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Their food is smaller fish and crustaceans . Typically throughout the species, the maximum size is 1 m (3.3 ft) and the maximum weight 10 kg (22 lb). The body is fusiform (tapering spindle shape) and oval in cross-section; being slightly laterally compressed, and the eyes are large and partially covered with adipose eyelids.
Fusiform (from Latin fusus ‘spindle’) means having a spindle-like shape that is wide in the middle and tapers at both ends. It is similar to the lemon-shape , but often implies a focal broadening of a structure that continues from one or both ends, such as an aneurysm on a blood vessel .
Fish have a variety of different body plans. At the broadest level, their body is divided into the head, trunk, and tail, although the divisions are not always externally visible. The body is often fusiform, a streamlined body plan often found in fast-moving fish. Some species may be filiform (eel-shaped) or vermiform (worm-shaped).
The only other form of fish closely related to Gila longfin dace is the Yaqui longfin dace, which also occurs in Arizona. The body is fusiform, meaning that it is spindle-shaped (wide in the middle and tapers at both ends). The scales are small. A typical Gila dace has an average length of 3.5 inches (89 mm).
Caesionidae are schooling fish, often in mixed species aggregations with other fusiliers. [8] The extensible upper jaws.are adapted for picking zooplankton. [ 7 ] Fusiliers are diurnal, they spend the day feeding in large aggregations in middle of the water column over reefs, along steep outer reef slopes and around pinnacles in deep water in ...
The yellowback fusilier is a small to medium-sized fish which grows to about 40 cm (16 in) long. [5] The mouth is small and terminal and is protusible, being able to be extended forward to swallow food. The body is fusiform or spindle-shaped. The dorsal fin has 10 spines and 14–15 soft rays. The anal fin has three spines and 11 or 12 soft rays.
Clupeidae is a family of clupeiform ray-finned fishes, comprising, for instance, the herrings and sprats.Many members of the family have a body protected with shiny cycloid (very smooth and uniform) scales, a single dorsal fin, and a fusiform body for quick, evasive swimming and pursuit of prey composed of small planktonic animals.
The sauger (Sander canadensis) is a freshwater perciform fish of the family Percidae that resembles its close relative, the walleye. The species is a member of the largest vertebrate order, the Perciformes. [3] It is the most migratory percid species in North America. [4]