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FIGURE 6 in First records of some coral reef-associated brachyuran crabs from the Nicobar archipelago, India

FIGURE 6. Cavoportunus dubius (Laurie, 1906), male (IO/SS/BRC/00191, 26.9 × 20.4 mm), Andaman Sea, India: (A) carapace, dorsal view; (B) carapace, frontal view; (C) right mxp3, ventral view; (D) left chela and carpus, lateral view; (E) left chela and carpus, dorsal view; (F) left P5, dorsal view; (G) male pleon and telson, ventral view. Scale bars: A, 5 mm, B–G, 2 mm.

FIGURE 4 in First records of some coral reef-associated brachyuran crabs from the Nicobar archipelago, India

FIGURE 4. Urnalana angulata (Rathbun, 1911), undetermined sex (6.9 × 7.0 mm) (IO/SS/BRC/00184), Andaman Sea, India: (A) carapace, dorsal view; (B) carapace, ventral view; (C) carapace, frontal view; (D) left mxp3, ventral view; (E) right cheliped, dorsal view; (F) right cheliped, ventral view; (G) P4, dorsal view. Scale bars: A–B, E–F, 2 mm, C–D, G, 0.5 mm.

FIGURE 9. Xanthias joanneae Mendoza, 2013 in First records of some coral reef-associated brachyuran crabs from the Nicobar archipelago, India

FIGURE 9. Xanthias joanneae Mendoza, 2013, male (IO/SS/BRC/00197, 6.4 × 4.2 mm), Andaman Sea, India: colour photographs: (A) carapace, dorsal view; (B) mxp3, chelipeds, pereopods, sternum and pleon, ventral view. Scale bars: A–B, 2 mm.

FIGURE 3 in First records of some coral reef-associated brachyuran crabs from the Nicobar archipelago, India

FIGURE 3. Singhaplax ockelmanni (Serène, 1971), male (IO/SS/BRC/00360, 4.8 × 2.5 mm), Andaman Sea, India: (A) carapace, dorsal view; (B) carapace, frontal view; (C) right mxp3, ventral view; (D) right cheliped, dorsal view; (E) right chela and carpus, external view; (F) right P2, dorsal view; (G) right P5, dorsal view; (H) male pleonites 5–6 and telson, ventral view. Female (IO/SS/BRC/00361, 4.6 × 2.5 mm), Andaman Sea, India: (I) female pleon, ventral view; (J) right vulva, ventral view. Scale bars: A, 2 mm, D, 1 mm, B–C, E–I, 0.5 mm.

FIGURE 2 in First records of some coral reef-associated brachyuran crabs from the Nicobar archipelago, India

FIGURE 2. Dorsal habitus photographs (A–C, E–G: fresh specimens; D: ethanol-preserved specimen): (A) Singhaplax ockelmanni (Serène, 1971), male (IO/SS/BRC/00360, 4.8 × 2.5 mm); (B) Urnalana angulata (Rathbun, 1911), undetermined sex (IO/SS/BRC/00184, 6.9 × 7.0 mm); (C) Pseudolambrus confragosus (Calman, 1900), male (IO/SS/BRC/00323, 22.2 × 18.0 mm; (D) Cavoportunus dubius (Laurie, 1906), male (IO/SS/BRC/00191, 26.9 × 20.4 mm); (E) Cyrtocarcinus truncatus (Rathbun, 1906), male (IO/SS/BRC/00193, 8.6 × 6.1 mm); (F) Visayax osteodictyon Mendoza & Ng, 2008, male (IO/SS/ BRC/00194, 5.2 × 3.6 mm); (G) Xanthias joanneae Mendoza, 2013, male (IO/SS/BRC/00197, 6.4 × 4.2 mm). Scale bars: A–B, E, G, 2 mm, C, 10 mm, D, F, 5 mm.

FIGURE 8 in First records of some coral reef-associated brachyuran crabs from the Nicobar archipelago, India

FIGURE 8. Visayax osteodictyon Mendoza & Ng, 2008, male (IO/SS/BRC/00194, 5.2 × 3.6 mm), Andaman Sea, India: (A) carapace, dorsal view; (B) carapace, frontal view; (C) right mxp3, ventral view; (D) left cheliped, lateral view; (E) right cheliped (fresh colouration), lateral view; (F) left P2, dorsal view; (G) male pleon and telson, ventral view. Scale bars: A–G, 1 mm.

