taxonID	type	description	language	source
03E2EE20B871FFE2FC3CF985D6B32176.taxon	description	(Figs 2; 3)	en	Mazancourt, Valentin de, Bréthiot, Julien, Marquet, Gérard, Keith, Philippe (2022): West Side Story: A molecular and morphological study of Caridina longicarpus Roux, 1926 (Decapoda, Caridea, Atyidae) from New Caledonia reveals a new species. Zoosystema 44 (18): 463-474, DOI: 10.5252/zoosystema2022v44a18
03E2EE20B871FFE2FC3CF985D6B32176.taxon	materials_examined	TYPE MATERIAL. — Lectotype (here designated among the syntypes). New Caledonia • 1 ♂ cl 4.1 mm; above Oubatche, slopes of Mt. Ignambi; 600 m a. s. l.; IV. 1911; F. Sarasin & J. Roux leg.; NMB 6. V. a. Paralectotypes. New Caledonia • 1 ♂ cl 3.4 mm and 1 ♀ ovig. cl. 5.7 mm; same data as for lectotype • 1 ♀ cl 4.7 mm; Ciu, above Canala; 300 m a. s. l.; X. 1911; F. Sarasin & J. Roux leg.; NMB 6. V. b. OTHER MATERIAL EXAMINED. — New Caledonia • 1 ♀ ovig. cl 5.3 mm; Wewec river; 20 ° 37.506 ’ S, 164 ° 44.637 ’ E; 15. X. 2010, G. Marquet & L. Taillebois leg.; DNA: CA 1558; MNHN-IU- 2018 - 3323 • 1 ♀ ovig. cl 5.8 mm; same collection data as preceding; MNHN- IU- 2018 - 3383 • 1 ♀ cl 4.7 mm; same collection data as preceding; DNA: CA 1557; MNHN-IU- 2018 - 3322 • 1 ♀ cl 5.9 mm; same collection data as preceding; DNA: CA 1642; MNHN-IU- 2018 - 3330 • 1 ♀ cl 3.5 mm; same collection data as preceding; DNA: CA 1647; MNHN-IU- 2018 - 3334 • 1 ♀ cl 4.2 mm; same collection data as preceding; DNA: CA 1643; MNHN-IU- 2018 - 3331 • 1 ♂ cl 4.2 mm; same collection data as preceding; DNA: CA 1640; MNHN-IU- 2018 - 3328 • 1 ♂ cl 4.6 mm; same collection data as preceding; DNA: CA 1641; MNHN-IU- 2018 - 3329 • 1 ♂ cl 4.0 mm; same collection data as preceding; DNA: CA 1644; MNHN- IU- 2018 - 3332 • 1 ♂ cl 3.9 mm (MNHN-IU- 2018 - 3333, DNA: CA 1646), 1 ♂ cl 3.4 mm; same collection data as preceding; DNA: CA 1648; MNHN-IU- 2018 - 3335 • 1 ♀ ovig. cl 6.9 mm; Coula river; 21 ° 21.656 ’ S, 165 ° 20.370 ’ E; 240 m a. s. l.; 26. IX. 2016; V. de Mazancourt, P. Tiberghien & G. Marquet leg.; DNA: CA 1594; MNHN-IU- 2018 - 3324 • 1 ♀ ovig. cl 7.3 mm; same collection data as preceding; DNA: CA 1595; MNHN-IU- 2018 - 3325 • 1 ♀ ovig. cl 6.9 mm; same collection data as preceding; DNA: CA 1649; MNHN-IU- 2018 - 3336 • 1 ♀ ovig. cl 5.4 mm; same collection data as preceding; DNA: CA 1650; MNHN-IU- 2018 - 3337 • 1 ♀ ovig. cl 5.9 mm; same collection data as preceding; DNA: CA 1651; MNHN-IU- 2018 - 3338 • 1 ♀ cl 5.0 mm; same collection data as preceding; DNA: CA 1652; MNHN-IU- 2018 - 3339 • 1 ♂ cl 4.0 mm; same collection data as preceding; DNA: CA 1599; MNHN-IU- 2018 - 3326 • 1 ♂ cl 3.7 mm; same collection data as preceding; DNA: CA 1600; MNHN-IU- 2018 - 3327 • 1 ♂ cl 3.4 mm; same collection data as preceding; DNA: CA 1653; MNHN- IU- 2018 - 3340 • 1 ♂ cl 3.9 mm; same collection data as preceding; DNA: CA 1654; MNHN-IU- 2018 - 3341 • 1 ♂ cl 3.9 mm; same collection data as preceding; DNA: CA 1655; MNHN-IU- 