The Dusky Dolphin is a small species of dolphin that is found inhabiting the cooler waters along continental shelves throughout the southern hemisphere. This distinctive looking cetacean is closely related to other large marine animals including other dolphins, porpoises and whales but despite their fish-like appearance Dusky Dolphins are true mammals that both breathe air in and out of their lungs and also suckle their young on milk produced by the mother's mammary glands. Dusky Dolphins are widespread throughout the southern hemisphere with three species being recognised that have been grouped by their geographical range, with one found off the coast of South America, one near South Africa
The cockroach, also known as the roach, is found worldwide in every environment and every habitat with the exception of water. The cockroach is one of the most commonly known pests to humans of the insects world but plays a vital role in the ecosystem ingesting decomposing materials.
There are thought to be around 4,000 known species of cockroach in existence but only about 30 of the different species of cockroach are the ones that humans come into contact with. Cockroaches are generally not keen on close contact with humans and are only really present if there is enough for them to eat.
The cockroach is dated around 300 million years old, with fossil evidence suggesting that the
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The barracuda is a large species of fish found in the warmer, coastal regions of the world's oceans. There are more than 20 different species of barracuda that range in size from less than 50cm to nearly 2 meters in length.
The barracuda is widely spread across the oceans but is more commonly found in the more tropical regions where there is an abundance of food. Although barracudas can be found in the deep ocean, they tend to prefer coastal habitats along continental shelves and close to coral reefs.
Despite the difference in size and colour between barracuda species, all species of barracuda have a similar elongated appearance, and pointed head with powerful jaws, containing ro
