Figure 1
Records of spiny-cheek crayfish in the Polish coastal zone of the Baltic Sea in 2002-2014 based on the literature data and personal communications (for details see text)
Table 1
Maximum total lengths of spiny-cheek crayfish in Polish and other waters
| Locality | Maximum length (mm) | Author |
|---|---|---|
| Vistula Lagoon (Poland) | 118.0 | Author’s own study |
| Lakes in Pomerania (Poland) | 109.5 | Śmietana 2013 |
| Lakes in Western Pomerania (Poland) | 100.2 | Śmietana 2008 |
| Lakes in Warmia (Poland) | 110.0 | Kossakowski 1966 |
| Lake Pobłędzie (northern Poland) | 107.0 | Krzywosz et al. 2006 |
| Poland | 121 | Chybowski 2000 |
| lentic waters (Czech Republic) | 116.5 | Ďuriš et al. 2006 |
| Central lakes (Germany) | 107.0 | Lieder 1959, after Śmietana 2013 |
| North-eastern lakes (Germany) | 110.0 | Pieplow 1938 |
| Delaware River (USA) | 110.0 | Holdich & Black 2007 |
| Lakes in New England (USA) | 109.0 | Momot 1984 |
Figure 2
Food preferences of Orconectes limosus in experimental conditions based on four selected food sources (based on Staszak & Szaniawska 2006)
Figure 3
Osmotic concentrations of Orconectes limosus at different salinities (based on Michalowska et al. 2002)
Figure 4
Carapace length (CL), total body length (TL) and wet weight (w.w.) for five groups of juvenile (one-month old) crayfish from 3 PSU and 7 PSU (based on Jaszczołt & Szaniawska 2011)
Figure 5
Frequencies of increase in carapace length of juvenile crayfish at salinities of 3 PSU and 7 PSU in the different length classes (based on Jaszczołt & Szaniawska 2011)