Caridina similis Bouvier 1904

Caridina similis Bouvier, 1904 Figs 2C, 5E Caridina similis Bouvier, 1904: 135. Caridina brevirostris f. typica Bouvier, 1912b: 916. Caridina brevirostris f. Gardineri Bouvier, 1912b: 916. Caridina similis – Bouvier 1905: 88, fig. 10. – Keith et al. 2006: 58. – Marquet & Keith 2008: 980, figs 1–3. Caridina brevirostris f. similis – Bouvier 1925: 228, figs 507–508. Caridina brevirostris f. typica – Bouvier 1925: 228, figs 509–510, 514–523. Caridina brevirostris f. Gardineri – Bouvier 1925: 228, figs 505–506, 511–513. Caridina brevirostris – Bouvier 1904: 136; 1912b: 915; 1913a: 447, pls. 27–29. — Costa 1980: 673‒700. Caridina singhalensis – Borradaile 1907: 67. Type locality Mahé, Seychelles. Material examined SEYCHELLES ‒ Mahé • 8 ♀♀ ovig. (cl 4.7‒6.3 mm), 1 ♀ (cl 5.9 mm), 1 ♂ (cl 4.1 mm); mare aux cochons; 4°39.029′ S, 55°24.152′ E; 17 Feb. 2020; P. Keith and M. Mennesson leg.; MNHN-2025-128; MNHN • 3 juv. (cl 2.4‒2.9 mm); Baume Ellie; 14 Feb. 2020; P. Keith and M. Mennesson leg.; MNHN-2025-129; MNHN. ‒ Silhouette • 1 ♀ ovig. (cl 4.4 mm); Anse Mandon; 4°28′1″ S, 55°13′30″ E; 28 Nov. 2012; P. Keith leg.; DNA voucher: CA1854; MNHN-2025-130; MNHN • 1 ♂ (cl 3.9 mm); same data as for preceding; DNA voucher: CA1855; MNHN-2025-131; MNHN • 1 ♀ ovig. (cl 5.5 mm); same data as for preceding; DNA voucher: CA1856; MNHN-2025-132; MNHN • 1 ♀ ovig. (cl 5.6 mm); same data as for preceding; DNA voucher: CA1857; MNHN-2025-133; MNHN. See also “other material” in Marquet & Keith (2008). Distribution Endemic to the Seychelles (La Digue, Mahé, Praslin, Silhouette). Habitat Freshwater in permanent rivers. Remarks As for the previous species, C. similis shows a very variable form of the rostrum indicating numerous forms like Caridina brevirostris f. similis, Caridina brevirostris f. typica, Caridina brevirostris f. Gardineri now all junior synonyms of C. similis (see Marquet & Keith 2008).