2018 - 3342 • 1 ♀ ovig. cl 4.9 mm; Creek Waxac (HYNC 742); 20 ° 39.789 ’ S, 164 ° 44.762 ’ E; 310 m a. s. l.; 14. XI. 2016; V. de Mazancourt leg.; DNA: CA 1659; MNHN-IU- 2018 - 3343 • 1 ♀ ovig. cl 6.3 mm; Diahot river (HYNC 707); 20 ° 31.285 ’ S, 164 ° 33.113 ’ E; 100 m a. s. l.; 5. XI. 2016; C. Pöllabauer, C. Huet & N. Charpin leg.; DNA: CA 1879; MNHN-IU- 2018 - 3344 • 1 ♀ cl 6.0 mm; same collection data as preceding; DNA: CA 1880; MNHN-IU- 2018 - 3345 • 1 ♀ cl 5.0 mm; same collection data as preceding; DNA: CA 1881; MNHN-IU- 2018 - 3346 • 1 ♀ cl 6.4 mm; same collection data as preceding; DNA: CA 1882; MNHN-IU- 2018 - 3347. COMPARATIVE MATERIAL. — Caridina weberi De Man, 1892: Syntypes: Indonesia • 1 ♂ cl 4.5 mm, 1 ♀ ovig. cl 6.1 mm, 1 ♂ cl 4.4 mm; Kotting, Flores Island; XII. 1888; M. Weber leg.; MNHN- IU- 2015 - 1755. Caridina parvirostris De Man, 1892: Syntypes: Indonesia • 2 ♂ cl 3.1 - 3.2 mm, 1 ♀ cl 4.2 mm; river near Bombang, Flores Island; I. 1889; M. Weber leg.; MNHN-IU- 2015 - 1748.	en	Mazancourt, Valentin de, Bréthiot, Julien, Marquet, Gérard, Keith, Philippe (2022): West Side Story: A molecular and morphological study of Caridina longicarpus Roux, 1926 (Decapoda, Caridea, Atyidae) from New Caledonia reveals a new species. Zoosystema 44 (18): 463-474, DOI: 10.5252/zoosystema2022v44a18
03E2EE20B871FFE2FC3CF985D6B32176.taxon	biology_ecology	HABITAT. — This species is largely rheophile and prefers fresh and well-oxygenated waters from the middle to the higher courses (100 - 600 m) (Fig. 3 D).	en	Mazancourt, Valentin de, Bréthiot, Julien, Marquet, Gérard, Keith, Philippe (2022): West Side Story: A molecular and morphological study of Caridina longicarpus Roux, 1926 (Decapoda, Caridea, Atyidae) from New Caledonia reveals a new species. Zoosystema 44 (18): 463-474, DOI: 10.5252/zoosystema2022v44a18
03E2EE20B871FFE2FC3CF985D6B32176.taxon	description	COLOUR PATTERN. — Variable, body dark brown or blue with sometimes a white dorsal line stretching from the rostrum to the telson and numerous reddish-brown spots all over the body (Fig. 3 A-C).	en	Mazancourt, Valentin de, Bréthiot, Julien, Marquet, Gérard, Keith, Philippe (2022): West Side Story: A molecular and morphological study of Caridina longicarpus Roux, 1926 (Decapoda, Caridea, Atyidae) from New Caledonia reveals a new species. Zoosystema 44 (18): 463-474, DOI: 10.5252/zoosystema2022v44a18
03E2EE20B871FFE2FC3CF985D6B32176.taxon	distribution	DISTRIBUTION. — This species has been collected only in New Caledonia so far and seems endemic. It is only found in the rivers flowing to the East coast (Fig. 6).	en	Mazancourt, Valentin de, Bréthiot, Julien, Marquet, Gérard, Keith, Philippe (2022): West Side Story: A molecular and morphological study of Caridina longicarpus Roux, 1926 (Decapoda, Caridea, Atyidae) from New Caledonia reveals a new species. Zoosystema 44 (18): 463-474, DOI: 10.5252/zoosystema2022v44a18
