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Figure 20 in Epibiontic communities on the freshwater shrimp Caridina ensifera (Crustacea, Decapoda, Atyidae) from Lake Poso (Sulawesi, Indonesia)

Figure 20. Two first principal components of the Principal Component Analysis performed using the mean density of epibionts on each anatomical unit of the different shrimps analysed.

Figure 23 in Epibiontic communities on the freshwater shrimp Caridina ensifera (Crustacea, Decapoda, Atyidae) from Lake Poso (Sulawesi, Indonesia)

Figure 23. Distribution of each epibiont species (mean densities) and total mean density of epibionts, along the anterioposterior axis of Caridina ensifera. Anatomical units are considered in five groups.

Figures 3–10 in Epibiontic communities on the freshwater shrimp Caridina ensifera (Crustacea, Decapoda, Atyidae) from Lake Poso (Sulawesi, Indonesia)

Figures 3–10. (3, 4) Acineta sulawesiensis (silver carbonate, ×1070): (3) the macronucleus and the anterior prolongation of the lorica; (4) the actinophores with the tentacles. (5) Podophrya maupasi (methyl green, ×792). (6–9) Spelaeophrya polypoides: (6) individual showing the basal disc, the tentacles and the pore of the contractile vacuole (arrow) (SEM, ×280); (7) several specimens in their location on the basibiont surface (SEM, ×230); (8) a specimen showing the elongate macronucleus (silver carbonate, ×450); (9) the macronucleus irregular and the inferior part articulate of the body (silver carbonate, ×360). (10) Zoothamnium intermedium, a colony showing the stalk and the shape of the zooids (silver carbonate, ×420).

Figure 22 in Epibiontic communities on the freshwater shrimp Caridina ensifera (Crustacea, Decapoda, Atyidae) from Lake Poso (Sulawesi, Indonesia)

Figure 22. Dendrogram of the Hierarchical Cluster Analysis (epibiont species) performed using the mean densities of epibionts on the different anatomical units of the shrimps analysed (metric distance: City Block (Manhattan); method: Ward).

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Fig. 3 a-h in Ecological characterization of habitats colonized by the freshwater gastropod Viviparus contectus (MILLET, 1813) (Gastropoda, Prosobranchia) - Theoretical and experimental data

Fig. 3 a-h: Logistic regression models of the single environmental variables for the presentation of eventual habitat preferences of V. contectus. For a validation of the models experimental data from diverse field studies were used (e.g., PATZNER & ISARCH 1999, STURM 2000a).

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Fig. 1 in Ecological characterization of habitats colonized by the freshwater gastropod Viviparus contectus (MILLET, 1813) (Gastropoda, Prosobranchia) - Theoretical and experimental data

Fig. 1: Stereoscopic photographs showing the front and back of the shell of V. contectus with its typical shape and mouth geometry. The height of the shells measures about 4.5 cm.

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Fig. 2 a-h in Ecological characterization of habitats colonized by the freshwater gastropod Viviparus contectus (MILLET, 1813) (Gastropoda, Prosobranchia) - Theoretical and experimental data

Fig. 2 a-h: Box-plots for the statistical evaluation of single environmental variables under incorporation of all malacological data available in the scientific literature and those data with occurrence of V. contectus, respectively. The black boxes range from the first to the third quartile, whereas the ends of the lines mark the minimum and the maximum of the data. The white line indicates the position of the median.

Fig. 10 in The Giant Freshwater Prawns Of The Macrobrachium Rosenbergii Species Group (Crustacea: Decapoda: Caridea: Palaemonidae)

Fig. 10. Map of natural distribution of Macrobrachium rosenbergii (on the right side of dash line) and M. dacqueti (on the left side of dash line). Dashed line = distribution border of the two species.

Fig. 8 in The Giant Freshwater Prawns Of The Macrobrachium Rosenbergii Species Group (Crustacea: Decapoda: Caridea: Palaemonidae)

Fig. 8. Macrobrachium rosenbergii: A, B, 2 adult males from Ajkwa R., Papua, Indonesia, not preserved; C, 2 ovigerous females from Dinas, the Philippines, not preserved.

Fig. 7 in The Giant Freshwater Prawns Of The Macrobrachium Rosenbergii Species Group (Crustacea: Decapoda: Caridea: Palaemonidae)

Fig. 7. Abdomen: A, Macrobrachium rosenbergii (male 75.0 mm CL, Ajkwa R., Papua, Indonesia, not preserved); B, Macrobrachium dacqueti (male 62.80 mm CL, Mahakam R., Melak, E. Kalimantan, Indonesia).

Fig. 5 in The Giant Freshwater Prawns Of The Macrobrachium Rosenbergii Species Group (Crustacea: Decapoda: Caridea: Palaemonidae)

Fig. 5. Carapace: A, Macrobrachium rosenbergii (male 75.0 mm CL, Ajkwa R., Papua, Indonesia, not preserved); B–C, M. dacqueti: B, adult (male 62.60 mm CL, Jaya R., Bukit Sarang area, Bintulu, Sarawak, East Malaysia, Borneo, coll. H. H. Tan (ZRC), 20 Aug.2005; C, young specimen from Serian, Sarawak, East Malaysia, Borneo, not preserved.

