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207 results for “Ocypodidae”
Fig. 1. A in Systematics Of The Indo-West Pacific Broad-Fronted Fiddler Crabs (Crustacea: Ocypodidae: Genus Uca)
Fig. 1. A Bayesian inference (BI) tree of the Indo-West Pacific (IWP broad-fronted (BF) fiddler crabs (subgenera Austruca, Paraleptuca and Cranuca) and the comparative taxa (the American Minuca and Leptuca, the eastern Atlantic Afruca, and IWP narrow-fronted Tubuca, Australuca and Gelasimus), based on the combined 16S rRNA, cytochrome oxidase subunit I genes (COI) and 28S rRNA. For the details of specimens see Table 1. Probability values at the nodes represent support values for BI and maximum likelihood (ML). The doted lined block means the Uca lactea complex. For the clade of "Minuca & Leptuca", the species names with gray block belong to the subgenus Minuca, and the remaining species belong to the subgenus Leptuca.
Fig. 15. Tmethypocoelis liki, new species. A in On a collection of thoracotreme crabs (Crustacea: Brachyura: Ocypodidae, Macrophthalmidae, Dotillidae) from two offshore islands of Papua, eastern Indonesia, with descriptions of two new species
Fig. 15. Tmethypocoelis liki, new species. A, paratype, MZB.Cru.5012, male, 5.3 × 3.1 mm, in situ with life colouration. B, holotype, MZB.Cru.5011, male, 6.2 × 3.5 mm, dorsal habitus, preserved colouration; Papua, Liki Island. C–D, habitat of Tmethypocoelis liki, new species (photograph C by Sumaryanto Bronto).
Fig. 11. Morphological comparison. A, C, E in On a collection of thoracotreme crabs (Crustacea: Brachyura: Ocypodidae, Macrophthalmidae, Dotillidae) from two offshore islands of Papua, eastern Indonesia, with descriptions of two new species
Fig. 11. Morphological comparison. A, C, E, Macrophthalmus convexus, MZB.Cru.1386, male, 20.1 × 10.3 mm; North Moluccas, Halmahera. B, D, F, Macrophthalmus parvimanus, MZB.Cru.4718, male, 24.0 × 12.4 mm; Moluccas, Saparua Island. A–B, carapace; C–D, external orbital angle; E–F, male left cheliped. Scale bars: 5 mm.
Fig. 12 in On a collection of thoracotreme crabs (Crustacea: Brachyura: Ocypodidae, Macrophthalmidae, Dotillidae) from two offshore islands of Papua, eastern Indonesia, with descriptions of two new species
Fig. 12. Comparison of left G1. A–E, Macrophthalmus convexus, MZB.Cru.1386, male, 20.1 × 10.3 mm; North Moluccas, Halmahera. F–G, Macrophthalmus parvimanus, MZB.Cru.4718, male, 24.0 × 12.4 mm; Moluccas, Saparua Island. H–J, Macrophthalmus parvimanus, MZB.Cru.3268, male, 13.5 × 8.0 mm; Lombok Island.
Fig. 17 in On a collection of thoracotreme crabs (Crustacea: Brachyura: Ocypodidae, Macrophthalmidae, Dotillidae) from two offshore islands of Papua, eastern Indonesia, with descriptions of two new species
Fig. 17. Tmethypocoelis liki, new species. Holotype, MZB.Cru.5011, male, 6.2 × 3.5 mm; Papua, Liki Island. Merus of the left cheliped: A, outer margin; B, lower margin; C, upper margin; D, lower surface; E, upper surface; F, outer surface. Carpus of the left cheliped: G, upper surface; H, lower surface; I, outer surface; J, upper margin; K, lower margin; L, outer margin. Left palm: M, inner surface; N, outer surface; O, upper margin; P, lower margin.
Fig. 10. Macrophthalmus manggala, new species. A in On a collection of thoracotreme crabs (Crustacea: Brachyura: Ocypodidae, Macrophthalmidae, Dotillidae) from two offshore islands of Papua, eastern Indonesia, with descriptions of two new species
Fig. 10. Macrophthalmus manggala, new species. A, holotype, MZB.Cru.5013, male, 23.1 × 10.9 mm; Papua, Liki Island. B–E, paratype, male, 21.6 × 10.7 mm, MZB.Cru.5014. A, pleon. Left G1: B, dorsal surface of stem; apical portion: C, mesial view; D, ventral view; E, dorsal view. Paratype, MZB.Cru.5014, female, 13.4 mm × 6.7 mm; Papua, Liki Island. F, pleon; G, outer surface of left cheliped; H, left vulva.
Fig. 9 in On a collection of thoracotreme crabs (Crustacea: Brachyura: Ocypodidae, Macrophthalmidae, Dotillidae) from two offshore islands of Papua, eastern Indonesia, with descriptions of two new species
Fig. 9. Macrophthalmus manggala, new species, holotype, MZB.Cru.5013, male, 23.1 × 10.9 mm; Papua, Liki Island. Left pereopods 2–5: A–D, upper margin; E–H, lower margin; A, E, P2; B, F, P3; C, G, P4; D, H, P5.