03E2EE20B871FFE2FC3CF985D6B32176.taxon	description	DESCRIPTION Cephalothorax Suborbital angle indistinguishably fused with antennal spine. Pterygostomian margin rounded. Rostrum (Fig. 2 M, N): bent, short, 0.2 - 0.6 of cl; 0.3 - 0.4, mean 0.39 (n = 28) reaching from base to slightly beyond middle of second segment of antennular peduncle, armed with 10 - 24 teeth on dorsal margin (mean 16, n = 27), 0 - 2 of them situated on carapace behind orbital margin (mean 0), ventral margin with 1 - 11 teeth (mean 4, n = 26). Cephalic appendages Eyes well developed, anterior end reaching to 0.55 length of basal segment of antennular peduncle. Antennular peduncle 0.49 (♀) - 0.57 (♂) times as long as carapace. Anterolateral angle reaching 0.30 length of the second segment, second segment same length as the third. Stylocerite reaching just before the tip of the basal segment of antennular peduncle. Pereiopods Epipods on first four pereiopods. P 1 (Fig. 2 A): chela about 2.0 - 2.5 times as long as wide, movable finger 2.7 - 3.9 times as long as wide, 1.0 - 2.0 times length of palm; carpus 1.7 - 2.2 times as long as wide. P 2 (Fig. 2 B) more slender and longer than P 1 with chela 2.2 - 3.2 times as long as wide: movable finger 4.0 - 5.4 times as long as wide, 1.4 - 1.9 times length of palm; carpus slender 5.0 - 7.4 times as long as wide. P 3 (Fig. 2 C): stout, dactylus (Fig. 2 E) 2.6 - 3.4 times as long as wide (terminal spiniform seta included) with 5 - 8 spiniform setae on flexor margin in addition to the terminal spiniform seta; propodus 8.7 - 14.6 times as long as wide, 3.8 - 6.0 times as long as dactylus. P 5 (Fig. 2 D): dactylus (Fig. 2 F) 3.3 - 4.9 times as long as wide with 27 - 72 spiniform setae on flexor margin (52, n = 17); propodus 11.9 - 18.2 times as long as wide, 4.1 - 5.4 times as long as dactylus (mean 4.5, n = 18). Abdomen Third abdominal somite with moderately convex dorsal profile. Sixth abdominal somite about half of carapace length, 1.2 times as long as fifth somite, reaching 0.8 times length of telson. Telson (Fig. 2 G) 2.7 times as long as wide, with 5 - 8 pairs of dorsal spinules and one pair of dorsolateral spinules; posterior margin with a median process, rounded with 5 - 10 (mean 7, n = 21) very long intermediate setae longer than lateral ones. Pl 1 (Fig. 2 J) Endopod of male subrectangular, 2.3 times as long as wide, reaching 0.37 times of exopod, with an appendix on the subdistal outer margin which reaches beyond distal end of endopod on a short length. Pl 2 (Fig. 2 K) Appendix masculina on second pleopod reaching 0.50 times length of endopod; appendix interna reaching 0.50 of appendix masculina. Preanal carina (Fig. 2 I) High, unarmed. Uropodal diaeresis (Fig. 2 H) With 17 - 23 spinules. Eggs (Fig. 2 L) 0.41 - 0.52 × 0.24 - 0.32 mm.	en	Mazancourt, Valentin de, Bréthiot, Julien, Marquet, Gérard, Keith, Philippe (2022): West Side Story: A molecular and morphological study of Caridina longicarpus Roux, 1926 (Decapoda, Caridea, Atyidae) from New Caledonia reveals a new species. Zoosystema 44 (18): 463-474, DOI: 10.5252/zoosystema2022v44a18
