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It requires a temperature of 24 °C (75 °F) to 28 °C (82 °F). The fish is intolerant of stagnant water, being susceptible to bacterial infections, making it necessary to change about 30% of the aquarium water twice a month. Aquatic plants help reduce its natural skittishness. [2] The knife livebearers are best kept in a single species aquarium.
Live-bearing fish exhibit either vivipary or ovovivipary and sometimes both. Note : If a species or grouping of fish species appears here and is known to be either ovoviviparous or viviparous please redirect to the relevant category.
Livebearers are fish that retain their eggs inside the body and give birth to live, free-swimming young. They are especially prized by aquarium owners. They are especially prized by aquarium owners. Among aquarium fish, livebearers are nearly all members of the family Poeciliidae and include: guppies , mollies , platies and swordtails .
Poeciliopsis lucida, the clearfin livebearer, is a species of small freshwater fish in the family Poeciliidae. Reproduction is viviparous , and the female can have several clutches of young developing internally at the same time.
Despite the name, the electric eel is a type of knifefish. The Gymnotiformes / dʒ ɪ m ˈ n ɒ t ɪ f ɔːr m iː z / are an order of teleost bony fishes commonly known as Neotropical knifefish or South American knifefish.
The Texas Parks and Wildlife Department has released nearly 1 billion saltwater fish into Texas bays over the last 40 years — an effort to revitalize historic fisheries and recover native fish ...
Texas A&M University at Galveston describes snapper eels as having cylindrical body types that can grow to 6 feet in length. The teeth of snapper eels are called “canine-like.” The teeth of ...
Phallichthys amates, the merry widow or merry widow livebearer, is a livebearer fish from Central America, the largest and most widespread in its genus. Two subspecies range from Guatemala to Panama. Distinguishing features include the dark dorsal fin edge, a stripe through the eye, and an oversized male copulatory organ .