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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.
Common Name Scientific Name Image Native Non-Native Notes Pacific Lamprey: Lampetra tridentata: River Lamprey: Lampetra ayresl: Pit-Klamath Brook Lamprey: Lampetra lethophaga
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.
The doomsday fish got its name because it looks like a mythical sea creature, with a long, ribbon-shaped body that can grow up to 30 feet. Rare "doomsday fish" spotted on a Southern California ...
Poeciliopsis gracilis (Heckel, 1848) (Porthole livebearer) Poeciliopsis hnilickai (M. K. Meyer & Vogel, 1981) (Upper Grijalva livebearer) Poeciliopsis infans (Woolman, 1894) (Lerma livebearer) Poeciliopsis latidens (Garman, 1895) (Lowland livebearer) Poeciliopsis lucida (R. R. Miller, 1960) (Clearfin livebearer) Poeciliopsis lutzi (Meek, 1902 ...
The fish spotted by oceangoers on August 10 was 12 feet long, according to the institution. The fish had already died at the time of the discovery, and was found near the shores of La Jolla Cove.
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.
Some of the world's most popular aquarium fish such as guppies, swordtails and mollies are from this subfamily. [2] They have been introduced to many regions in the world, either accidentally or to control mosquitoes, and have become invasive species threatening local populations of similar, small fishes. [ 3 ]