03E2EE20B871FFE2FC3CF985D6B32176.taxon	discussion	REMARKS According to Roux (1926), C. longicarpus looks like C. parvirostris De Man, 1892 by its downward bent rostrum and its long P 2 carpus 5.0 - 7.4 times as long as wide (vs 6.0 - 7.4 in C. parvirostris) but the rostrum bears more teeth 10 - 24 (vs 8 - 10 in C. parvirostris) like C. weberi De Man, 1892 (vs 11 - 15 in C. weberi). But this latter species has a shorter P 2 carpus 4.9 - 5.4 (vs 5.0 - 7.4 in C. weberi). Our specimens fit well with the types described by Roux (1926) from New Caledonia: a short bent rostrum, 0.2 - 0.5 of cl (vs 0.2 - 0.4), armed with 10 - 24 teeth on dorsal margin (vs 13 - 25), 0 - 2 of them situated on carapace behind orbital margin (vs 0 - 2); ventral margin with 1 - 11 teeth (vs 3 - 7); P 1 carpus 1.7 - 2.2 times as long as wide (vs. 1.5 - 1.9) and P 2 carpus 5.0 - 7.4 times as long as wide (vs 5.2 - 5.6); P 3 dactylus 2.6 - 3 - 4 times as long as wide (terminal spiniform seta included) (vs 3.1 - 3.5) with 5 - 8 spiniform setae on flexor margin in addition to the terminal one (vs 6 - 7); propodus 8.7 - 14.6 times as long as wide (vs 9.5 - 11.4), 3.8 - 6.0 times as long as dactylus (vs 4.1 - 4.6); by its P 5 dactylus 3.3 - 4.9 as long as wide (vs 3 - 4.5) with 27 - 72 spiniform setae on flexor margin (vs 46 - 69), P 5 propodus 3.4 - 5.1 times as long as dactylus (vs 4.1 - 4.7).	en	Mazancourt, Valentin de, Bréthiot, Julien, Marquet, Gérard, Keith, Philippe (2022): West Side Story: A molecular and morphological study of Caridina longicarpus Roux, 1926 (Decapoda, Caridea, Atyidae) from New Caledonia reveals a new species. Zoosystema 44 (18): 463-474, DOI: 10.5252/zoosystema2022v44a18
03E2EE20B87CFFE1FC52F9E5D0AD23F5.taxon	description	(Figs 4; 5) urn: lsid: zoobank. org: act: 2 B 9014 C 4 - ACBB- 44 A 4 - B 5 BC-A 4 D 3475 D 2493	en	Mazancourt, Valentin de, Bréthiot, Julien, Marquet, Gérard, Keith, Philippe (2022): West Side Story: A molecular and morphological study of Caridina longicarpus Roux, 1926 (Decapoda, Caridea, Atyidae) from New Caledonia reveals a new species. Zoosystema 44 (18): 463-474, DOI: 10.5252/zoosystema2022v44a18
03E2EE20B87CFFE1FC52F9E5D0AD23F5.taxon	materials_examined	MATERIAL EXAMINED. — Holotype. New Caledonia • 1 ♂ cl 4.0 mm; Pouéo river; 21 ° 26.326 ’ S, 165 ° 31.909 ’ E; 180 m a. s. l.; 28. IX. 2016; V. de Mazancourt, P. Tiberghien & G. Marquet leg.; DNA: CA 1657; MNHN-IU- 2018 - 3309. Paratypes. New Caledonia • 1 ♀ cl 7.0 mm; same collection data as for holotype; DNA: CA 1611; MNHN-IU- 2018 - 3311 • 1 ♀ cl 7.7 mm; Pouéo river (HYNC 797); 12. XI. 2017; 21 ° 29.931 ’ S, 165 ° 30.701 ’ E; 25 m a. s. l.; V. de Mazancourt & N. Charpin leg.; DNA: CA 1656; MNHN-IU- 2018 - 3310 • 1 ♂ cl 4.4 mm; same collection data as preceding; DNA: CA 1658; MNHN-IU- 2018 - 3312 • 1 ♀ cl 5.3 mm; same collection data as preceding; DNA: