. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum . OF TWO NEW SPECIES by TRIS WOOLDRIDGEDept of Zoology, Box 1600, University of Port Elizabeth, South Africa & JAN MEES Flanders Marine Institute, Vismijn, Pakhuizen 45-52, B-8400 Oostende, Belgium (With 7 figs & 1 table)[MS accepted 7 September 2003] ABSTRACT Five species of Anisomysis were collected from a coral reef flat on Grande Comore, Western IndianOcean. Anisomysis hanseni ~Nouve\, 1961, A. marisrubri Bacescu, 1913a and A. vasseuri Ledoyer, 1974represent new distribution records for the three species. Two new
. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum . OF TWO NEW SPECIES by TRIS WOOLDRIDGEDept of Zoology, Box 1600, University of Port Elizabeth, South Africa & JAN MEES Flanders Marine Institute, Vismijn, Pakhuizen 45-52, B-8400 Oostende, Belgium (With 7 figs & 1 table)[MS accepted 7 September 2003] ABSTRACT Five species of Anisomysis were collected from a coral reef flat on Grande Comore, Western IndianOcean. Anisomysis hanseni ~Nouve\, 1961, A. marisrubri Bacescu, 1913a and A. vasseuri Ledoyer, 1974represent new distribution records for the three species. Two new species are described. Anisomysisunispinosa sp. nov. is distinguished by the presence of a single spine at the distal end of the telsonic lobesof the deeply cleft telson. Anisomysis comorensis sp. nov. is distinguished by the truncate distal borderof the telson and its armature. CONTENTS PAGE Introduction .91 Description of material 91 Acknowledgements 101 References 102 Ann. S. Afr. Mus. 112 (4), 2004:89-102, 7 figs, 1 table 89 90 ANNALS OF THE SOUTH AFRICAN MUSEUM. Figure 1 Anisomysis unispinosa sp. nov. Adult male: (A) anterior part of body and carapace in dorsal view. (B) antennule. (C) antenna. (D) mandible. (E) first thoracic limb. MYSIDACEA FROM THE COMOROS ARCHIPELAGO 91 INTRODUCTION The Comoros group of four main islands lies approximately equidistant from theAfrican mainland and Madagascar in the northern sector of the Mozambique Comore is the largest (950 km2) of these volcanic islands. Although fringing coralreefs line about 60% of the 170 km perimeter of Grande Comore, reefs are small anddiscontinuous (Quod et al. 2000). No mysids are currently known from this archipelago. The present paper describes twonew species of Anisomysis from Le Galawa coral reef flat (water depth 4-5 m at high tide)at the northern tip of Grande Comore (Njazidja). Anisomysis marisrubri Bacescu, 1973a,A. hanseni Nouvel, 1967 and A. vasseuri Ledoyer, 1974 were also common in sa
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