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.
Rabbitfish can be important species for commercial fisheries, particularly the schooling species. The catch is largely sold fresh but juveniles may be dried or processed to make fish paste. Some species are used in aquaculture and some of the more colorful species are found in the aquarium trade. [ 6 ]
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.
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.
The oscar (Astronotus ocellatus) is a species of fish from the cichlid family known under a variety of common names, including tiger oscar, velvet cichlid, and marble cichlid. [2] In tropical South America, where the species naturally resides, A. ocellatus specimens are often found for sale as a food fish in the local markets.
The species live in “deep spiralling burrows, allowing them to survive in arid ecosystems.” The two new species are “large” scorpions, measuring nearly 3 inches, Buzatto and Volschenk said.
Salmo marmoratus, the marble trout, is a species of freshwater fish in the family Salmonidae. It is characterized by a distinctive marbled color pattern and high growth capacity. It is characterized by a distinctive marbled color pattern and high growth capacity.