New Zealand Freshwater Fish

DSC_7262 Pouched lamprey (Geotria australis) head of an ammocoete larva measuring 70mm. These filter feeders live buried in the mud for the first four years or so of their life, before transforming into macropthalmia and migrating downstream to the sea. Okuti River, Canterbury *

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DSC_7262 Pouched lamprey (Geotria australis) head of an ammocoete larva measuring 70mm. These filter feeders live buried in the mud for the first four years or so of their life, before transforming into macropthalmia and migrating downstream to the sea. Okuti River, Canterbury *

ammocoete DSC 7262 Pouched lamprey pouched Geotria australis