Working Document Series Open Access Recruitment pattern and abundance of the black tiger shrimp in Andoni River System, Niger Delta region of Nigeria A. Francis · G. W. Komi The investigation on the recruitment pattern and catch per unit effort of the black tiger shrimp(Penaeus monodon) was conducted over the period of twelve months in Andoni River System, Niger Delta region of Nigeria. Total weight, length of… RUF-37080 2016 CC BY 4.0 19 Sep 2017