Ichthyomyzon castaneus Girard, 1858
Family: Petromyzontidae (Lampreys) , subfamily: Petromyzontinae picture (Iccas_u3.jpg) by The Native Fish Conservancy
Map
Order: Petromyzontiformes (lampreys)
Class: Cephalaspidomorphi (lampreys)
FishBase name: Chestnut lamprey
Max. size: 38.0 cm TL (male/unsexed; Ref. 5723); max. reported age: 8 years
Environment: demersal; freshwater
Climate: subtropical; 50°N - 29°N
Importance:
Resilience: Low, minimum population doubling time 4.5 - 14 years (tm=8)
Distribution:
Gazetteer North America: Hudson Bay, Laurentian Great Lakes and Gulf of Mexico basins.
Biology: Inhabits lakes and streams. Adults ascend streams to spawn and die soon after egg laying is completed (Ref. 1998). Ammocoete larvae occur in sand-bottomed and silt-bottomed pools and backwaters. Parasitic.