Fig. 13 in On a collection of thoracotreme crabs (Crustacea: Brachyura: Ocypodidae, Macrophthalmidae, Dotillidae) from two offshore islands of Papua, eastern Indonesia, with descriptions of two new species
Fig. 13. Teeth plate of the gastric mill: A, D, G, median tooth plate; B, E, H, left lateral tooth plate. A–B, Macrophthalmus manggala, new species; paratype, MZB.Cru.5014, male, 21.6 × 10.7 mm; Papua, Liki Island. D–E, Macrophthalmus convexus, MZB.Cru.1386, male, 20.1 × 10.3 mm; North Moluccas, Halmahera. G–H, Macrophthalmus parvimanus, MZB.Cru.4718, male, 24.0 × 12.4 mm; Moluccas, Saparua Island. Vulva: C, Macrophthalmus manggala, new species; paratype, MZB.Cru.5014, female, 13.4 mm × 6.7 mm; Papua, Liki Island. F, Macrophthalmus convexus, MZB.Cru.5060, female, 17.2 × 9.3 mm; Bali. I, Macrophthalmus parvimanus, MZB.Cru.4718, female, 21.9 × 11,1 mm; Moluccas, Saparua Island. Scale bars: 1 mm.
Fig. 7 in On a collection of thoracotreme crabs (Crustacea: Brachyura: Ocypodidae, Macrophthalmidae, Dotillidae) from two offshore islands of Papua, eastern Indonesia, with descriptions of two new species
Fig. 7. Macrophthalmus manggala, new species. Holotype, MZB.Cru.5013, male, 23.1 × 10.9 mm; Papua: Liki Island. Left cheliped: A, upper view; B, lower surface of merus; C, outer surface of merus; D, outer margin of merus; E, upper margin of merus; F, lower view; G, inner surface of carpus; H, upper margin of dactylus; I, lower margin of fixed finger. Left chela: J, inner surface; K, outer surface.
Fig. 6. Macrophthalmus manggala, new species. Holotype. MZB.Cru.5013 in On a collection of thoracotreme crabs (Crustacea: Brachyura: Ocypodidae, Macrophthalmidae, Dotillidae) from two offshore islands of Papua, eastern Indonesia, with descriptions of two new species
Fig. 6. Macrophthalmus manggala, new species. Holotype. MZB.Cru.5013, male, 23.1 × 10.9 mm; Papua, Liki Island. A, dorsal habitus, preserved colouration; B, dorsal surface of carapace; C, epistome; D, orbit area; E, 3rd maxilliped.
Fig. 5 in On a collection of thoracotreme crabs (Crustacea: Brachyura: Ocypodidae, Macrophthalmidae, Dotillidae) from two offshore islands of Papua, eastern Indonesia, with descriptions of two new species
Fig. 5. Paraleptuca crassipes (White, 1847). MZB.Cru.4918, male 13.7 × 9.0 mm; Papua: Liki Island. A, in situ with live colouration. MZB.Cru.4918, male, 14.0 × 9.2 mm; Papua: Liki Island. B, dorsal habitus, preserved colouration. C, outer surface of major chela. P2–P5: D–G. Right G1: H, dorsal and ventral view; I, apical portion. Scale bars: B–G, 5 mm; H, 3 mm; I, 1 mm.
Fig. 4 in On a collection of thoracotreme crabs (Crustacea: Brachyura: Ocypodidae, Macrophthalmidae, Dotillidae) from two offshore islands of Papua, eastern Indonesia, with descriptions of two new species
Fig. 4. Gelasimus jocelynae (Shih et al., 2010). MZB.Cru.4912, male, 18.4 × 12.9 mm; Papua: Liki Island. A, in-situ with live colouration (photograph by Sumaryanto Bronto); B, dorsal habitus, preserved colouration. C, outer surface of major chela. P2–P5: D–G. Right G1: H, dorsal and ventral view; I, apical portion. Scale bars: B–G, 5 mm; H, 3 mm; I, 1 mm.
Fig. 2 in On a collection of thoracotreme crabs (Crustacea: Brachyura: Ocypodidae, Macrophthalmidae, Dotillidae) from two offshore islands of Papua, eastern Indonesia, with descriptions of two new species
Fig. 2. Ocypode ceratophthalmus (Pallas, 1772). MZB.Cru.5017, male, 38.7 × 34.1 mm; Papua: Bepondi Island. A, dorsal habitus, preserved colouration. B–K, left appendages. Chela: B, inner surface; C, outer surface. P2–P5: D–G, anterior surface; H–K, posterior surface; L, stridulating ridge on inner surface of palm of chela. G1: M, whole morphology; N, apical portion. Scale bars: A, 10 mm; B–K, 5 mm; L–N, 3 mm.
