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Fig. 5 in Five Subtidal Species of the Family Pilumnidae (Crustacea, Decapoda, Brachyura) from the Philippines, with Comparative Notes on Pilumnus hirsutissimus Takeda and Komatsu, 2020, from Japan

Fig. 5. Posture in field, with color in life. A: Heteropilumnus planus Ng and Lin, ovig.8 (NMCR-92506; cb 10.9×cl 7.3 mm). B: Pilumnus caerulescens A. Milne-Edwards, Ə (NMCR-92507; cb 11.5×cl 14.0 mm). C: Pilumnus neglectus Balss, Ə (NMCR-92508; cb 8.3×cl 6.9 mm). D: Pilumnus aff. purpureus A. MilneEdwards, ovig. 8 (NMCR-92510; cb 11.4×cl 7.9 mm).

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Fig. 1 in External Factors Determining The Reproductive Periodicity In A Tropical Population Of The Hairy Crab Pilumnus Vespertilio (Decapoda: Brachyura: Pilumnidae)

Fig. 1. Monthly frequency variation of females of Pilumnus vespertilio collected at Inhaca Island from January to December 2002.

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Table 1 in A description of the first zoeal stage of Pilumnus vinaceus A. Milne-Edwards, 1880 (Decapoda, Pilumnidae), with a revision of the first zoea morphology of Pilumnus Leach, 1815