CA 2050; MNHN-IU- 2018 - 3318 • 1 ♀ cl 5.7 mm; Voh river; 20 ° 54.884 ’ S, 164 ° 46.275 ’ E; 38 m a. s. l.; VI. 2016; N. Charpin leg.; DNA: CA 1886; MNHN-IU- 2018 - 3316 • 1 ♀ cl 5.0 mm; same collection data as preceding; DNA: CA 1884; MNHN-IU- 2018 - 3314 • 1 ♀ ovig. cl 5.9 mm; same collection data as preceding; DNA: CA 1883; MNHN- IU- 2018 - 3313 • 1 ♀ ovig. cl 5.4 mm; same collection data as preceding; DNA: CA 1883; DNA: CA 1885; MNHN-IU- 2018 - 3315 • 1 ♀ cl 6.0 mm; Ouaméni river (HYNC 778); 21 ° 49.546 ’ S, 165 ° 56.714 ’ E; 37 m a. s. l.; 5. XI. 2017; V. de Mazancourt & N. Charpin leg.; DNA: CA 2049; MNHN-IU- 2018 - 3317 • 1 ♀ cl 5.0 mm; Nekouri river (HYNC 1892); 21 ° 34.805 ’ S, 165 ° 36.568 ’ E; 44 m a. s. l.; 15. XI. 2017; V. de Mazancourt & N. Charpin leg.; DNA: CA 2053; MNHN- IU- 2018 - 3321 • 1 ♀ cl 5.7 mm; same collection data as preceding; DNA: CA 2052; MNHN-IU- 2018 - 3320 • 1 ♀ ovig. cl 6.3 mm; same collection data as preceding; DNA: CA 2051; MNHN-IU- 2018 - 3319 • 1 ♂ cl 4.0 mm; Farino river; 21 ° 39.717 ’ S, 165 ° 46.344 ’ E; 250 m a. s. l.; 9. XI. 2012; N. Mary leg.; MNHN-IU- 2018 - 3384 • 1 ♀ cl 6.5 mm; same collection data as preceding; MNHN-IU- 2018 - 3385 • 1 ♀ cl 6.8 mm; same collection data as preceding; MNHN-IU- 2018 - 3386. COMPARATIVE MATERIAL. — Caridina weberi De Man, 1892: Syntypes: Indonesia • 1 ♂ cl 4.5 mm, 1 ♀ ovig. cl 6.1 mm, 1 ♂ cl 4.4 mm; Kotting, Flores Island; XII. 1888; M. Weber leg.; MNHN- IU- 2015 - 1755. Caridina parvirostris De Man, 1892: Syntypes: Indonesia • 2 ♂ cl 3.1 - 3.2 mm, 1 ♀ cl 4.2 mm; river near Bombang, Flores Island; I. 1889; M. Weber leg.; MNHN-IU- 2015 - 1748.	en	Mazancourt, Valentin de, Bréthiot, Julien, Marquet, Gérard, Keith, Philippe (2022): West Side Story: A molecular and morphological study of Caridina longicarpus Roux, 1926 (Decapoda, Caridea, Atyidae) from New Caledonia reveals a new species. Zoosystema 44 (18): 463-474, DOI: 10.5252/zoosystema2022v44a18
03E2EE20B87CFFE1FC52F9E5D0AD23F5.taxon	biology_ecology	HABITAT. — This new species is largely rheophile and prefers fresh and well-oxygenated waters from the lower to higher courses (25 - 250 m) (Fig. 5 C).	en	Mazancourt, Valentin de, Bréthiot, Julien, Marquet, Gérard, Keith, Philippe (2022): West Side Story: A molecular and morphological study of Caridina longicarpus Roux, 1926 (Decapoda, Caridea, Atyidae) from New Caledonia reveals a new species. Zoosystema 44 (18): 463-474, DOI: 10.5252/zoosystema2022v44a18
03E2EE20B87CFFE1FC52F9E5D0AD23F5.taxon	etymology	ETYMOLOGY. — The name of this new species refers to its geographical distribution, restricted to the west coast of New Caledonia.	en	Mazancourt, Valentin de, Bréthiot, Julien, Marquet, Gérard, Keith, Philippe (2022): West Side Story: A molecular and morphological study of Caridina longicarpus Roux, 1926 (Decapoda, Caridea, Atyidae) from New Caledonia reveals a new species. Zoosystema 44 (18): 463-474, DOI: 10.5252/zoosystema2022v44a18