Fig. 3 in On a collection of thoracotreme crabs (Crustacea: Brachyura: Ocypodidae, Macrophthalmidae, Dotillidae) from two offshore islands of Papua, eastern Indonesia, with descriptions of two new species
Fig. 3. Ocypode cordimana (Latreille, 1818). MZB.Cru.4914, male, 38.3 × 34.7 mm; Papua: Bepondi Island. A, dorsal habitus, preserved colouration. B–L, right appendages. Chela: B, inner surface; C, outer surface; D, inner surface of palm indicating no stridulating ridge. P2–P5: E–H, anterior surface; I–L, posterior surface. G1: M, whole morphology; N, apical portion. Scale bars: A, 10 mm; B–C, E–L, 5 mm; D, M, N, 3 mm.
Fig. 1 in On a collection of thoracotreme crabs (Crustacea: Brachyura: Ocypodidae, Macrophthalmidae, Dotillidae) from two offshore islands of Papua, eastern Indonesia, with descriptions of two new species
Fig. 1. Map of two outer Islands of West Papua, Indonesia. Liki sampling station, Liki 1, 01º37′26.31″S, 138º44′22.76″E; Liki 2, 01º37′27.46″S, 138º44′29.96″E; Liki 3, 01º37′25.29″S, 138º44′26.54″E; Liki 4, 01º36′18.05″S, 138º44′36.33″E; Liki 5, 01º37′27.35″S, 138º44′22.60″E. Bepondi sampling station. 00º24′37.30″S, 135º16′02.17″E (Source: d-maps.com; Research Center for Oceanography, LIPI).
Fig. 16 in On a collection of thoracotreme crabs (Crustacea: Brachyura: Ocypodidae, Macrophthalmidae, Dotillidae) from two offshore islands of Papua, eastern Indonesia, with descriptions of two new species
Fig. 16. Tmethypocoelis liki, new species. Holotype, MZB.Cru.5011, male, 6.2 × 3.5 mm; Papua, Liki Island. A, carapace; B, external orbital angle; C, orbit area; D, eyestalk; E, epistome; F, outer surface of left third maxilliped; G, male pleon. Paratype, MZB.Cru.5012, female, 3.5 mm × 2.1 mm; Papua, Liki Island. H, outer surface of left chela; I, pleon; J, left vulva.
Fig. 21 in On a collection of thoracotreme crabs (Crustacea: Brachyura: Ocypodidae, Macrophthalmidae, Dotillidae) from two offshore islands of Papua, eastern Indonesia, with descriptions of two new species
Fig. 21. Successive motion of waving display by male Tmethypocoelis liki, new species. Refer to text for details.
Fig. 19 in On a collection of thoracotreme crabs (Crustacea: Brachyura: Ocypodidae, Macrophthalmidae, Dotillidae) from two offshore islands of Papua, eastern Indonesia, with descriptions of two new species
Fig. 19. Tmethypocoelis liki, new species. Holotype, MZB.Cru.5011, male, 6.2 × 3.5 mm; Papua, Liki Island. Left pereopods: A–D, upper margin; E–H, lower margin; A, E, P2; B, F, P3; C, G, P4; D, H, P5.
Fig. 20 in On a collection of thoracotreme crabs (Crustacea: Brachyura: Ocypodidae, Macrophthalmidae, Dotillidae) from two offshore islands of Papua, eastern Indonesia, with descriptions of two new species
Fig. 20. Tmethypocoelis liki, new species. Paratypes: A–C, MZB.Cru.5012, male, 5.0 × 3.0 mm; D–E, MZB.Cru.5012, male, 5.1 × 3.2 mm; Papua, Liki Island. Left G1: A, D, whole morphology; apical portion: B, E, lateral; C, mesial.
Female fiddler crabs, Austruca lactea (Decapoda: Ocypodidae), adjust their rate of mate sampling based on remaining days until oviposition under a size-dependent temperature constraint
<p>The rate of mate sampling is one of the critical components associated with the sampling costs in female mate choice. In ectotherms, environmental temperature generally constrains locomotion performance. In addition, females will adjust the mate sampling rate depending on their breeding schedule because of the risk of remaining unfertilized eggs or a loss of benefits related to mating, if they lost the opportunity to copulate. This study investigated how these effects influence the rate of female mate sampling in the temperate fiddler crab (<em>Austruca lactea</em>) in the field. The number of sampled males per searching duration formed a convex curve against environmental temperature. The optimal environmental temperature increased with the female body size. These results suggest that the mate sampling rate would be under a size-dependent temperature constraint, and sampling costs would be lower for larger females than smaller individuals under high-temperature conditions. Furthermore, when there were fewer remaining days, the mate sampling rate increased. Females would hasten the sampling rate to ensure a suitable burrow for breeding. Mate sampling rate in female A. lactea is therefore associated with environmental temperature, female body size, and remaining days until oviposition.</p>
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