Table 1. Larval characters of the first zoeal stage of Indo-West Pacific and Eastern Pacific species of the genus Pilumnus Leach,1815.<table><tbody><tr><th></th><th></th><th></th><th>Indo-West Pacific</th><th></th><th></th><th>Eastern Pacific</th><th></th><th>western Atlantic</th><th></th><th>eastern Atlantic</th></tr></tbody><tbody><tr><th></th><td>Pilumnus kempi</td><td>Pilumnus longicornis</td><td>Pilumnus minutus</td><td>Pilumnus scabriusculus</td><td>Pilumnus sluiteri</td><td>Pilumnus vespertilio</td><td>Pilumnus indicus</td><td>Pilumnus limosus</td><td>Pilumnus dasypodus</td><td>Pilumnus reticulatus *</td><td>Pilumnus vinaceus</td><td>Pilumnus hirtellus</td><td>Pilumnus spinifer</td></tr><tr><th>Size</th></tr><tr><th>RDL (mm)</th><td>nd</td><td>nd</td><td>0.71</td><td>0.77</td><td>nd</td><td>1.78 (0.98) b</td><td>0.70</td><td>0.91</td><td>1.2 b</td><td>1.02</td><td>0.83</td><td>1.5 (1.2) c</td><td>0.9</td></tr><tr><th>Carapace</th></tr><tr><th>posterodorsal s</th><td>nd</td><td>0</td><td>0</td><td>nd</td><td>2</td><td>0</td><td>nd</td><td>2</td><td>0</td><td>0</td><td>0</td><td>0</td><td>0</td></tr><tr><th>s on ventral margin</th><td>1 d</td><td>0</td><td>0</td><td>0</td><td>1</td><td>0</td><td>0**</td><td>0</td><td>0</td><td>0</td><td>0</td><td>0</td><td>0</td></tr><tr><th>Antennule</th></tr><tr><th>a,s</th><td>7,1</td><td>4,2</td><td>3, 3</td><td>nd</td><td>5,2</td><td>3,2 (4, 2) c</td><td>2,2 (4)</td><td>4,1</td><td>4,1 (4, 3) b</td><td>4,1</td><td>4, 2</td><td>4,2</td><td>4,1</td></tr><tr><th>Antenna</th></tr><tr><th>endopod</th><td>Present</td><td>Absent</td><td>Absent</td><td>Absent</td><td>Present</td><td>Presentb</td><td>Absent</td><td>Absent</td><td>Absent</td><td>Absent</td><td>Absent</td><td>Absent</td><td>Absent</td></tr><tr><th>Maxillule</th></tr><tr><th>s on coxal end.</th><td>7</td><td>7</td><td>7</td><td>7</td><td>7</td><td>7</td><td>7</td><td>7</td><td>7</td><td>7</td><td>7</td><td>6-7</td><td>7</td></tr><tr><th>Maxilla</th></tr><tr><th>s on coxal end.</th><td>5 + 4</td><td>6 + 4</td><td>6 + 4</td><td>6 + 4</td><td>6 + 4</td><td>4 + 3 (6 + 4) c</td><td>6 + 4</td><td>5 + 4</td><td>5 + 4</td><td>5 + 4</td><td>5 + 4</td><td>5 + 4 (4 + 4) c</td><td>5 + 4</td></tr><tr><th>s on basial end.</th><td>4 + 4</td><td>5 + 4</td><td>5 + 4</td><td>5 + 4</td><td>5 + 4</td><td>6 + 4 (5 + 4) b  c</td><td>5 + 4</td><td>5 + 4</td><td>5 + 4</td><td>5 + 4</td><td>5 + 4</td><td>5 + 4</td><td>5 + 4</td></tr><tr><th>Maxilliped 1</th></tr><tr><th>s on basis</th><td>11 (10) d</td><td>10</td><td>10</td><td>10</td><td>10</td><td>9 (10) b  c</td><td>10</td><td>10</td><td>10</td><td>10</td><td>10</td><td>10</td><td>10</td></tr><tr><th>s on end</th><td>3, 2,1, 2,5</td><td>3, 2,1, 2,5</td><td>3,2, 1, 2,5</td><td>3,2,1, 2,5</td><td>3, 2,1, 2, 5</td><td>2 (3) b  c, 2,1, 2, 5</td><td>3,2,1, 2, 5</td><td>3,2,1, 2,5</td><td>3,2, 1, 2,5</td><td>3, 2,1, 2, 5</td><td>3,2,1, 2,5</td><td>3, 2,1, 2, 5</td><td>3,2,1, 2,5</td></tr><tr><th>Pleon</th></tr><tr><th>dorsomedial s (so1)</th><td>0 d</td><td>0</td><td>0</td><td>2</td><td>1</td><td>0</td><td>0</td><td>0</td><td>nd</td><td>0</td><td>0</td><td>0</td><td>0</td></tr><tr><th>posterodorsal s (so1)</th><td>0 d</td><td>0</td><td>0</td><td>0</td><td>1</td><td>0</td><td>0</td><td>0</td><td>nd</td><td>0</td><td>0</td><td>0</td><td>0</td></tr><tr><th>dorsolateral processes</th><td>2 nd- 3 rd so</td><td>2 nd- 3 rd so</td><td>2 nd- 5 th so</td><td>2 nd- 3 rd so</td><td>2 nd- 5 th so</td><td>2 nd- 3 rd so</td><td>2 nd so</td><td>2 nd- 3 rd so</td><td>2 nd- 3 rd so</td><td>2 nd- 5 th so</td><td>2 nd- 3 rd so</td><td>2 nd- 3 rd so</td><td>2 nd- 3 rd so</td></tr></tbody></table>a = aesthetascs;end.= endopod;nd = not described;RDL = rostrodorsal length;s = setae;so = somite;** = data from figures observation.References: P.kempi (Siddiqui & Tirmizi, 1992; Clark & Ng,2004 d); P.longicornis (Clark & Paula, 2003); P.minutus (Terada, 1984; Ko, 1994); P.scabriusculus (Terada, 1990); P.sluiteri (Clark & Ng, 2004); P.verpertilio (Lim & Tan,1981; Terada,1990 b; Clark & Paula,2003 c); P.indicus (Terada,1980); P.limosus (García-Guerrero et al., 2005).

FIG. 6. — Ceratoplax margarita n in Ceratoplax margarita n. sp., a new rhizopine crab (Crustacea: Brachyura: Pilumnidae) from Papua New Guinea, with rediagnoses of C. truncatifrons Rathbun, 1914, and C. fulgida Rathbun, 1914

FIG. 6. — Ceratoplax margarita n. sp., holotype ♂, 7.9 × 5.2 mm (MNHN-IU-2014-10126), Papua New Guinea: A, ventral view of right G1; B, dorsal view of right G1; C, ventral view of distal part of right G1; D, dorsal view of distal part of right G1; E, right G2; F, left third maxilliped (setae not drawn). Scale bars: A, B, 0.5 m; C-E, 0.1 mm; F, 1.0 mm.