03E2EE20B87CFFE1FC52F9E5D0AD23F5.taxon	description	COLOUR PATTERN. — Similar to C. longicarpus: variable, body dark brown or blue with sometimes a white dorsal line stretching from the rostrum to the telson and numerous reddish-brown spots all over the body (Fig. 5 A, B).	en	Mazancourt, Valentin de, Bréthiot, Julien, Marquet, Gérard, Keith, Philippe (2022): West Side Story: A molecular and morphological study of Caridina longicarpus Roux, 1926 (Decapoda, Caridea, Atyidae) from New Caledonia reveals a new species. Zoosystema 44 (18): 463-474, DOI: 10.5252/zoosystema2022v44a18
03E2EE20B87CFFE1FC52F9E5D0AD23F5.taxon	distribution	DISTRIBUTION. — Like the previous species, this species has been collected only in New Caledonia so far and also seems endemic. It is only found in rivers flowing to the west coast (Fig. 6).	en	Mazancourt, Valentin de, Bréthiot, Julien, Marquet, Gérard, Keith, Philippe (2022): West Side Story: A molecular and morphological study of Caridina longicarpus Roux, 1926 (Decapoda, Caridea, Atyidae) from New Caledonia reveals a new species. Zoosystema 44 (18): 463-474, DOI: 10.5252/zoosystema2022v44a18
03E2EE20B87CFFE1FC52F9E5D0AD23F5.taxon	description	DESCRIPTION Cephalothorax Suborbital angle indistinguishably fused with antennal spine. Pterygostomian margin rounded. Rostrum (Fig. 4 M): bent, short, 0.4 - 0.6 of cl (mean 0.5, n = 16), reaching from the base to slightly beyond the middle of second segment of antennular peduncle, armed with 15 - 22 teeth on dorsal margin (mean 17, n = 16), 0 - 3 of them situated on carapace behind orbital margin (mean 2, n = 16), ventral margin with 2 - 7 teeth (mean 4, n = 16). Cephalic appendages Eyes well developed, anterior end reaching to 0.47 length of basal segment of antennular peduncle. Antennular peduncle 0.50 (♀) - 0.57 (♂) times as long as carapace. Anterolateral angle reaching 0.30 length of the second segment, second segment same length as the third. Stylocerite reaching just before the top of the basal segment of antennular peduncle. Pereiopods Epipods on first four pereiopods. P 1 (Fig. 4 A): chela about 2.1 - 2.5 times as long as wide, movable finger 2.5 - 4.3 times as long as wide, 0.9 - 1.4 times length of palm; carpus 1.8 - 2.5 times as long as wide. P 2 (Fig. 4 B): more slender and longer than P 1 with chela 2.8 - 3.5 times as long as wide; movable finger 3.7 - 5.1 times as long as wide, 1.2 - 1.7 times length of palm; carpus slender 5.9 - 6.9 times as long as wide. P 3 (Fig. 4 C): stout, dactylus (Fig. 4 E) 2.5 - 3.5 times as long as wide (terminal spiniform seta included) with 5 - 8 spiniform setae on flexor margin in addition to the terminal spiniform seta; propodus 7.3 - 10.3 times as long as wide, 3.7 - 5.8 times as long as dactylus. P 5 (Fig. 4 D): dactylus (Fig. 4 F) 3.6 - 5.0 as long as wide with 55 - 90 spiniform setae on flexor margin (mean 68, n = 14); propodus 11.3 - 16.9 times as long as wide, 3.4 - 5.1 times as long as