Fish belonging to the genus Cyclothone are believed to be, by number, the most common fish in oceans around the world. Despite their diminutive size of around 2.5 to 3 inches in length, members of this genus are believed to outweigh any other type of fish in terms of biomass.
In addition to their large numbers, Cyclothone has more identified species than any other vertebrate genus. Members of Cyclothone are also known as "Minnows of the Deep;" this is due to their similarity in appearance and the depth at which they are found, which is approximately 1,000 feet below the surface. These fish are further characterized by their bristled mouths and their bioluminescence.Learn More
When a lake freezes, fish survive by changing their metabolism, which lessens the amount of food and oxygen that they need. Without this adaptation, fish would not survive the icy winters.Full Answer >
While the bacteria content of every animal's mouth is unknown, there has been plenty of speculation about which animal has the cleanest mouth. Although it may seem easy to compare, according to an interview on Live Science, comparing different species' bacteria content is like comparing apples to oranges.Full Answer >
The Tomato Clownfish is a member of a group of five anemonefish known as the Tomato complex. The Tomato Clownfish is one of the largest members of the complex with females growing to be over five inches in length. On average, females are roughly half an inch longer than males.Full Answer >
In spite of the popular myth that goldfish have only a 3-second memory, research conducted at Plymouth University has demonstrated that goldfish have a memory span of up to three months. These studies have also established that goldfish are able to associate time with feeding.Full Answer >