AYU (Plecoglossus altivelis): SPECIES ACCOUNTS
AUSTRALIAN SMELT (Retropinna semoni): SPECIES ACCOUNTS
PHYSICAL CHARACTERISTICS
Smelts, galaxiids, and their relatives are pointed at the ends. Smelts are silvery. Galaxiids and the relatives have a silvery belly but otherwise are brownish or olive with stripes or spots of various colors. These fishes are 1 to 28 inches (2.5 to 71 centimeters) long. Some have very large eyes, and some have no teeth in the upper jaw. Most galaxiids are scaleless.
GEOGRAPHIC RANGE
Smelts, galaxiids, and their relatives live all over the world except near the equator and in Antarctica.
HABITAT
Smelts, galaxiids, and their relatives live in raging mountain streams, slow-flowing rivers, ponds, lakes, estuaries (EHS-chew-air-eez), or where a river meets the sea, shallow nearshore areas of the ocean, and the deep sea, where some live in open water and others on the bottom.
DIET
Smelts, galaxiids, and their relatives eat bottom-dwelling or open-water insects; crustaceans (krus-TAY-shuns), or water-dwelling animals that have jointed legs and a hard shell but no backbone; fishes; mollusks (MAH-lusks), or animals with a soft, unsegmented body usually covered by a hard shell; and worms. One species feeds on the stinging cells and tentacles of jellyfishes.
GALAXIIDS SMELTS THEIR RELATIVES AND PEOPLE
Smelts, galaxiids, and their relatives are used for commercial and recreational fishing.
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