Directory of Fish : Fish Dictionary - reference guide to Brook Stickleback
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Facts about Brook Stickleback
COMMON NAME: Brook stickleback
SCIENTIFIC NAME: Culaea inconstans
IDENTIFICATION: This species is easily identified by four completely separated dorsal spines. This is the only fish in Ohio with separated dorsal spines. Each pectoral fin also has a stout spine. In addition, it is a small fish and is scaleless.
RANGE AND HABITAT: The brook stickleback is native to the glaciated portions of Ohio, especially northeastern Ohio. They prefer cold and very clear water with submerged vegetation. This species is tolerant of high alkalinity and acidic water, but is very intolerant of turbidity.
LIFE HISTORY: Brook stickleback spawn from late April to Mid-June when water temperatures range from 4.5 to 21 C. The males select and defend territories in which to build their nests. Females then lay up to 250 adhesive eggs. Stickleback usually become sexually mature at age one, and most do not live past age two. Adult fish eat insects, crustacea, snails, fish eggs and algae.
ADULT SIZE: Brook stickleback average between 1.5 and 2.7 inches in length.
FISHING METHODS: Due to its small size, anglers do not target this species.
Source: courtesy Ohio DNR
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