1. Redescription of Stylactaria conchicola (Yamada, 1947), comb. nov. (Hydrozoa: Hydractiniidae) from Hokkaido, Japan

   • H. Namikawa
   • S. Kubota
   • S. F. Mawatari

   OriginalPaper Pages: 69 - 76

2. Embryology of Chaoborus-induced spines in Daphnia pulex

   • Ken Parejko

   OriginalPaper Pages: 77 - 84

3. Effects of the feeding behavior of Crassostrea gigas (Bivalve Molluscs) on biosedimentation of natural particulate matter

   • Jean-Marc Deslous-Paoli
   • Anne-Marie Lannou
   • Maurice Héral

   OriginalPaper Pages: 85 - 91

4. Photosynthetic performance of deep-water macroalgae (Phaeophyta, Dictyotales) off Bermuda

   • P. Peckol
   • J. Ramus

   OriginalPaper Pages: 93 - 98

5. Limits for the detection of daily otolith increments in whitefish (Coregonus lavaretus L.) larvae

   • Axel Klink
   • Reiner Eckmann

   OriginalPaper Pages: 99 - 105

6. Daytime grazing and assimilation rates of planktonic copepods Acanthodiaptomus denticornis and Cyclops vicinus vicinus. Comparison of spatial and resource utilisation by rotifers and cladoceran communities in a eutrophic lake

   • Nicole Lair

   OriginalPaper Pages: 107 - 117

7. The effect of prey type and density on the foraging efficiency of juvenile perch, (Perca fluviatilis)

   • Andrzej Engelmayer

   OriginalPaper Pages: 119 - 123

8. A note on the synonymy of some Neodiaptomus spp. (Copepoda, Calanoida) of the Indian subcontinent

   • Y. Ranga Reddy
   • P. V. Subba Reddy

   OriginalPaper Pages: 125 - 129

9. A re-description of Macrobrachium handschini (Roux, 1933) (Crustacea: Decapoda: Palaemonidae)

   • A. J. Bruce

   OriginalPaper Pages: 131 - 139