIGURE 9. Peltogaster reticulata, nauplius II. A in The parasitic barnacle Peltogaster reticulata Shiino, 1943 (Rhizocephala, Peltogastridae) fromRussian watersof the Sea of Japan:morphological description molecular identification and complete larval development

FIGURE 9. Peltogaster reticulata, nauplius II. A, ventral view; B, dorsal view; C, flotation collar; D, head shield setae; E, the third head shield seta with subterminal pore; F, head shield pore; G, attachment ridge; H, frontolateral horn; I, labrum; J, hind body; K, furca; L, antennules and antennae. Bs, basipod seta; cf, cuticular fringes; fc, flotation collar; po, pore on shield head (D) and on attachment disc (G); se, subterminal seta; su, suture; 1, 2, 2a, anterior head shield setae; 1–5, antennular setae.

FIGURE 6 in The parasitic barnacle Peltogaster reticulata Shiino, 1943 (Rhizocephala, Peltogastridae) fromRussian watersof the Sea of Japan:morphological description molecular identification and complete larval development

FIGURE 6. Body outlines (ventral view) of male and female larvae of Peltogaster reticulata. A, NI–NV, naupliar stages; B, cypris stages; C, head shield of nauplius III (dorsal view with setation); D, carapace of cyprid (lateral view with lattice organs). 1–5, head shield setae (C), lattice organs (D); p, pore; pf, porefield. Scale bar 100 µm.

FIGURE 5 in The parasitic barnacle Peltogaster reticulata Shiino, 1943 (Rhizocephala, Peltogastridae) fromRussian watersof the Sea of Japan:morphological description molecular identification and complete larval development

FIGURE 5. Size-frequency distribution of male (black bars) and female (grey bars) cyprids of Peltogaster reticulata.

FIGURE 7. Peltogaster reticulata, nauplius I. A in The parasitic barnacle Peltogaster reticulata Shiino, 1943 (Rhizocephala, Peltogastridae) fromRussian watersof the Sea of Japan:morphological description molecular identification and complete larval development

FIGURE 7. Peltogaster reticulata, nauplius I. A, ventral view; B, dorsal view; C, details of B; D, frontolateral horn; E, appendages. Al, antennule; an, antenna; fh, frontolateral horn; fr, furcal rami; md, mandible; po, pore; se, subterminal seta; su, suture; 2, 2a, head shield setae.