Tiny Titans of the Stream: Missouri’s Crayfish

Presentation by Bob DiStefano

Bob DiStefano led a deep dive into crayfish life history and the efforts to protect this important Missouri species.  

Published: April 9, 2024

Presentation by Bob DiStefano

Original presentation took place on April 9th, 2024 in Columbia, MO

  • Click here to view or download Bob’s presentation as a PDF

Crayfish, crawdads, mud bugs, crawly bottoms…whatever you call them, there’s no denying the huge role these tiny crustaceans play in Missouri’s waterways. Bob DiStefano shared some of his knowledge and insight into crayfish garnered over a decades-long career. A true crayfish champion and enthusiast, Bob engaged the audience on a fascinating and entertaining journey into crayfish life history and conservation efforts.

Bob DiStefano is a Resource Scientist (Retiring) for the Missouri Department of Conservation. When DiStefano began this work in 1990, only about 25 crayfish species were known to live in Missouri. Bob is highly regarded as a leader in the international crayfish research community because of his efforts and involvement in crayfish conservation.

Bob DiStefano (center) accepting the Conservation Federation of Missouri’s Outstanding Lifetime Achievement Award

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The views and opinions expressed by our presenters do not necessarily reflect the view or policies of Missouri River Relief, the Big Muddy Speaker Series or any of the partners that support this public forum. The Big Muddy Speaker Series believes that hearing diverse perspectives is a crucial building block for an informed public.


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