A type of spermatogenesis maturation arrest in which the block of developmental occurs in the spermatocyte stage. Testicular histology shows seminiferous tubules with Sertoli cells, spermatogonial cells and spermatocytes but no further differentiated cells like round spermatids. The phenotype is Human Phenotype Ontology term HP_0031039 (Spermatocyte maturation arrest). Also known as: Spermatocyte arrest, Spermatocyte meiotic arrest, Spermatocytic arrest.