Whale sharks. Are they whales? Are they sharks? This amazing creature is actually a shark. It is called a whale shark due to ...

Fish are able to excrete unwanted compounds (such as salts and nitrogen-containing ammonia) via the membranes of their gills ...

Make sure to go check out the 'Life in the Dark' exhibition at the Natural History Museum for more deep sea facts, on until - 24 February 2019 ...