FIG. 4. — A-C in Ceratoplax margarita n. sp., a new rhizopine crab (Crustacea: Brachyura: Pilumnidae) from Papua New Guinea, with rediagnoses of C. truncatifrons Rathbun, 1914, and C. fulgida Rathbun, 1914

FIG. 4. — A-C, Ceratoplax truncatifrons Rathbun, 1914, holotype ♂, 7.0 × 4.2 mm, (USNM 46399), Philippines; D-H, Ceratoplax fulgida Rathbun, 1914, holotype ♂, 7.1 × 4.3 mm, (USNM 46401), Philippines; I, Ceratoplax fulgida, paratype ♀, 6.3 × 4.2 mm, (USNM 46401), Philippines; A, D, ventral views of left G1s; B, E, dorsal views of left G1s; F, ventral view of tip of left G1; C, G, left third maxillipeds (setae denuded); H, I, right side of carapace. Scale bars: A, B, D, E, 0.1 mm; C, G, 0.2 mm; F, 0.05 mm; H, I, 0.5 mm.

FIG. 2 in Ceratoplax margarita n. sp., a new rhizopine crab (Crustacea: Brachyura: Pilumnidae) from Papua New Guinea, with rediagnoses of C. truncatifrons Rathbun, 1914, and C. fulgida Rathbun, 1914

FIG. 2. — Ceratoplax truncatifrons Rathbun, 1914: A, E, ♂, 4.0 × 2.5 mm, (NNM-ZMA Crust De 203018), Indonesia; B, D, ♂, 5.2 × 3.3 mm, (NNM Cru D-2164), Indonesia; C, ♀, 5.6 × 3.5 mm, (NNM-ZMA Crust De 203018), Indonesia. A-C, overall dorsal views; D, E, anterior thoracic sternums and abdomens. Scale bars: 1.0 mm.

FIG. 3 in Ceratoplax margarita n. sp., a new rhizopine crab (Crustacea: Brachyura: Pilumnidae) from Papua New Guinea, with rediagnoses of C. truncatifrons Rathbun, 1914, and C. fulgida Rathbun, 1914

FIG. 3. — Ceratoplax fulgida Rathbun, 1914, holotype ♂, 7.1 × 4.3 mm (USNM 46401), Philippines: A, overall dorsal view; B, frontal view of carapace; C, anterior thoracic sternum and abdomen; D, outer view of right chela; E, outer view of left chela. Scale bars: 1.0 mm.

FIG. 5. — Ceratoplax margarita n in Ceratoplax margarita n. sp., a new rhizopine crab (Crustacea: Brachyura: Pilumnidae) from Papua New Guinea, with rediagnoses of C. truncatifrons Rathbun, 1914, and C. fulgida Rathbun, 1914

FIG. 5. — Ceratoplax margarita n. sp., holotype ♂, 7.9 × 5.2 mm (MNHN-IU-2014-10126), Papua New Guinea: A, overall dorsal view; B, frontal view of carapace and chelae; C, anterior thoracic sternum and abdomen. Scale bars: 1.0 mm.

FIG. 1 in Ceratoplax margarita n. sp., a new rhizopine crab (Crustacea: Brachyura: Pilumnidae) from Papua New Guinea, with rediagnoses of C. truncatifrons Rathbun, 1914, and C. fulgida Rathbun, 1914

FIG. 1. — Ceratoplax truncatifrons Rathbun, 1914, holotype ♂, 7.0 × 4.2 mm, (USNM 46399), Philippines: A, overall dorsal view; B, frontal view of carapace; C, anterior thoracic sternum and abdomen; D, outer view of right chela; E, outer view of left chela. Scale bars: 1.0 mm.

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Figure 3 in Population structure and breeding biology of the hairy crab Pilumnus vespertilio (Fabricius, 1793) (Crustacea: Brachyura: Pilumnidae) in southern Mozambique

Figure 3. Pilumnus vespertilio (Fabricius, 1793). Association between monthly juveniles (crabs of both sexes,15.1 mm CW) with temperature at Inhaca Island, southern Mozambique.

