The CCA ordination of hydrobionts species from Nizhnyaya Shakuranskaya Cave. Black points – stygobionts, blue points – stygophiles, green points – stygoxenes. Abbreviations: A gut – A. guttatus, B gem – B. gemellus, C hor – C. horatieformis, C schak – C. schakuranica, C shad – C. shadini, C sp – Caucasopsis sp., Ch abch – C. abchazica, Cn sp – Cnetha sp., E sp – Elmis sp., D sub – D. submaculata, D tau – D. taurocaucasica, Dend sp – Dendrocoelum sp., E ljov – E. cf. ljovuschkini, Es sp – Eisenia sp., E palp – E. palpatus, E zimm – E. zimmermanni, G kom – G. cf. komareki, H gor – H. gordioides, H sang – H. sanguisuga, L col – L. colchicus, L inc – L. incanus, L sp – Leuctra sp., M sp – Macropelopia sp., N abl – N. cf. ablaskiri, N iner – N. inermis, N magn – N. magnus, N mart – N. martynovia, O sp – Odeles sp., P birst – P. birsteini, P lat – P. latissima, Par sp – Parametriocnemus sp., P wern – P. werneri, R som – R. somcheticus, Rh sp – Rhynchelmis sp., S cach – S. cachetica, S clav – S. clavatus, Sty sp – Stylodrilus sp., T cauc – T. caucasica, T valv – T. valvatus, X falc – X. falcirostris, X ost – X. osterloffi, Z yak – Z. yakovi.