atic , ▁with ▁car n iv orous ▁di ets ▁and ▁similar ▁rip arian ▁habit ats . ▁ ▁Status ▁R . ▁mex ican us ▁has ▁a ▁total ▁area ▁of ▁occup ancy ▁of ▁less ▁than ▁, ▁and ▁within ▁this ▁distribution , ▁it ▁seems ▁to ▁have ▁a ▁fragment ed ▁range , ▁being ▁known ▁from ▁only ▁four ▁locations . ▁It ▁has ▁a ▁habitat ▁requirement ▁for ▁pure , ▁un p oll uted ▁water , ▁and ▁the ▁quality ▁and ▁quantity ▁of ▁suitable ▁habitat ▁is ▁decl ining . ▁This ▁habitat ▁is ▁under ▁threat ▁from ▁def or est ation ▁and ▁from ▁water ▁poll ution , ▁including ▁from ▁such ▁human ▁activities ▁as ▁household ▁clothes - w ash ing . ▁As ▁a ▁result ▁of ▁these ▁thre ats , ▁the ▁International ▁Union ▁for ▁Conserv ation ▁of ▁Nature ▁has ▁listed ▁the ▁conservation ▁status ▁of ▁this ▁mouse ▁as ▁" end anger ed ". ▁ ▁References ▁ ▁Category : M amm als ▁of ▁Mexico ▁Category : End em ic ▁fa una ▁of ▁Mexico ▁Mexican ▁water ▁mouse ▁Category : M amm als ▁described ▁in ▁ 1 9 5 9 ▁Category : T ax onomy ▁articles ▁created ▁by ▁Pol bot <0x0A> </s> ▁Abraham ▁Alexander ▁Rib ico ff ▁( A pril ▁ 9 , ▁ 1 9 1 0   – ▁February ▁ 2 2 , ▁ 1 9 9 8 ) ▁was ▁an ▁American ▁Democratic ▁Party ▁politician . ▁He ▁served ▁as ▁a ▁United ▁States ▁Senator , ▁as ▁the ▁ 8 0 th ▁Governor ▁of ▁Connecticut ▁and ▁as ▁President ▁John ▁F . ▁Kennedy ' s ▁Secretary ▁of ▁Health , ▁Education