Definition

Noun A variety of the walleye (Sander vitreus), a freshwater perciform fish, specifically inhabiting the Great Lakes region.

Usage

This is a scientific name used in zoological and ichthyological contexts to specify a particular regional variety of the walleye fish. It is not used in everyday conversation.

Examples

• The study focused on the population decline of in Lake Erie.
• is distinguished by its bluish sheen, which is reflected in the common name "blue walleye."

Advanced Usage

• The term is a trinomial name (genus, species, subspecies/variety) following the conventions of biological taxonomy. The final epithet, "," often denotes a bluish or grayish coloration.

Variants and Related Words

• Walleye (): The common name for the species.
• Blue walleye: A historical common name for this variety, now largely considered extinct in the wild.
• Sander vitreus glaucus: A modern taxonomic synonym sometimes used for this variety.

Synonyms

• Blue pike
• Blue walleye
• Blue pikeperch

Notes on Meaning

This term refers specifically to a population or morphological variant of walleye historically native to the Great Lakes, now considered extinct or extremely rare. It is not a synonym for the common walleye found elsewhere.

Noun

1. variety inhabiting the Great Lakes