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The freshwater butterflyfish is a specialized surface hunter. Its eyes are constantly trained to the surface and its upturned mouth is specifically adapted to capture small prey along the water's surface. If enough speed is built up in the water, a butterflyfish can jump and glide a small distance above the surface to avoid predation. It also ...
The butterflyfish are a group of conspicuous tropical marine fish of the family Chaetodontidae; the bannerfish and coralfish are also included in this group. The approximately 129 species in 12 genera [2] are found mostly on the reefs of the Atlantic, Indian, and Pacific Oceans. A number of species pairs occur in the Indian and Pacific Oceans ...
Freshwater fish are fish species that spend some or all of their lives in bodies of fresh water such as rivers, lakes and inland wetlands, where the salinity is less than 1.05%. These environments differ from marine habitats in many ways, especially the difference in levels of osmolarity. To survive in fresh water, fish need a range of ...
According to FishBase about 34,800 species of fish had been described as of February 2022, [5] which is more than the combined total of all other vertebrate species: mammals, amphibians, reptiles and birds. Fish species diversity is roughly divided equally between marine (oceanic) and freshwater ecosystems.
The ornate butterflyfish ( Chaetodon ornatissimus ), or clown butterflyfish is a species of marine ray-finned fish, a butterflyfish in the family Chaetodontidae . The ornate butterflyfish is a close relative of the mailed butterflyfish ( C. reticulatus) and the scrawled butterflyfish ( C. meyeri ). [ 3] Together they make up the subgenus called ...
The lake sturgeon (Acipenser fulvescens), also known as the rock sturgeon, [7] is a North American temperate freshwater fish, one of about 25 species of sturgeon.Like other sturgeons, this species is a bottom feeder and has a partly cartilaginous skeleton, an overall streamlined shape, and skin bearing rows of bony plates on the sides and back.
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The butterflyfish, C. ocellatus mentioned above is one of these species. Another species that has been mistakenly classified as a Platax is the common freshwater angelfish, Pterophyllum scalare. In a joint effort with Valenciennes, Cuvier published a natural history work in 1831 where the freshwater angelfish was classified as Platax scalaris. [7]