"An unusual individual that has brown digestive diverticula inside the cerata rather than the usual pink-purple diverticula. Presumably it has been feeding on a different species of hydroid than the ‘normal’ one, so this would account for this difference in colour."
Comment from Richard Willan
An unusual individual that has brown digestive diverticula inside the cerata rather than the usual pink-purple diverticula. Presumably it has been feeding on a different species of hydroid than the ‘normal’ one, so this would account for this difference in colour.