dactylus (mean 4.1, n = 14). Abdomen Third abdominal somite with moderately convex dorsal profile. Sixth abdominal somite about half of carapace length, 1.4 times as long as fifth somite, reaching 0.8 times length of telson. Telson (Fig. 4 G) 2.4 times as long as wide, with 4 - 6 pairs of dorsal spinules and one pair of dorsolateral spinules; posterior margin with a median process. Rounded with 7 - 15 (mean 11, n = 15) very long intermediate plumose setae, longer than lateral ones. Pl 1 (Fig. 4 J) Endopod of male subrectangular, 2.7 times as long as wide, reaching 0.40 times of exopod, with an appendix on the subdistal outer margin which reaches beyond distal end of endopod on a short length. Pl 2 (Fig. 4 K) Appendix masculina on second pleopod reaching 0.55 times length of endopod; appendix interna reaching 0.56 of appendix masculina. Preanal carina (Fig. 4 I) High, unarmed. Uropodal diaeresis (Fig. 4 H) With 17 - 24 spinules. Eggs (Fig. 4 L) 0.46 - 0.49 × 0.27 - 0.39 mm.	en	Mazancourt, Valentin de, Bréthiot, Julien, Marquet, Gérard, Keith, Philippe (2022): West Side Story: A molecular and morphological study of Caridina longicarpus Roux, 1926 (Decapoda, Caridea, Atyidae) from New Caledonia reveals a new species. Zoosystema 44 (18): 463-474, DOI: 10.5252/zoosystema2022v44a18
03E2EE20B87CFFE1FC52F9E5D0AD23F5.taxon	discussion	REMARKS C. occidentalis n. sp. looks like C. parvirostris De Man, 1892 by its downward bent rostrum and its long P 2 carpus 5.9 - 6.9 times as long as wide (vs 6.0 - 7.4 in C. parvirostris) but the rostrum has more teeth 15 - 22 (vs 8 - 10 C. parvirostris). This new species can be separated from C. weberi De Man, 1892 by its rostrum with more teeth 15 - 22 (vs 11 - 15 C. parvirostris) and a longer P 2 carpus 5.9 - 6.9 times as long as wide (vs 4.9 - 5.4 C. parvirostris). C. occidentalis n. sp. occurring in west coast rivers differs from C. longicarpus Roux, 1926, occurring in rivers of the East coast: – by its rostrum: 0.4 - 0.6 of cl, mean 0.5 (vs 0.2 - 0.6, mean 0.39), armed with 15 - 22 teeth on dorsal margin (mean 17), (vs 10 - 24 in C. longicarpus, mean 16), 0 - 3 of them situated on carapace behind orbital margin (mean 2) (vs 0 - 2 of them situated on carapace behind orbital margin, mean 0); – by its P 5 dactylus with 55 - 90 spiniform setae, 63 - 90, mean 68 on flexor margin (vs 27 - 72, 27 - 59, mean 52) and its propodus 3.4 - 5.1 times as long as dactylus, mean 4.1 (vs 4.1 - 5.4, mean 4.5); – by its telson with 7 - 15 (mean 11) very long intermediate setae longer than lateral ones (vs with 5 - 10 in C. longicarpus, (mean 7) very long intermediate setae longer than lateral ones).	en	Mazancourt, Valentin de, Bréthiot, Julien, Marquet, Gérard, Keith, Philippe (2022): West Side Story: A molecular and morphological study of Caridina longicarpus Roux, 1926 (Decapoda, Caridea, Atyidae) from New Caledonia reveals a new species. Zoosystema 44 (18): 463-474, DOI: 10.5252/zoosystema2022v44a18
