1. Impact of climate change on the relict tropical fish fauna of central Sahara : threat for the survival of Adrar mountains fishes, Mauritania / Sb̌astien Trape -- 2. Selection of reference genes for expression studies with fish myogenic cell cultures / Neil I. Bower and Ian A. Johnston -- 3. Comparative chromosome mapping of repetitive sequences : implications for genomic evolution in the fish, Hoplias malabaricus / Marcelo B. Cioffi, Cesar Martins and Luiz A.C. Bertollo -- 4. Communities of gastrointestinal helminths of fish in historically connected habitats : habitat fragmentation effect in a carnivorous catfish Pelteobagrus fulvidraco from seven lakes in flood plain of the Yangtze River, China / Wen X. Li ... [et al.] -- 5. Theoretical analysis of pre-receptor image conditioning in weakly electric fish / Adriana Migliaro, Angel A. Caputi and Ruben Budelli -- 6. Defining global neuroendocrine gene expression patterns associated with reproductive seasonality in fish / Dapeng Zhang ... [et al.] -- 7. Assortative mating among Lake Malawi cichlid fish populations is not simply predictable from male nuptial color / Jonatan Blais ... [et al.] -- 8. Hibernation in an Antarctic fish : on ice for winter / Hamish A. Campbell ... [et al.] -- 9. Evolutionary history of the fish genus Astyanax Baird & Girard (1854) (Actinopterygii, Characidae) in Mesoamerica reveals multiple morphological homoplasies / Claudia Patricia Ornelas-Garca̕, Omar Domn̕guez-Domn̕guez and Ignacio Doadrio -- 10. Temperature-dependent sex determination in fish revisited : prevalence, a single sex ratio response pattern, and possible effects of climate change / Natalia Ospina-ℓlvarez and Francesc Piferrer -- 11. Red fluorescence in reef fish : a novel signalling mechanism? / Nico K. Michiels -- 12. The molecular basis of color vision in colorful fish : four long wave-sensitive (LWS) opsins in guppies (Poecilia reticulata) are defined by amino acid substitutions at key functional sites / Matthew N. Ward ... [et al.] -- 13. Plasticity of electric organ discharge waveform in the South African bulldog fish, Marcusenius pongolensis : tradeoff between male attractiveness and predator avoidance? / Susanne Hanika and Bernd Kramer -- 14. A fish eye out of water : ten visual opsins in the four-eyed fish, Anableps anableps / Gregory L. Owens ... [et al.] -- 15. Lateral transfer of a lectin-like antifreeze protein gene in fishes / Laurie A. Graham ... [et al.] -- 16. Use of number by fish / Christian Agrillo ... [et al.].