• Hummer - biologi, fiske og forvaltning 

      van der Meeren, Gro; Uglem, Ingebrigt; Tveite, Stein; Korsøen, Endre; Jørstad, Knut Eirik (Fisken og havet, Research report, 1995)
      The European lobster (Hornarus gammarus) can become very old and a maximum age of 50 years have been suggested. Compared to crabs and spiny lobsters, the fecundity of lobsters is relatively low per hatching. The eggs ...