Search results
Results from the WOW.Com Content Network
Xiphophorus is a genus of euryhaline and freshwater fishes in the family Poeciliidae of order Cyprinodontiformes, native to Mexico and northern Central America. Xiphophorus species can be divided into 3 groups based on their evolutionary relationships: platyfish (or platies), northern swordtails, and southern swordtails.
Risso's illustration of the marbled electric ray, accompanying his original species description. French naturalist Antoine Risso described the marbled electric ray as Torpedo marmorata in his 1810 Ichtyologie de Nice, ou histoire naturelle des poissons du département des Alpes maritimes (Ichthyology of Nice, or natural history of fishes in the Alpes-Maritimes).
One of the most popular tropical aquarium fish, the green swordtail has been bred into various hybrid forms for the aquarium hobby due to its hardiness and suitability for community tanks. [ 7 ] X. hellerii is a common laboratory animal and has been used as a model organism in studies involving female mate preference [ 8 ] and male conflict.
The juvenile members of the species often live in between the roots of papyrus plants. [1] Despite being aquatic, adult marbled lungfish can live in riverbeds and other areas that have no rain for portions of the year due to their ability to estivate or burrow in the ground to form an air bubble and breathe out of a hole in the cocoon thus formed.
Most species live on the sea floor, in a variety of geographical regions – mainly in coastal waters, although some live in deep waters to at least 3,000 metres (9,800 ft). Most batoids have a cosmopolitan distribution , preferring tropical and subtropical marine environments, although there are temperate and cold-water species.
Luckily for novice fox spotters, many common fox species are named after their looks. Consider the Arctic fox, which has a gray or snowy white coat, depending on the time of the year.
Check out the video above for a close-up of this sea creature that is seldom seen. ... There are around 300 species of squid living in the ocean and they can range in size from less than an inch ...
Like most Amazonian fish, the species prefers softer, acidic water within the pH range of 5.0 to 8.0. As with most characins , they are omnivores . Hatchets have a tendency to be shy fish and are easily intimidated by larger or fast moving fish, so they are only appropriate for very peaceful communities or species tanks.