The description of this species was first formally published in 1862 by William Stimpson under the name Asterias … Meer weergeven

The mottled star is a large starfish with a radius of up to 28 centimetres (11 in). It has a small disc and five long narrow arms often turned up at the tip. The widest point of the arms is a little distance away from the … Meer weergeven

Evasterias troschelii is found on the west coast of North America. Its range extends from Pribilof Islands, Alaska southwards to Monterey Bay, California but it is rarely seen south of Puget Sound. It also occurs in Kam… Meer weergeven

In the north of its range, breeding takes place from April to June. Large numbers of small eggs are produced and fertilisation is external. The bipinnaria larvae that develop from these form part of the zooplankton and disp… Meer weergeven