Decapoda - Brachyura - Portunidae - Trionectes

Trionectes mariei (Guinot, 1957)

5 Illustration(s)

World Distribution
MASEA (Internet) - Madagascar, Mayotte. Also New Caledonia.

Environnement : Marine - Substrat/Association : Soft bottom (mud or sand)

Vertical range : Shallow-waters (0-100 m) - Min-Max observed: 15-60 m

Mayotte data
Portunus mariei Guinot, 1957
Material examined — Mayotte KUW 2009, st. 7, Kongo, 'cardinal' buoy, traps 32 m, 2 MM 13.8 x 30.8 mm (photo) and 16.3 x 36.3 mm (with lateral spines), MNHN B32492, MNHN-IU-2009-1254; st. 12b-c, Prévoyante reef at night, 6-12 m, 1 M 16.4 x 34 mm (to tip of spines, that are broken) photo, MNHN B32491, MNHN-IU-2009-1253, 1 juv. 7.7 x 11.9 (20 with lateral spines) mm, MNHN B32518, MNHN-IU-2009-1278, 1 M 16.5 x 23 mm (without lateral spines, photo), 1 F 14.5 x 21 mm (without lateral spines, photo), MNHN B32494, MNHN-IU-2009-1256.
Other records — Portunus (Hellenus) mariei Guinot, 1957: 476, Mayotte, 1 M 25 x 10 mm, branchial spine 5 mm, MNHN. - Crosnier, 1962: 61, Mayotte. - Guinot, 1967: 258, list with Mayotte, Madagascar.
Remarks — A species of the P. longispimanus complex (see under P. cf. longispinosus) with front 3-toothed and lateral spine of carapace very long.
Geographic and depth ranges — IWP, Mayotte to New Caledonia; subtidal to 60 m.

New Caledonia data
Chalcal 1 Nouvelle Caledonie, CP15 — Moosa MK.
Lagon 12 Nouvelle Caledonie, DW1012 — Moosa MK.

Comment(s) on data
Sub genus Xiphonectes elevated to generic rank (WoRMS, March 2020)
New genera from Kock et al. (2023, Zoological Journal of the Linnean Society,197, 127–175).

References : PDF list, 214 pp (1.4 Mo)

This species in Worms Database