Decapoda - Brachyura - Portunidae - Laleonectes

Laleonectes nipponensis (Sakai, 1938)



World Distribution
Crosnier & Moosa (2002 : 395) - Indo-ouest Pacifique. Comprend, Réunion (250 m), Philippine (15-25 m), Japon, Polynésie française (110-130 m). - Boyko & Liguori (2014, Pac. Sc.) - Indonesia, Japan [type locality of Neptunus (Hellenus) nipponensis], Hawai‘i (type locality of Portunus oahuensis), French Polynesia, Réunion, Philippines (Crosnier and Moosa 2002), Easter Island.

Environnement : Marine - Substrat/Association : Hard bottom (rock and rubbles)

Vertical range : Shallow to deep-waters (e.g. 10-190 m) - Min-Max observed: 15-250 m

Mayotte data
Laleonectes nipponensis - Mission KUW novembre 2009, st. 23, Passe Choizil, "Patate à Teddy", 15-30 m, 1 mâle jeune 10,5x21,2 mm (avec les épines), voir commentaire, MNHN B32501.

Réunion data
Portunus nipponensis - Crosnier & Thomassin, 1974 : 1106 (Réunion, coll. P. Guézé, nord de la Possession décembre 1972, casier 250 m, MNHN). - Crosnier, 1976 : 250 (Réunion, d'après Crosnier & Thomassin, 1974). - Laleonectes nipponensis - Crosnier & Moosa, 2002 : 395 (Distribution et comparaison avec L. stridens de Polynésie).

New Caledonia data
Corail 2 Nouvelle Caledonie, CP124 — Moosa MK.

Central Pacific data (Wallis & Futuna, Polynesia, Clipperton, Easter Island)
EASTER ISLAND - Laleonectes nipponensis - Boyko & Liguori, 2014: 568, Pac. Sc., Easter Island: usnm 1226913, 1 male (20.0 by 11.8 mm), Ahu Tepeu dock, 15.24 m depth, coll. H. Tonnemacher, 29 August 1999. usnm 1226912, 1 male (67.8 by 34.0 mm), Hanga Oteo, in cave, 12.19 m depth, coll. H. Tonnemacher, 26 August 1999.
FRENCH POLYNESIA - Portunus nipponensis - Poupin et al. 1990: 17 (French Polynesia; pro parte, some specimens are Laleonectes stridens). - Poupin, 1996a: 32, 98 (Checklist); 1996b: 36, pl. 17b (Moruroa; 130m). - Portunus sp. Nov. Cf. nipponensis - Poupin, 1996b: 36, in part pl. 17c only (specimen illustrated is from Rapa I, 110 m, and belongs to L. nipponensis; specimens indicated at localities p. 36 belong to L. stridens Crosnier & Moosa, 2002)). - Laleonectes nipponensis - Crosnier & Moosa, 2002: 390, 395 (Austral & Tuamotu, Moruroa, 110-130 m; coll. Frv Marara, fr). - Remark: Usually found in shallow waters (15-50m) but trapped to 130m in French Polynesia. - Laleonectes aff. Nipponenis - AAMP, Marquesas, 2012, Leg 3, St. MQ2-R, Nuku Hiva, 20-23 m, coll. Starmer et al., sample LC423, St. MQ19-B, Hiva Oa, 10-25 m, coll. Albenga et al., sample LC228. pre-det Poupin (check if stridulating apparatus is present and pleopod; chelae similar but front different ; L. nipponensis is in Hawaii under L. oahuensis (Edmonson, 1954), a synonym).

References : PDF list, 214 pp (1.4 Mo)

This species in Worms Database