TY - GEN AU - Wilkens,H TI - [The rudimentation of the lateral canal of cavernicolous Astyanax populations (Characidae, Pisces) (author's transl)] SN - 0014-4754 PY - 1977///0718 KW - Adaptation, Physiological KW - Animals KW - Biological Evolution KW - Darkness KW - Fishes KW - physiology KW - Ocular Physiological Phenomena KW - Pigments, Biological N1 - Publication Type: English Abstract; Journal Article UR - https://doi.org/10.1007/BF01946524 ER -