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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.
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.
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 ...
A livebearer, the female gives birth to 10–80 live fry, [4] the number depending on the female's size. [2] The gestation lasts about four weeks [4] or less, depending on water temperature. [2] The fry are born looking exactly like adult fish, including the characteristic band on the dorsal fin. [2]
P. vivipara is a small poeciliid, normally growing to a size of 2–5 cm. [5] The maximum recorded total length is 7.8 cm. [6] Individuals from habitats with higher water salinity tend to grow faster and larger, [7] [8] and these differences in growth patterns are partly heritable.
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 ...
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.