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Figure 4 in Population biology of the freshwater shrimp Atya scabra (Leach, 1816) (Crustacea: Decapoda) in São Francisco River, Brazil: evidence from a population at risk of extinction

Figure 4. Atya scabra (Leach, 1816). (A) Proportion of adult ovigerous and non-ovigerous females and (B) sex ratio (estimate ± SE) during the months sampled. In (B), the black square indicates a deviation from a 1:1 sex ratio.

Figure 1 in Population biology of the freshwater shrimp Atya scabra (Leach, 1816) (Crustacea: Decapoda) in São Francisco River, Brazil: evidence from a population at risk of extinction

Figure 1. (A) Dorsal and (B) lateral view of Atya scabra (Leach, 1816) captured on the São Francisco River, Sergipe, Brazil (Photo: Alves, DFR).

Figure 3 in Population biology of the freshwater shrimp Atya scabra (Leach, 1816) (Crustacea: Decapoda) in São Francisco River, Brazil: evidence from a population at risk of extinction

Figure 3. Atya scabra (Leach, 1816). Size-frequency distribution of carapace length (mm) of the male and female shrimp sampled in São Francisco River, Sergipe, Brazil.

Figure 2 in Population biology of the freshwater shrimp Atya scabra (Leach, 1816) (Crustacea: Decapoda) in São Francisco River, Brazil: evidence from a population at risk of extinction

Figure 2. Map of Brazil indicating the São Francisco River watershed. Inset: sampling site (black circle) and the region of the Xingó Reservoirs (white circle). Legend: MG–Minas Gerais; BA–Bahia; SE–Sergipe; AL–Alagoas; PE–Pernambuco.

Figure 2 in Setogenesis and characterization of the new moult substages in the freshwater shrimp Palaemon argentinus (Nobili, 1901) (Caridea: Palaemonidae)

Figure 2. Uropod microphotography of Palaemon argentinus, pre-moult substages. a, D 0: formation of the epidermal line with the distance of the epidermis toward the setal matrix indicates apolysis. b, D ': new setae crossing the gap and reaching the setal base 1 of the old setae. c, D '': epidermis invagination around the setal axis. d, D ''': new setae inserted in the setal cone of old setae; setal 1 1 axes more visible. e, D 2: last pre-moult stage; setal axis pigmented. f, Ecdysis, shedding of the new setae from the setae of the old exoskeleton. Abbreviations: e.l, epidermal line; s.m, setal matrix; ↔ apolysis; n.s, new setae; s.b, setal base; e, epidermis; s.a, setal axis.

Figure 1 in Setogenesis and characterization of the new moult substages in the freshwater shrimp Palaemon argentinus (Nobili, 1901) (Caridea: Palaemonidae)

Figure 1. Posterior region of Palaemon argentinus. a, Circle indicates the observed region of the uropods (U) and setae (S) for determining the moult stages. b, Microphotography in intermoult. Abbreviations: s.m, setal matrix; s.n, setal node; s.b, setal base.

Figure 4 in Setogenesis and characterization of the new moult substages in the freshwater shrimp Palaemon argentinus (Nobili, 1901) (Caridea: Palaemonidae)

Figure 4. Uropod microphotography of Palaemon argentinus. a, Early post-moult (A): vesicular inclusions fill the setae, setal nodes that are a bit dense. b, substage B 1: of vesicular inclusions to levels where setal cone will be formed. c, Substage B 2: beginning of the formation of septum, setal base formed, and the presence of vesicular inclusions in setal cone. d, Intermoult: absence of vesicular inclusions in setal cone. Abbreviations: v.i, vesicular inclusions; s.n, setal nodes; s.b, setal base.

Figure 3 in Setogenesis and characterization of the new moult substages in the freshwater shrimp Palaemon argentinus (Nobili, 1901) (Caridea: Palaemonidae)

Figure 3. Uropod microphotography of Palaemon argentinus. Early post-moult (A). Abbreviation: vesicular inclusions (v.i).

Fig. 5 in First molecular identification of Vorticella sp. from freshwater shrimps in Tainan, Taiwan

Fig. 5. Bayesian phylogenetic tree of Vorticella sp. constructed from the nuclear ITS1-5.8S-ITS2 sequences. Sequences investigated in this study is in bold. Numbers numbers given at nodes of branches are the posterior probability (BI) and bootstrap (ML) values. The scale bar corresponds to 10 substitutions per 100 nucleotide positions. Classification follows that of Lynn (2008).

Fig. 2 in First molecular identification of Vorticella sp. from freshwater shrimps in Tainan, Taiwan

Fig. 2. Vorticella aequilata-like pop TW infected freshwater shrimps (Neocaridina Denticulata). (st) stalk. (sc) scopula. (FV) food vacuole. Scale bar: A = 500 μm; B- D = 100 μm.

Fig. 4 in First molecular identification of Vorticella sp. from freshwater shrimps in Tainan, Taiwan

Fig. 4. Bayesian phylogenetic tree of peritrich ciliates constructed from the nuclear ITS1-5.8S-ITS2 sequences. Sequence investigated in this study is in bold. Numbers given at nodes of branches are the posterior probability (BI) and bootstrap (ML) values. The scale bar corresponds to 10 substitutions per 100 nucleotide positions. Classification follows that of Lynn (2008).

Fig. 3 in First molecular identification of Vorticella sp. from freshwater shrimps in Tainan, Taiwan

Fig. 3. Scutariella sp. infected freshwater shrimps (Neocaridina Denticulata). (b) brain. (e) eye. (m) mouth. (p) pharynx. (t) testis. (te) tentacle. (vg) vitelline glands. Scale bar: A = 500 μm; B, D = 200 μm; C = 100 μm.

