Hongo pie de liebre. Coprinopsis lagopus??
Pata de liebre
libérame de mis pecados
al hincarme para verte
con la tentación
de comerte…
Growing on submerged wood in the Allegheny River downstream of the Kinzua Dam. Found by @dariene0127.
Living in isolation for 3 months, nothing else in the terrarium is affected.