FIGURE 10 in First records of some coral reef-associated brachyuran crabs from the Nicobar archipelago, India

FIGURE 10. First and second gonopods: Singhaplax ockelmanni (Serène, 1971), male (IO/SS/BRC/00360, 4.8 × 2.5 mm): (A) entire G1, pleonal view; (B) entire G1, sternal view; (C) entire G2, pleonal view. Pseudolambrus confragosus (Calman, 1900), male (IO/SS/BRC/00323, 22.2 × 18.0 mm): (D) entire G1, pleonal view; (E) G1 distal portion, pleonal view; (F) G1 distal portion, sternal view; (G) entire G1, sternal view; (H) entire G2, pleonal view. Cavoportunus dubius (Laurie, 1906), male (IO/SS/BRC/00191, 26.9 × 20.4 mm): (I) entire G1, pleonal view; (J) entire G1, lateral view; (K) entire G1, mesial view; (L) entire G2, pleonal view. Cyrtocarcinus truncatus (Rathbun, 1906), male (IO/SS/BRC/00193, 8.6 × 6.1 mm): (M) entire G1, pleonal view; (N) entire G1, sternal view; (O) entire G2, sternal view. Visayax osteodictyon Mendoza & Ng, 2008, male (IO/ SS/BRC/00194, 5.2 × 3.6 mm): (P) entire G1, pleonal view; (Q) G1 distal portion, pleonal view; (R) entire G1, sternal view. Xanthias joanneae Mendoza, 2013, male (IO/SS/BRC/00197, 6.4 × 4.2 mm). (S) entire G1, pleonal view; (T) G1 distal portion, pleonal view; (U) G1 distal portion, sternal view; (V) entire G1, sternal view. Scale bars: A–C, P–V, 0.2 mm, D, G–N, 1 mm, E, F, O, 0.5 mm.

FIGURE 5 in First records of some coral reef-associated brachyuran crabs from the Nicobar archipelago, India

FIGURE 5. Pseudolambrus confragosus (Calman, 1900), male (IO/SS/BRC/00323, 22.2 × 18.0 mm), Andaman Sea, India: (A) carapace, dorsal view; (B) carapace, lateral view; (C) carapace, frontal view; (D) right mxp3, ventral view; (E) right chela and carpus, subdorsal view; (F) right P2, dorsal view; (G) male pleon and telson, ventral view. Scale bars: A–G, 2 mm.

Figure 5 in Geographical variations in waving display and barricade-building behaviour, and genetic population structure in the intertidal brachyuran crab Ilyoplax pusilla (de Haan, 1835)

Figure 5. Mean number of barricades per burrow in Ilyoplax pusilla at six localities (bar indicates SD). Localities arranged according to latitude. Shared alphabetical letters indicate no significant difference (p.0.05) by Tukey's honestly significant difference test.

Figure 2 in Geographical variations in waving display and barricade-building behaviour, and genetic population structure in the intertidal brachyuran crab Ilyoplax pusilla (de Haan, 1835)

Figure 2. Cheliped path movement in Ilyoplax pusilla: circular type and vertical type. Arrows indicate wave path.

Figure 6 in Geographical variations in waving display and barricade-building behaviour, and genetic population structure in the intertidal brachyuran crab Ilyoplax pusilla (de Haan, 1835)

Figure 6. Parsimony network of mitochondrial DNA cytochrome oxidase subunit I (COI) haplotypes of Ilyoplax pusilla. Haplotypes correspond to Table 5. Single solid line indicates one base. Circle size indicates number of each haplotype. Largest circle, n542; second largest, n514 or 15; third, n58; fourth, n54 or n55; fifth, n52; smallest circle, n51.

Figure 1 in Geographical variations in waving display and barricade-building behaviour, and genetic population structure in the intertidal brachyuran crab Ilyoplax pusilla (de Haan, 1835)

Figure 1. Geographic distribution of Ilyoplax pusilla in Japan (broken line) from Wada et al. (1992), and six localities studied.