Fig. 8 in Report On A Collection Of Freshwater Shrimps (Crustacea: Decapoda: Caridea) From The Philippines, With Descriptions Of Four New Species

Fig. 8. Caridina mindanao, new species, ovig. female, cl 3.8 mm, Mindanao, Philippines: A. telson; 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, third maxilliped; J, diaeresis. Scale bars: A, C-E, G, I = 0.5 mm; B, F, H = 0.1 mm; J = 0.2 mm.

Fig. 6 in Report On A Collection Of Freshwater Shrimps (Crustacea: Decapoda: Caridea) From The Philippines, With Descriptions Of Four New Species

Fig. 6. Caridina palawanensis, new species, male, cl 2.8 mm, ZRC, Panitian River, upper stream, ca 30 km from river mouth, Palawan Island, Philippines: A, male second pleopod; B, male first pleopod. Caridina sumatrensis, male, cl 3.2 mm, ZRC, Santacruz River, Palawan Island, Philippines: C, cephalothorax and cephalic appendages, lateral view; D, first pereiopod; E, second pereiopod; F, third pereiopod; G, preanal carina. Potamalpheops miyai, male, cl 3.0 mm, ZRC, Surigao mangrove, Mindanao Island, Philippines: H, cephalothorax and cephalic appendages, lateral view; I, second pereiopod; J, propodus and dactylus of third pereiopod; K, fifth pereiopod; L, uropodal diaeresis. Scale bars: A, B = 0.2 mm, C, H = 1 mm, D-G, I-L = 0.5 mm.

Fig. 5 in Report On A Collection Of Freshwater Shrimps (Crustacea: Decapoda: Caridea) From The Philippines, With Descriptions Of Four New Species

Fig. 5. Caridina palawanensis, new species, ovig. females, cl 4.1 mm, paratype, ZRC, Panitian River, upper stream, ca 30 km from river mouth, Palawan Island Philippines:A, cephalothorax and cephalic appendages, lateral view; B, telson; C, distal portion of telson; D, scaphocerite; E, first pereiopod; F, second pereiopod; G, third pereiopod; H, dactylus of third pereiopod; I, fifth pereiopod; J, dactylus of fifth pereiopod; K, preanal carina; L, uropodal diaeresis. Scale bars: A, B, D = 1 mm; E-G, I, K = 0.5 mm; C = 0.2 mm; H, J = 0.1 mm.

Fig. 3 in Report On A Collection Of Freshwater Shrimps (Crustacea: Decapoda: Caridea) From The Philippines, With Descriptions Of Four New Species

Fig. 3. Caridina buhi, new species, ovig. female, cl 4.0 mm, holotype, NSMT, Binahugan River, Buhi, Camarines Sur, Luzon, Philippines: A, cephalothorax and cephalic appendages, lateral view; B, telson; C, distal portion of telson; D, first pereiopod; E, second pereiopod; F, third pereiopod; G, dactylus of third pereiopod; H, fifth pereiopod; I, dactylus of fifth pereiopod; J, preanal carina; K, uropodal diaeresis. Scale bars: A = 1 mm, B, D-F, H, J = 0.5 mm; C, G, I, K = 0.2 mm.

Fig. 7 in Report On A Collection Of Freshwater Shrimps (Crustacea: Decapoda: Caridea) From The Philippines, With Descriptions Of Four New Species

Fig. 7. Caridina mindanao, new species, ovig. female, cl 3.8 mm, Mindanao, Philippines: A, cephalothorax and cephalic appendages; B, abdomen and telson; C, scaphocerite; D, mandible; E, maxillula; F, maxilla; G, first maxilliped; H, second maxilliped. Scale bars: A, B = 1 mm; C, H = 0.5 mm.

Fig. 2 in Report On A Collection Of Freshwater Shrimps (Crustacea: Decapoda: Caridea) From The Philippines, With Descriptions Of Four New Species

Fig. 2. Caridina cebuensis, new species, male, cl 2.5 mm, paratype, Cebu, Philippines: A, third pereiopod; B, dactylus of third pereiopod; C, fifth pereiopod; D, dactylus of fifth pereiopod; E, endopod of male first pleopod; F, appendix masculina and appendix interna of male second pleopod. Scale bars: A, C = 0.5 mm; B, D-F = 0.1 mm.

Fig. 1 in Report On A Collection Of Freshwater Shrimps (Crustacea: Decapoda: Caridea) From The Philippines, With Descriptions Of Four New Species

Fig. 1. Caridina cebuensis, new species, male, cl 2.5 mm, paratype, Cebu, Philippines: A, cephalothorax and cephalic appendages, lateral view; B, telson; C, distal portion of telson; D, scaphocerite; E, mandible; F, maxillula; G, first maxilliped; H, second maxilliped; I, third maxilliped; J, first pereiopod; K, second pereiopod; L, uropodal diaeresis. Scale bars: A = 1 mm; B, D-K = 0.5 mm; D, C = 0.1 mm; L = 0.2 mm.

Fig. 9 in Report On A Collection Of Freshwater Shrimps (Crustacea: Decapoda: Caridea) From The Philippines, With Descriptions Of Four New Species

Fig. 9. Caridina mindanao, new species, male, cl 3.3 mm, Mindanao, Philippines: 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, appendix masculina and appendix interna of male second pleopod; I, preanal carina. Scale bars: A-C, E, I = 0.5 mm; D, F = 0.1 mm; G, H = 0.2 mm.