Swedish Critically Endangered Species Part 4 : Spiny Dogfish / Pigghaj

By Garry Rogers @Garry_Rogers

See on Scoop.it – Garry Rogers Nature Conservation News (#EcoSciFi)

Spiny dogfish biology Said to be the most abundant living shark, the spiny dogfish is a slow, inactive swimmer and forms massive feeding aggregations of thousands of individuals. Tending to be same…

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