The merle gene also plays a part in producing harlequin Great Danes and Beaucerons. Underneath Pierrot's loose garb is that of the slimmer-fitting Harlequin. Lynx travels with Harle, a mysterious, playful girl dressed like a harlequin. This is the same toxin found in pufferfish and harlequin frogs. Stephens was an editor for Harlequin, Dell (Candlelight Romances), and Bantam. Species as diverse as sea otters, harlequin ducks and orcas suffered immediate and long-term losses. The Harlequin is characterized by his chequered costume. These characters included the forebears of the modern clown, namely Harlequin () and the zanni. Genetic testing is the most specific diagnostic test for harlequin ichthyosis. Harlan Ellison's ""Repent, Harlequin! Physical assessment at birth is vital for the initial diagnosis of harlequin ichthyosis. The primary tool of the Molly Mayne version of the Harlequin was her glasses. This is a list of Harlequin Romance novels containing books published by Harlequin by year. Six novels were released each month in this line, known as Harlequin Romance. The patient was diagnosed with idiopathic Harlequin syndrome.