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Figure 2 in Population structure and breeding biology of the hairy crab Pilumnus vespertilio (Fabricius, 1793) (Crustacea: Brachyura: Pilumnidae) in southern Mozambique

Figure 2. Pilumnus vespertilio (Fabricius, 1793). Monthly size–frequency distributions. White bars, males; grey bars, non-ovigerous females; black bars, ovigerous females.

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Figure 1 in Population structure and breeding biology of the hairy crab Pilumnus vespertilio (Fabricius, 1793) (Crustacea: Brachyura: Pilumnidae) in southern Mozambique

Figure 1. Pilumnus vespertilio (Fabricius, 1793). Overall size–frequency distributions of all individuals collected at Inhaca Island.

Figure 16. Pilumnus spinifer H. Milne Edwards, 1834 in The complete larval development of the crab Pilumnus spinifer (Brachyura: Xanthoidea: Pilumnidae) reared in the laboratory

Figure 16. Pilumnus spinifer H. Milne Edwards, 1834. Abdomen, lateral view: (A) zoea IV; (B) megalopa. Scale bars: 0.1 mm.

Figure 15. Pilumnus spinifer H. Milne Edwards, 1834 in The complete larval development of the crab Pilumnus spinifer (Brachyura: Xanthoidea: Pilumnidae) reared in the laboratory

Figure 15. Pilumnus spinifer H. Milne Edwards, 1834. Abdomen, lateral view: (A) zoea I; (B) zoea II; (C) zoea III. Scale bars: 0.1 mm.

Figure 14. Pilumnus spinifer H. Milne Edwards, 1834 in The complete larval development of the crab Pilumnus spinifer (Brachyura: Xanthoidea: Pilumnidae) reared in the laboratory

Figure 14. Pilumnus spinifer H. Milne Edwards, 1834. Abdomen, dorsal view: (A) zoea I; (B) zoea I, enlarged details of the somites 2–5; (C) zoea I, detail of the furca; (D) zoea II; (E) zoea III; (F) zoea IV; (G) zoea IV, detail of the furca; (H) megalopa. Scale bars: 0.1 mm.

Figure 11. Pilumnus spinifer H. Milne Edwards, 1834 in The complete larval development of the crab Pilumnus spinifer (Brachyura: Xanthoidea: Pilumnidae) reared in the laboratory

Figure 11. Pilumnus spinifer H. Milne Edwards, 1834. Third maxilliped: (A) zoea III; (B) zoea IV; (C) megalopa. Scale bars: 0.1 mm.

Figure 12. Pilumnus spinifer H. Milne Edwards, 1834. Pereiopods 1–5 in The complete larval development of the crab Pilumnus spinifer (Brachyura: Xanthoidea: Pilumnidae) reared in the laboratory

Figure 12. Pilumnus spinifer H. Milne Edwards, 1834. Pereiopods 1–5: (A) zoea II; (B) zoea III; (C) zoea IV. Scale bars: 0.1 mm.

Figure 10. Pilumnus spinifer H. Milne Edwards, 1834 in The complete larval development of the crab Pilumnus spinifer (Brachyura: Xanthoidea: Pilumnidae) reared in the laboratory

Figure 10. Pilumnus spinifer H. Milne Edwards, 1834. Second maxilliped: (A) zoea I; (B) zoea IV; (C) megalopa. Scale bars: 0.1 mm.

Figure 13. Pilumnus spinifer H. Milne Edwards, 1834 in The complete larval development of the crab Pilumnus spinifer (Brachyura: Xanthoidea: Pilumnidae) reared in the laboratory

Figure 13. Pilumnus spinifer H. Milne Edwards, 1834. Megalopa: (A–E) pereiopods 1–5; (F) detail of the dactyl of the pereiopod 2; (G) detail of the spine of the dactyl; (H) detail of the distal part of dactyl of the pereiopod 5; (I) sternum. Scale bars: 0.1 mm.

Figure 9. Pilumnus spinifer H. Milne Edwards, 1834 in The complete larval development of the crab Pilumnus spinifer (Brachyura: Xanthoidea: Pilumnidae) reared in the laboratory

Figure 9. Pilumnus spinifer H. Milne Edwards, 1834. First maxilliped: (A) zoea I; (B) zoea III, endopod; (C) megalopa. Scale bars: 0.1 mm.