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LTWA's Spring 2008 Newsletter

LTWA's Fall 2007 Newsletter

Water Conservation Tips

LTWA receives grant to survey Spotfin Chub, Fall 2006

Through a collaborative proposal with the Land Trust for the Little Tennessee, LTWA was recently awarded a grant from the National Fish and Wildlife Foundation to survey the Federally Threatened spotfin chub (Erimonax Monacha). The spotfin chub is found below Lake Emory dam and was unknown to exist in tributaries until Dr. Bill Mclarney's discoveries. Dr. Mclarney has documented fall migrations in the past, but nothing is currently known as to why these migrations occur. Also, unknown is the reach of their migrations up the tributaries and in what numbers the migrations occur. Dr. Mclarney's work will strive to advance our knowledge of the fall distribution and migrations of this rare species within the Little Tennessee watershed.

The spotfin chub was once widely distributed within the Tennessee River system, and is now restricted to only four river systems in the Tennessee River valley. However, it is has been documented historically within twelve river systems. Habitat loss, due mainly to impoundments of free flowing rivers, along with sedimentation and pollution are the equally responsible reasons for its decline. The spotfin needs clear water over gravel, boulders, and bedrock in large creeks and medium-sized rivers that have moderate currents. It is sensitive to sediment and the species appears to avoid silty areas. The spotfin feeds by sight and taste on tiny insect larvae that occur on the stream bottom.

There are spotfin chub recovery efforts and spotfin chubs collected from the Little Tennessee River have been released into Abrams Creek in the Great Smoky Mountains National Park, in an attempt to reestablish one of the lost populations. Other streams are being considered for possible reintroductions. An important and essential component to the recovery program is the captive breeding program being accomplished by Conservation Fisheries.

We are fortunate to have a scientist living in the watershed with an interest in this species. Following Bill's survey, the scientific world will have a better understanding of this sensitive and rare species. If you are interested in learning more about the survey, or volunteering in the fall, email us.