IUCN threat status:

Vulnerable (VU)

Comprehensive Description

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Biology

Inhabits freshwater streams, a non-parasitic lamprey that spends its entire life cycle in freshwater. Ammocoetes burrow in soft substrates, phase lasts about 3 years; metamorphosis usually occurs between October and November. Presumed to migrate upstream around April, and spawns in late winter or spring (Ref. 44894). Fecundity, 326-675eggs/female (Ref. 89241).

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Source: FishBase

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