Description

Dorsal spines (total): 10 - 17; Dorsal soft rays (total): 11 - 15; Anal soft rays: 12 - 16. Gape width 3.7-6.1% SL; preorbital blotch adjoined to or narrowly separate from anterior orbital rim; and pelvic fins not falcate; cheek scale rows 4-14, modally 11; opercle scale rows 2-13, modally 4; mid-lateral blotches 8-14, modally 10; anal-fin rays 12-16, modally 14; dorsal-fin spines 10-17, modally 14; scales below the lateral line 7-14, modally 9 (Ref. 74948).

Common Names

Taxonomic Hierarchy

Kingdom: Animalia

Phylum: Chordata

Class: Teleostei

Order: Perciformes/Percoidei

Family: Percidae

Genus: Crystallaria

Species: Crystallaria asprella (Jordan, 1878)

Climate Zone

Location

• North America: Mississippi River basin from Ohio to Minnesota and south to southern Mississippi, northern Louisiana and southeastern Oklahoma in the USA; and on Gulf Slope in Escambia, Mobile Bay and Pearl River drainages. Now extirpated from Ohio, Kentucky, Indiana and Illinois.

Biology

Occurs in clean sand and gravel runs of small to medium rivers (Ref. 5723, 10294).

Habitat

demersal

Conservation Status

Vulnerable

Threat to Humans

Harmless