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The Living Encyclopedia
Explore our comprehensive database of reptiles, amphibians, fish, and invertebrates. Discover detailed care guides, morph varieties, and community setups.
S
mammal
Short-Tailed Opossum
Monodelphis domestica
Short-Tailed Opossum (Monodelphis domestica)
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D
mammal
Dwarf Campbell Russian Hamster
Phodopus campbelli
Dwarf Campbell Russian Hamster (Phodopus campbelli)
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D
mammal
Dwarf Winter White Russian Hamster
Phodopus sungorus
Dwarf Winter White Russian Hamster (Phodopus sungorus)
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R
mammal
Roborovski Hamster
Phodopus roborovskii
Roborovski Hamster (Phodopus roborovskii)
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C
mammal
Chinese Hamster
Cricetulus griseus
Chinese Hamster (Cricetulus griseus)
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F
mammal
Fat-Tailed Gerbil
Pachyuromys duprasi
Fat-Tailed Gerbil (Pachyuromys duprasi)
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mammal
Prairie Dog
Cynomys
Prairie dogs are herbivorous burrowing ground squirrels native to the grasslands of North America. There are five recognized species of prairie dog: black-tailed, white-tailed, Gunnison's, Utah, and Mexican prairie dogs. In Mexico, prairie dogs are found primarily in the northern states, which lie at the southern end of the Great Plains: northeastern Sonora, north and northeastern Chihuahua, northern Coahuila, northern Nuevo LeΓ³n, and northern Tamaulipas. In the United States, they range primarily to the west of the Mississippi River, though they have also been introduced in a few eastern locales. They are also found in the Canadian Prairies. Despite the name, they are not actually canines; prairie dogs, along with the marmots, chipmunks, and several other basal genera belong to the ground squirrels, part of the larger squirrel family (Sciuridae).
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R
mammal
Richardson's Ground Squirrel
Urocitellus richardsonii
Richardson's Ground Squirrel (Urocitellus richardsonii)
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mammal
Chipmunk
Tamias
Chipmunks are small, striped burrowing squirrels of subtribe Tamiina. Chipmunks are found in North America, with the exception of the Siberian chipmunk, which is found primarily in Asia. The name "chipmunk" originated in the 19th century, and other names for this group of squirrels include chitmunk, chipmuck, chipping squirrel, and ground squirrel, though the last name can refer to squirrels of other genera.
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mammal
Flying Squirrel
Pteromyini
Flying squirrels are a tribe of 50 species of squirrels in the family Sciuridae. Despite their name, they are not in fact capable of full flight in the same way as birds or bats, but they are able to glide from one tree to another with the aid of a patagium, a furred skin membrane that stretches from wrist to ankle. Their long tails also provide stability as they glide. Anatomically they are very similar to other squirrels with a number of adaptations to suit their lifestyle; their limb bones are longer and their hand bones, foot bones, and distal vertebrae are shorter. Flying squirrels are able to steer and exert control over their glide path with their limbs and tail. = Molecular studies have shown that flying squirrels are monophyletic and originated some 18β20 million years ago. The genus Paracitellus is the earliest lineage to the flying squirrel dating back to the late Oligocene era. Most are nocturnal and omnivorous, eating fruit, seeds, buds, flowers, insects, gastropods, spiders, fungi, bird's eggs, tree sap and young birds. The young are born in a nest and are at first naked and helpless. They are cared for by their mother and by five weeks are able to practice gliding skills so that by ten weeks they are ready to leave the nest.
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plant
Java Fern
Leptochilus pteropus
Leptochilus pteropus is a species of aquatic or semi-aquatic fern, commonly known as Java fern. It is predominantly known from Malaysia, Thailand, Northeastern India and parts of South China. It is a highly variable plant, with several different geographic varieties and physical forms that vary in leaf size, texture and shape. Found in its natural habitat growing attached to riparian roots and rocks, it can grow fully or partially submerged, provided its roots and rhizome remain wet. The plant will readily propagate asexually by producing small, adventitious plantlets from the leaf tips and margins of established, mature foliage. The small sprouts quickly develop roots of their own, and, if water currents facilitate it, may attach themselves to surrounding objects before the "mother" leaf expires. In the event that the mother leaf wilts or detaches prior to the plantlet establishing itself, the small fern will float on its own to a new location to start anew.
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A
plant
Anubias Nana
Anubias barteri var. nana
Anubias Nana (Anubias barteri var. nana)
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A
plant
Amazon Sword
Echinodorus grisebachii
Amazon Sword (Echinodorus grisebachii)
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C
plant
Cryptocoryne Wendtii
Cryptocoryne wendtii
Cryptocoryne Wendtii (Cryptocoryne wendtii)
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V
plant
Vallisneria
Vallisneria
Vallisneria (Vallisneria)
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H
plant
Hornwort
Ceratophyllum demersum
Hornwort (Ceratophyllum demersum)
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W
plant
Water Wisteria
Hygrophila difformis
Water Wisteria (Hygrophila difformis)
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D
plant
Duckweed
Lemnoideae
Duckweed (Lemnoideae)
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F
plant
Frogbit
Limnobium laevigatum
Frogbit (Limnobium laevigatum)
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plant
Water Lettuce
Pistia stratiotes
Pistia is a genus of aquatic plants in the arum family, Araceae. It is the sole genus in the tribe Pistieae which reflects its systematic isolation within the family. The single species it contains, Pistia stratiotes, is often called water cabbage, water lettuce, Nile cabbage, or shellflower. Its native distribution is uncertain but is probably pantropical; it was first scientifically described from plants found on the Nile near Lake Victoria in Africa. It is now present, either naturally or through human introduction, in nearly all tropical and subtropical fresh waterways and is considered an invasive species as well as a mosquito breeding habitat. The specific epithet is derived from a Greek word, ΟΟΟΞ±ΟΞΉΟΟΞ·Ο, meaning "soldier", which references the sword-shaped leaves of some plants in the genus Stratiotes.
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