RESULTS Crude ink of Loligo duvauceli At 100µl concentration the crude ink of L.duvauceli showed the range of activity between 21mm and 28 mm. Maximum antibacterial activity was recorded against Staphylococcus aureus (28mm) and minimum (21mm) against Vibrio fischeri. At 20µl concentration the extract showed inhibitory zone of 7mm against V.fischeri. No inhibition activity was observed against other bacterial strains. At 100µl concentration the extract showed 17mm inhibition zone against the fungal strain Candida albicans and at 20µl concentration the extract showed no activity against the same fungal strain