Eels are elongated fish, ranging in length from 5 centimetres to 4 metres. Eel. The thin eel-shaped body of C. apus is black or dark brown, with widely spaced spines. is that eel is any freshwater or marine fish of the order anguilliformes, which are elongated and resemble snakes while hagfish is any of several primitive eellike creatures, of the family myxinidae, having a sucking mouth with rasping teeth; considered edible in japan, their skin is used to make a … When they reach the sea, both European and American eels head for the Sargasso Sea, a sluggish circle of currents containing much seaweed, situated in the western Atlantic between Bermuda and Puerto Rico. They have long, sharply pointed snouts; the pectoral fins are reduced or absent; and the gill apertures are often restricted to very small openings. They are cold-blooded animals; that is, their body temperature is usually about the same as the temperature of their environment.Fish are the most numerous of all vertebrates.

The so-called shellfish, of course, are not fish at all; these invertebrate animals are either crustaceans (such as shrimp, lobsters) or mollusks (such as clams, oysters).Eel is the common name for about 400 species of mostly marine snakelike fishes generally inhabiting shallow waters throughout the world. The eels spawn at depths of 400 to 700 m (1,300 to 2,300 ft), each female laying up to several million free-floating eggs. Their dorsal and anal fins are elongate and tend to join with the tail fin to form one continuous “fin” around the body. One freshwater family of eels has tiny, barely visible scales. The so-called shellfish, of course, are not fish at all; these invertebrate animals are either crustaceans (such as shrimp, lobsters) or mollusks (such as clams, oysters). The garden eels have large eyes, are extremely slender (about the diameter of a pencil), and are 30 to 50 cm (12 to 20 in) long. Like frogs, freshwater eels have dense networks of blood vessels in their skin and can absorb oxygen directly from air or water.The snake and worm eels are the most highly evolved burrowing forms of eel. They are cold-blooded animals; that is, their body temperature is usually about the same as the temperature of their environment.Fish are the most numerous of all vertebrates. They remain buried in the sand at night, but during the day they extend 30 to 60 cm (1 to 2 ft) out of their burrows. All lack scales, and many lack caudal fins, possessing instead a sharp-pointed tail for burrowing into sand, mud, or shell hash. For European eels this journey lasts more than a year. Not all mature landlocked eels undergo this migration, but those which do will even cross fields wet with dew to reach seaward rivers. When they reach the sea, both European and American eels head for the Sargasso Sea, a sluggish circle of currents containing much seaweed, situated in the western Atlantic between Bermuda and Puerto Rico. The so-called shellfish, of course, are not fish at all; these invertebrate animals are either crustaceans (such as shrimp, lobsters) or mollusks (such as clams, oysters). In this position they sway like blades of grass in the wind, while feeding on small planktonic animals floating by in the water.When the eels reach about 10 years of age and are black with silvery white underparts, and sufficiently fattened, they cease feeding and begin a seaward journey.
Eels lack pelvic fins. They remain buried in the sand at night, but during the day they extend 30 to 60 cm (1 to 2 ft) out of their burrows. The so-called shellfish, of course, are not fish at all; these invertebrate animals are either crustaceans (such as shrimp, lobsters) or mollusks (such as clams, oysters). There are differences between diamond and graphite even though they…

Difference Between Eel And fish     Eel Eel is the common name for about 400 species of… Fish are found throughout the world in both fresh and salt water and in widely different habitats. In this position they sway like blades of grass in the wind, while feeding on small planktonic animals floating by in the water.When the eels reach about 10 years of age and are black with silvery white underparts, and sufficiently fattened, they cease feeding and begin a seaward journey. Most eels live in the shallow waters of the ocean and burrow into sand, mud, or …


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