[
[1] Aliani, S. & Molcard A. (2003). Hitch-hiking on floating marine debris: macrobenthic species in the Western Mediterranean Sea. Hydrobiologia, 503, 59–67. DOI:10.1023/B:HYDR.0000008480.95045.26. http://dx.doi.org/10.1023/B:HYDR.0000008480.95045.2610.1023/B:HYDR.0000008480.95045.26
]Search in Google Scholar
[
[2] Costello, D.P. & Henley C. (1971). Methods for obtaining and handling marine eggs and embryos. Woods Hole, MA: Marine Biological Laboratory. http://dx.doi.org/10.1575/1912/29510.1575/1912/295
]Search in Google Scholar
[
[3] Demel, K. (1962). Syngnathidae. In M. Gąsowska (Ed.), Klucze do oznaczania kręgowców Polski. Cyclostomi et Pisces, (pp. 153–156). Warszawa: PWN (in Polish).
]Search in Google Scholar
[
[4] Demel, K. (1967). Nasz Bałtyk. Warszawa: Wiedza Powszechna, (in Polish).
]Search in Google Scholar
[
[5] Dziubińska, A. & Janas, U. (2007). Submerged objects — a nice place to live and develop. Succession of fouling communities in the Gulf of Gdańsk, Southern Baltic. Oceanol. Hydrobiol. St., 36, 65–78. DOI:10.2478/v10009-007-0026-1. 10.2478/v10009-007-0026-1
]Search in Google Scholar
[
[6] Hayward, P.J. & Ryland J.S. (1996). Handbook of the Marine Fauna of North-West Europe. Oxford: Oxford University Press.
]Search in Google Scholar
[
[7] Kosevich, I.A. (2006). Branching in colonial hydroids. In J. Davies (Ed.) Molecular Biology Intelligence Unit. Branching morphogenesis (pp. 91–107). Edinburg, Scotland, UK: Eurekah.com and Springer Science+Business Media, Inc.
]Search in Google Scholar
[
[8] Margoński, P. (1994). Some aspects of straight-nosed (Nerophis ophidion L.) and broad-nosed (Syngnathus typhle L.) pipefish biology in the Gulf of Gdańsk. Zesz. Nauk. UG Oceanografia. 13, 39–59 (in Polish).
]Search in Google Scholar
[
[9] Puce, S., Cerrano, C., Di Camillo C.G. & Bavestrello G. (2008). Hydroidomedusae (Cnidaria: Hydrozoa) symbiotic radiation. J. Mar. Biol. Assoc. UK. 88(8), 1715–1721. DOI:10.1017/S0025315408002233. http://dx.doi.org/10.1017/S002531540800223310.1017/S0025315408002233
]Search in Google Scholar
[
[10] Slobodov, S.A. & Marfenin N.N. (2005). The features of reproduction of Obelia spp. in the White Sea. Oceanology, 45(1), 69–75.
]Search in Google Scholar
[
[11] Theede, H., Scholz N. & Fischer H. (1979). Temperature and salinity effects on the acute toxicity of cadmium to Laomedea loveni (Hydrozoa). Mar. Ecol. Prog. Ser. 1, 13–19. http://dx.doi.org/10.3354/meps00101310.3354/meps001013
]Search in Google Scholar
[
[12] Vervoort, W. (1946). Hydrozoa (C 1) A. Hydropoliepen, Aflevering 14. Fauna van Nederland (in German).
]Search in Google Scholar
[
[13] Vincent, A.C.J., Berglund A. & Ahnesjo I. (1995). Reproductive ecology of five pipefish species in one eelgrass meadow. Environ. Biol. Fish. 44, 347–361. DOI:10.1007/BF00008250. http://dx.doi.org/10.1007/BF0000825010.1007/BF00008250
]Search in Google Scholar
[
[14] Żmudziński, L. (1974). Zwierzęcy świat Bałtyku. Warszawa: Wydawnictwa Szkolne i Pedagogiczne (in Polish).
]Search in Google Scholar