..................................................................................................................................... 6 Abstrakt (in Czech) .................................................................................................................... 7 Outline of publications and a manuscript................................................................................... 8 1. General introduction to symbiotic shrimps .......................................................................... 12 1.1 Palaemonidae ................................................................................................................. 13 1.2 Alpheidae ....................................................................................................................... 14 1.3 Pandalidae ...................................................................................................................... 16 1.4 Thoridae ......................................................................................................................... 17 1.5 Lysmatidae ..................................................................................................................... 17 2. Systematics of Palaemonidae ............................................................................................... 18 3. General morphology of palaemonid shrimps ....................................................................... 19 4. Symbioses in palaemonid shrimps ....................................................................................... 21 4.1 Sponge-dwelling shrimps ............................................................................................... 22 4.2 Cnidarian-associated shrimps......................................................................................... 23 4.3 Mollusc-associated shrimps ........................................................................................... 24 4.4 Ascidian-associated shrimps .......................................................................................... 26 4.5 Echinoderm-associated shrimps ..................................................................................... 27 4.6 Fish-cleaning symbioses ................................................................................................ 29 4.7 Host-switching in pontoniine shrimps............................................................................ 30 Conclusions .............................................................................................................................. 32 References ................................................................................................................................ 33 Attached publications and a manuscript................................................................................... 40 ATTACHED PUBLICATIONS AND A MANUSCRIPT Part 1: Phylogeny and ecology of palaemonid shrimps 1. Horká I., De Grave S., Fransen C.H.J.M., Petrusek A., Ďuriš Z., 2016. Multiple host switching events shape the evolution of symbiotic palaemonid shrimps (Crustacea: Decapoda). Scientific Reports 6: 26486. 2. Horká I., De Grave S., Fransen C.H.J.M., Petrusek A., Ďuriš Z., Remarkable parallelism in evolution of the fish-cleaning phenomenon of anemone associated palaemonid shrimps. (manuscript) 3. Ďuriš Z., Horká I., Juračka P. J., Petrusek A., Sandford F., 2011. These squatters are not innocent: The evidence of parasitism in sponge-inhabiting shrimps. PLoS ONE 6(7): e21987. Part 2: Contributions to systematics of caridean shrimps 4. Horká I., Fransen C.H.J.M., Ďuriš Z., 2016. Two new species of shrimp of the Indo-West Pacific genus Hamodactylus Holthuis, 1952 (Crustacea: Decapoda: Palaemonidae). European Journal of Taxonomy 118: 1–26. 5. Ďuriš Z., Horká I., 2016. Salmoneus chadwickae, a new alpheid shrimp (Crustacea: Decapoda: Alpheidae) from the Red Sea, with remarks on related or regional congeners. Marine Biodiversity 10.1007/s12526-015-0427-4. 6. Horká I., De Grave S., Ďuriš Z., 2014. A new species of shrimp of the genus Anachlorocurtis Hayashi, 1975 from the Red Sea, with range extension of A. commensalis Hayashi, 1975 (Crustacea, Decapoda, Pandalidae). Zookeys 407: 9–28. 7. Ďuriš Z., Horká I., Al-Horani F., 2011. Periclimenaeus echinimanus sp. nov. (Crustacea: Decapoda: Pontoniinae), a new species from the Gulf of Aqaba, Red Sea. Zootaxa 2983: 57–68. 8. Ďuriš Z., Horká I., Sandford F., 2009. Periclimenaeus pectinidactylus n. sp. (Crustacea: Decapoda: Pontoniinae) from the Belizean Barrier Reef, Caribbean Sea. Zootaxa 2130: 31–40. 9. Ďuriš Z., Horká I., Hoc D.T., 2009. Periclimenaeus nufu, a new species of shrimp (Crustacea: Decapoda: Pontoniinae) from Vietnam. Raffles Bulletin of Zoology 57: 453–464.