Volume 56

Part 1. Reflections on early ontogeny and metamorphosis Features of transition from larva to juvenile in fishes with different types of early ontogeny, by D.A. Pavlov . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41–52 Thyroxine as a mediator of metamorphosis of Atlantic halibut, Hippoglossus hippoglossus, by J.S. Solbakken, B. Norberg, K. Watanabe & K. Pittman . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53–65 Early development of the sofie, Chondrostoma toxostoma, by R.E. Gozlan, G.H. Copp & J.-N. Tourenq . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67–77 The reproductive biology and early ontogeny of the mouthbrooding banggai cardinalfish, Pterapogon kauderni (Perciformes, Apogonidae), by A. Vagelli . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79–92 The onset of the juvenile period in carp, Cyprinus carpio: a literature survey, by L. Vilizzi & K.F. Walker . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93–102