Non-parasitic lamprey (Mordacia praecox) fish profile and information / pictures of Non-parasitic lamprey - Mordacia praecox

Non-parasitic lamprey (Mordacia praecox) fish profile

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Scientific Name Mordacia praecox
Classified By Potter, 1968
Common Name Non-parasitic lamprey
Class Lampreys (Cephalaspidomorphi)
Order Lampreys (Petromyzontiformes)
Family Lampreys (Petromyzontidae)
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.
Climate Temperate
Water Temperature From - Celcius Unknown °C
Water Temperature To - Celcius Unknown °C
Depth From - meters Unknown m
Depth To - meters Unknown m
Zone demersal
Distribution Oceania: known only from the Moruya and Tuross Rivers in southern New South Wales, Australia.
Region Oceania
Range Unknown
Maximum Length 50.0 cm
Common Length Unknown cm
Environment Freshwater; demersal; potamodromous
Vulnerability High to very high vulnerability (71 of 100)
Resilience Very Low, minimum population doubling time more than 14 years (Preliminary K or Fecundity.)
Threat To Humans Harmless
IUCN Red List Status Vulnerable (VU)(D2)
Human Uses Unknown
Phylogenetic Diversity Index PD50 = 0.6250 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)
Trophic Level 4.49 s.e. 0.81 Based on size and trophs of closest relatives
Is kept in Aquariums False
Occurs in Marine / Salt water False
Occurs in Brackish water False
Occurs in Fresh Water True
Occurs on Reefs False