Figure 4 in Geographical variations in waving display and barricade-building behaviour, and genetic population structure in the intertidal brachyuran crab Ilyoplax pusilla (de Haan, 1835)

Figure 4. Proportion of extended waves in 30 waving motions of Ilyoplax pusilla at six localities (bar indicates SD). Localities arranged according to latitude. Shared alphabetical letters indicate no significant difference (p.0.05) by Tukey's honestly significant difference test.

Figure 3 in Geographical variations in waving display and barricade-building behaviour, and genetic population structure in the intertidal brachyuran crab Ilyoplax pusilla (de Haan, 1835)

Figure 3. Maximum cheliped extension during waving movements in Ilyoplax pusilla: extended type and non-extended type.

FIGURE 5 in Illustrated key for the identification of the known zoeal stages of brachyuran crabs (Crustacea: Decapoda) from tropical and subtropical Brazil, southwestern Atlantic

FIGURE 5. Appendages of some brachyuran larvae (zoea I). A. Leucippa pentagona H. Milne Edwards, B. Garthiope barbadensis (Rathbun), C. Cronius ruber (Lamarck), D. Ocypode quadrata (Fabricius), E. Eurytium limosum (Say), F. Acanthonix scutiformis (Dana), G. Armases angustipes (Dana), H. Arenaeus cribarius (Lamarck), I. Majidae setae, J. Panopeus austrobesus Williams, K. Moreiradromia antillensis (Stimpson). After A: Pohle & Marques 2003; B: Gore et al. 1981; C: Fransozo et al. 2002; D: Díaz & Costlow 1972; E: Kurata et al. 1981; F: Hiyodo et al. 1994; G: Cuesta & Anger 2001; H: Stuck & Truesdale 1988; I: modified from Pohle & Marques 2003, J: Montú et al. 1988; K: modified from Rice & Provenzano 1966.

FIGURE 4 in Illustrated key for the identification of the known zoeal stages of brachyuran crabs (Crustacea: Decapoda) from tropical and subtropical Brazil, southwestern Atlantic

FIGURE 4. Telsons and abdomens of some brachyuran larvae (zoea I). A. Persephona mediterranea (Herbst), B. Zaops ostreum (Say), C. Austinixa cristata (Rathbun), D. Pinnixa gracilipes Coelho, E. Ethusa microphthalma Smith, F. Troglocarcinus corallicola Verril, G. Planes marinus Rathbun, H. Pachygrapsus transversus (Gibbes), I. Grapsus grapsus Linnaeus, J. Platylambrus serrata (H. Milne Edwards), K. Dissodactylus crinitichelis Moreira, L. Pilumnus reticulates Stimpson, M. Hexapanopeus caribbaeus (Stimpson), N. Percnon gibbesi (H. Milne Edwards), O. Libidoclaea granaria H. Milne Edwards & Lucas, P. Cataleptodius floridanus (Gibbes), Q. Acantholobulus bermudensis Benedict & Rathbun, R. Bathynectes longipes (Risso), S. Grapsus grapsus Linnaeus, T. Speocarcinus meloi D'Incao & Gomes da Silva. After: A: Negreiros-Fransozo et al. 1989; B–C: Pohle et al. 1999; D: Lima et al. 2006; E: Martin & Truesdale 1989; F: Scotto & Gore 1981; G: adapted from Wear 1970; H, P: Ingle 1987; I, S: Guerao et al. 2001; J: Yang 1971; K: Pohle & Telford 1981; L: Spivak & Rodríguez 2002; M: Vieira & Rieger 2004; N: Paula & Hartnoll 1989; O: Fagetti 1969; Q: Martin et al. 1985; R: Ingle 1985b; T: Rieger et al. 2003.

FIGURE 2. Zoea I in Illustrated key for the identification of the known zoeal stages of brachyuran crabs (Crustacea: Decapoda) from tropical and subtropical Brazil, southwestern Atlantic