Fig. 9 in The Giant Freshwater Prawns Of The Macrobrachium Rosenbergii Species Group (Crustacea: Decapoda: Caridea: Palaemonidae)

Fig. 9. Macrobrachium dacqueti: A, male 62.60 mm CL, Jaya R., Bukit Sarang area, Bintulu, Sarawak, East Malaysia, Borneo, coll. H. H. Tan (ZRC), 20 Aug.2005; B, male 88.90 mm CL, Lake Semayang, E. Kalimantan, Indonesia, coll. D. Wowor & H. H. Tan (MZB), Nov.1999; C, male 62.80 mm CL, Mahakam R., Melak, E. Kalimantan, Indonesia); D, 2 males, from aquaculture, Philippines, originating from Thailand, not preserved.

Fig. 6 in The Giant Freshwater Prawns Of The Macrobrachium Rosenbergii Species Group (Crustacea: Decapoda: Caridea: Palaemonidae)

Fig. 6. Young individuals: A–B, Macrobrachium rosenbergii: A, 45.0 mm CL, Tambulig, Panguil Bay, Mindanao, Philippines, not preserved; B, Ajkwa R., Papua, Indonesia, not preserved; C, M. dacqueti, Serian, Sarawak, East Malaysia, Borneo, not preserved.

Fig. 4 in The Giant Freshwater Prawns Of The Macrobrachium Rosenbergii Species Group (Crustacea: Decapoda: Caridea: Palaemonidae)

Fig. 4. Macrobrachium dacqueti (Sunier, 1925): A, ovigerous female 41.90 mm CL, lateral view (ZRC 2000.2408); B, male 64.15 mm CL, close up, carpus of second pereiopod (SAM C 11228).

Fig. 3 in The Giant Freshwater Prawns Of The Macrobrachium Rosenbergii Species Group (Crustacea: Decapoda: Caridea: Palaemonidae)

Fig. 3. Macrobrachium rosenbergii (de Man, 1879): A, ovigerous female 39.10 mm CL, lateral view (MZB); B, male 83.30 mm CL, close up, carpus of second pereiopod (QM W 16487).

Fig. 1 in The Giant Freshwater Prawns Of The Macrobrachium Rosenbergii Species Group (Crustacea: Decapoda: Caridea: Palaemonidae)

Fig. 1. Scatterplot of MDA scores (first root) for the two supposed subspecies, adults only. Symbols: Macrobrachium rosenbergii rosenbergii females (filled circle), M. r. rosenbergii males (empty circle), M. r. dacqueti females (filled square) and M. r. dacqueti males (empty square). Eigenvalue = 28.709; Wilks's λ = 0.034; χ2 = 200.095, df = 8, p <0.0001.

Fig. 2 in The Giant Freshwater Prawns Of The Macrobrachium Rosenbergii Species Group (Crustacea: Decapoda: Caridea: Palaemonidae)

Fig. 2. Scatterplot of MDA scores (first root) for the two supposed subspecies, males only. Symbols: Macrobrachium rosenbergii rosenbergii adult males (filled circle), M. r. rosenbergii young males (empty circle), M. r. dacqueti adult males (filled square) and M. r. dacqueti young males (empty square). Eigenvalue = 6.587; Wilks's λ = 0.132; χ2 = 267.485, df = 8, p <0.0001.

Fig. 7 in Freshwater Shrimps Of The Family Atyidae (Crustacea: Decapoda: Caridea) From Peninsular Malaysia And Singapore

Fig. 7. Caridina sumatrensis: A, cephalothorax and cephalic appendages; B, distal portion of telson; C, first pereiopod; D, second pereiopod; E, third pereiopod; F, dactylus of third pereiopod; G, fifth pereiopod; H, dactylus of fifth pereiopod; I, male first pleopod; J, male second pleopod. Scale bars: A = 1 mm; C–E, G = 0.5 mm; B, F, H, I, J = 0.2 mm. (male, cl 3.7 mm, Sungai Telor, Peninsular Malaysia, ZRC).

Fig. 10 in Freshwater Shrimps Of The Family Atyidae (Crustacea: Decapoda: Caridea) From Peninsular Malaysia And Singapore

Fig. 10. Caridina thambipillaii: A, cephalothorax and cephalic appendages; B, first pereiopod; C, second pereiopod; D, third pereiopod; E, dactylus of third pereiopod; F, endopod of male first pleopod; G, male second pleopod. Scale bars: A = 1 mm; B–D = 0.5 mm; E – G=0.2 mm. (male, cl 3.3 mm, Sungai Stunggang, Sarawak, East Malaysia, ZRC).

Fig. 16 in Freshwater Shrimps Of The Family Atyidae (Crustacea: Decapoda: Caridea) From Peninsular Malaysia And Singapore

Fig. 16. Caridina johnsoni, new species: A, first pereiopod; B, second pereiopod; C, third pereiopod; D, dactylus of third pereiopod; E. fifth pereiopod; F, dactylus of fifth pereiopod; G, male first pleopod; H, male second pleopod. Scale bars: A–C, E = 0.5 mm; D, F = 0.1 mm; G, H = 0.2 mm. (A–F, ovigerous female, cl 3.3 mm, holotype; G, H, male, cl 2.5 mm, Lower Peirce Reservoir, ZRC).