Acoustic ecology of pinnipeds in polar habitats -- Immunotoxicological reactivity of hemocyte of juvenile mudcrab of sundarbans biosphere reserve of India -- The potential threat of genotoxic metals to marine mammal health: a case study of chromium toxicity in toothed and baleen whales -- Hyalella genus: anthropogenic threats to a bioindicator -- The aromatic hydrocarbon receptor mediated cytochrome p450 1a induction in aquatic animals: biomonitoring of organic pollution in an aquatic environment -- Role of bacteria in the chilled storage and cryopreservation of sperm in aquatic animals: a review