FIGURE 2. Zoea I of: A. Corystoides chillensis H. Milne Edwards & Lucas, B. Platyxanthus crenulatus A. Milne-Edwards, C. Panopeus austrobesus Willimans, D. Eurytium limosum (Say), E. Goniopsis cruentata (Latreille), F. Aratus pisonii H. Milne- Edwards, G. Tumidotheres maculatus (Say), H. Euchirograpsus americanus A. Milne-Edwards, I. Percnon gibbesi H. Milne Edwards, J. Sesarma curacaoense De Man, K. Ocypode quadrata Fabricius, L. Clypeasterophilus stebbingi Rathbun, M. Mesorhoea sexspinosa Stimpson, N. Pachygrapsus transversus Gibbes, O. Pilumnus dasypodus Kingsley, P. Arenaeus cribarius (Lamarck), Q. Garthiope barbadensis (Rathbun), R. Cataleptodius floridanus (Gibbes). After: A: Pohle et al. 1999; B: Menú-Marque 1970; C: Montú et al. 1988; D: Kurata et al. 1981; E–F: Fransozo et al. 1998; G: Costlow & Bookhout 1966b, H: Wilson 1980; I: Paula & Hartnoll 1989; J: Anger et al. 1995; K: Díaz & Costlow 1972; L: Marques & Pohle 1996; M: Rieger et al. 2002; N: Cuesta & Rodríguez 1994; O: Sandifer 1974; P: Stuck & Truesdale 1988; Q: Gore et al. 1981; R: Ingle 1987.

FIGURE 1. Zoea I in Illustrated key for the identification of the known zoeal stages of brachyuran crabs (Crustacea: Decapoda) from tropical and subtropical Brazil, southwestern Atlantic

FIGURE 1. Zoea I of A, C. Hypoconcha parasitica Linnaeus, B. Dromia eurythropus George Edwrads, D. Homola barbata (Fabricius), E. Latreillia elegans Roux, F. Ethusa microphthalma Smith, G. Persephona mediterranea (Herbst), H. Zaops ostreum (Say), I. Pinnixa chaetopterana Stimpson, J. Eurypodius latreillii Guérin, K. Stenorhynchus seticornis (Herbst), L. Pitho lherminieri (Desbone & Schramm), M. Anasimus latus Rathbun, N. Libinia ferreirae Brito Capello, O. Acanthonix scutiformis Dana, P. Microphrys bicornutus Latreille, Q. Menippe nodifrons Stimpson. After: A, C: Lang & Young 1980; B: Laughlin et al. 1982; D: Rice & Provenzano 1970; E: Rice & Williamson 1977; F: Martin & Truesdale 1989; G: Negreiros-Fransozo et al. 1989; H–L, N: Pohle et al. 1999; M: Sandifer & Van Engel 1972; O: Hiyodo et al. 1994; P: Gore et al. 1982; Q: Scotto 1979.

FIGURE 3 in Illustrated key for the identification of the known zoeal stages of brachyuran crabs (Crustacea: Decapoda) from tropical and subtropical Brazil, southwestern Atlantic

FIGURE 3. Antennae of some brachyuran larvae (zoea I). A. Hypoconcha parasitica (Linnaeus), B. Moreiradromia antillensis (Stimpson), C. Homola barbata (Fabricius), D. Troglocarcinus corallicola Verril, E. Mithraculus coryphe (Herbst), F. Eurypanopeus depressus (Smith), G. Hexapanopeus angustifrons (Benedict & Rathbun), H. Cyclograpsus interger H. Milne Edwards, I. Armases angustipes (Dana), J. Pilumnus reticulatus Stimpson, K. Cyrtograpsus affinis Dana, L. Uca (Minuca) mordax (Smith), M. Cataleptodius floridanus (Gibbes), N. Garthiope barbadensis (Rathbun), O. Cronius tumidulus (Stimpson), P. Calappa gallus (Herbst), Q. Coenophthalmus tridentatus A. Milne-Edwards, R. Pachygrapsus gracilis (Saussure), S. Geograpsus lividus (H. Milne-Edwards). After: A: Lang & Young 1980; B: Rice & Provenzano 1966; C: Rice & Provenzano 1970; D: Scotto & Gore 1981; E: Scotto & Gore 1980; F: Costlow & Bookhout 1961a; G: Costlow & Bookhout 1966a; H: Gore & Scotto 1982; I: Cuesta & Anger 2001; J: Spivak & Rodríguez 2002; K: Spivak & Cuesta 2000; L: Rieger 1997; M, R: Ingle 1987; N: Gore et al. 1981; O: Fransozo et al. 2002; P: Taishaku & Konishi 1995; Q: Spivak & Luppi 2004; S: Cuesta & Schubart 1999.