Venomous mammals — are animals of the class Mammalia that produce venom, which they use to kill or disable prey, or to defend themselves from predators. In modern nature, venomous mammals are quite rare. Venom is much more common among other vertebrates; there are… … Wikipedia
Fish migration — Many species of salmon are anadromous and migrate long distances up rivers and streams to spawn. Many types of fish migrate on a regular basis, on time scales ranging from daily to annually or longer, and over distances ranging from a few metres… … Wikipedia
Fish locomotion — The prevailing type of fish locomotion is swimming in water. In addition, some fish can walk , i.e., move over land, burrow in mud, and glide through the air. Contents 1 Swimming 1.1 Body/caudal fin propulsion 1.1.1 Anguilliform locomotion … Wikipedia
Fish scale — For other uses, see Fish scale (disambiguation). The cycloid scales of a common roach (Rutilus rutilus). The row of lateral line scales is visible in the lower half of the image. The skin of most bony and cartilaginous fishes are covered by… … Wikipedia
Fish — /fish/, n. Hamilton, 1808 93, U.S. statesman: secretary of state 1869 77. * * * I Any of more than 24,000 species of cold blooded vertebrates found worldwide in fresh and salt water. Living species range from the primitive lampreys and hagfishes… … Universalium
Diversity of fish — Fish come in many shapes and sizes. This is a sea dragon, a close relative of the seahorse. They are camouflaged to look like floating seaweed.[1][2][3] … Wikipedia
fish — fishless, adj. /fish/, n., pl. (esp. collectively) fish, (esp. referring to two or more kinds or species) fishes, v. n. 1. any of various cold blooded, aquatic vertebrates, having gills, commonly fins, and typically an elongated body covered with … Universalium
Fish in Australia — There are many species of fish in Australia, and fishing is a popular Australian activity. Most of Australia s fish species are marine. More than 4400 species of fish inhabit Australia s waterways. 70% of Australia s freshwater fish have… … Wikipedia
Coral reef fish — The fish that inhabit coral reefs are numerous and diverse. Coral reef fish are fish which live amongst or in close relation to coral reefs. Coral reefs form complex ecosystems with tremendous biodiversity. Among the myriad inhabitants, the fish… … Wikipedia
Demersal fish — Bluespotted ribbontail ray resting on the seafloor Demersal fish live on or near the bottom of the sea or lakes.[1] They occupy the sea floors and lake beds, which usually consist of mud, sand, gravel or rocks … Wikipedia