New Zealand Freshwater Fish

DSC_9691 Pouched lamprey (Geotria australis) migratory adult freshly returned from the sea. This animal may spend up to 16 months in freshwater before spawning. As a sexually mature adult it will turn brown in colour, and if it is a male, it will develop a pouch. Niagra River, Catlins *

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DSC_9691 Pouched lamprey (Geotria australis) migratory adult freshly returned from the sea. This animal may spend up to 16 months in freshwater before spawning. As a sexually mature adult it will turn brown in colour, and if it is a male, it will develop a pouch. Niagra River, Catlins *

9691 migratory lamprey geotria australis male sucking disk Niagra River Catlins