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The behavior of an amphibian hatchling, commonly referred to as a tadpole, is controlled by a few thousand neurons. [4] 99% of a Xenopus hatchling's first day after hatching is spent hanging from a thread of mucus secreted from near its mouth will eventually form; if it becomes detached from this thread, it will swim back and become reattached, usually within ten seconds. [4]
In Vietnam, they are called cá lóc, cá quả, or cá chuối, and are served in clay-pot, steamed, and pickled preparations. Larger species, such as C. striata, C. maculata, and Parachanna obscura, are farmed in aquaculture. In the United States, chefs have suggested controlling the snakehead invasion by serving them in restaurants. [18]
Fish eggs cannot swim at all, and are unambiguously planktonic. Early stage larvae swim poorly, but later stage larvae swim better and cease to be planktonic as they grow into juveniles. Fish larvae are part of the zooplankton that eat smaller plankton, while fish eggs carry their own food supply. Both eggs and larvae are themselves eaten by ...
Ophichthidae is a family of fish in the order Anguilliformes, commonly known as the snake eels. The term "Ophichthidae" comes from Greek ophis ("serpent") and ichthys ("fish"). Snake eels are also burrowing eels. They are named for their physical appearance, as they have long, cylindrical, snake-like bodies. [2]
In ray finned fish they are called gonopodiums or andropodiums, and in cartilaginous fish they are called claspers. Gonopodia are found on the males of some species in the Anablepidae and Poeciliidae families. They are anal fins that have been modified to function as movable intromittent organs and are used to impregnate females with milt ...
Since first appearing during the age of dinosaurs, snakes have authored an evolutionary success story - slithering into almost every habitat on Earth, from oceans to tree tops. Scientists ...
It is an important food fish and one of the most cultivated in its native region, with an estimated 500 short tons (450 t) produced every year in China and Korea alone. [4] Due to this, the northern snakehead has been exported throughout the world and has managed to establish non-native populations in Central Asia and North America .
Northern water snake (Nerodia sipedon) eating a catfish An Atlantic puffin with a mouth full of lesser sand eels. A piscivore (/ ˈ p ɪ s ɪ v ɔːr /) is a carnivorous animal that primarily eats fish. The name piscivore is derived from Latin piscis 'fish' and vorō 'to devour'.