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Common frog (Rana temporaria) tadpole. A tadpole or polliwog (also spelled pollywog) is the larval stage in the biological life cycle of an amphibian.Most tadpoles are fully aquatic, though some species of amphibians have tadpoles that are terrestrial.
A few exceptions to these general limits are known. The brackishwater frogfish is at home in ocean waters as well as brackish and fresh water around river mouths. [12] The sargassum fish lives in clumps of drifting sargassum, which often floats into the deeper ocean and has been known to take the sargassum fish as far north as Norway. [13]
The eggs of amphibians are typically laid in water and hatch into free-living larvae that complete their development in water and later transform into either aquatic or terrestrial adults. In many species of frog and in most lungless salamanders (Plethodontidae), direct development takes place, the larvae growing within the eggs and emerging as ...
Antennarius biocellatus, the brackish water frogfish, brackish water anglerfish, freshwater frogfish twinspot frogfish or fishing frog, is a species of euryhaline ray-finned fish belonging to the family Antennariidae, the frogfishes. This fish is found in the Western Pacific Ocean.
Adult frogs live in fresh water and on dry land; some species are adapted for living underground or in trees. Frogs typically lay their eggs in the water. The eggs hatch into aquatic larvae called tadpoles that have tails and internal gills. They have highly specialised rasping mouth parts suitable for herbivorous, omnivorous or planktivorous ...
Some species of frogs and snails hatch this way. Lecithotrophic larvae have greater dispersal potential than direct developers. Many fish species and some benthic invertebrates have lecithotrophic larvae, which have yolk droplets or a yolk sac for nutrition during dispersal. Though some lecithotrophic species can feed in the water column, too.
NOAA's Okeanos Explorer team recently spotted a strange fish with legs during its deep sea mission. Known generally as a frog fish and specifically as a Chaunax, the underwater creature has ...
The scarlet frogfish is a tropical salt-water fish. It lives in reef areas, within epipelagic waters in the open ocean (1–75 m deep). [5] They are more likely to be found in waters less than 10 meters deep and are mainly benthic dwelling fish. It will only leave the ground to reproducem. [4]