Pallid Sturgeon Identification Guide
Identify a Pallid Sturgeon by its pale coloring, long slender snout, and inner barbels much longer than outer ones.
Read the full Pallid Sturgeon encyclopedia entry →
Key identification features
- Pale, washed-out gray to tan coloration, lighter than most related sturgeons
- Long, narrow, flattened snout, slimmer than the Shovelnose Sturgeon's
- Inner pair of barbels distinctly longer than the outer pair, a key diagnostic feature
- Larger overall size than Shovelnose Sturgeon, reaching up to 6 feet
- Thread-like filament trailing from the upper tail lobe
- Reduced or absent scutes on the belly compared to more heavily armored sturgeons
Common look-alikes
- Shovelnose Sturgeon: darker, browner body with barbels closer to equal length, versus the Pallid Sturgeon's pale color and clearly longer inner barbels.
- Lake Sturgeon: much larger and rounder-bodied with a blunt conical snout, lacking the Pallid Sturgeon's slender, flattened, shovel-like snout.
- Hybrid Shovelnose-Pallid Sturgeon: increasingly common where ranges overlap, showing intermediate coloring and barbel proportions that can require close inspection to sort out.
Where you'll see one
Pallid Sturgeon are found in the large, turbid channels of the Missouri and lower Mississippi rivers, favoring deep water with strong current and shifting sand or gravel substrate. The species is federally endangered in the United States, and habitat alteration from dams and channelization has sharply reduced its range.
Frequently asked questions
How do I tell a Pallid Sturgeon from a Shovelnose Sturgeon?
Compare barbel length and body color: Pallid Sturgeon have inner barbels noticeably longer than the outer pair and a pale, washed-out body, while Shovelnose Sturgeon barbels are more even in length and the body is darker brown.
What if a sturgeon looks like it's between a Pallid and Shovelnose Sturgeon?
That's a known issue, since the two species hybridize where their ranges overlap in the Missouri and Mississippi rivers, producing fish with intermediate barbel length and coloring that can be hard to classify by eye alone.