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Pristis Linck, 1790. Sawfish, also known as carpenter sharks, are a family of rays characterized by a long, narrow, flattened rostrum, or nose extension, lined with sharp transverse teeth, arranged in a way that resembles a saw. They are among the largest fish, with some species reaching lengths of about 7–7.6 m (23–25 ft). [1]
Notice especially the width of the saw, the teeth on the saw, the shape of the tail and pectoral fins, and the position of the dorsal fin compared to the pelvic fins. The largetooth sawfish possibly reaches up to 7.5 m (25 ft) in total length, [3] but the largest confirmed was a West African individual that was 7 m (23 ft) long. [13]
The smalltooth sawfish is found in tropical and subtropical parts of the Atlantic, including the Caribbean and Gulf of Mexico. Its original range was the smallest of the sawfish species, covering about 2,100,000 km 2 (810,000 sq mi). [5] In the west it once ranged from the United States to Uruguay and in the east from Senegal to Angola. [1]
Worm charming is a behavior also observed in non-human animals, especially among birds. The methods used vary; however, tapping earth with feet to generate vibrations is widespread. One common example is the " seagull dance". [7] The wood turtle also seems to be adapted for worm charming, as it is known to stamp its feet – a behavior that ...
Because hand netting is not destructive to fish, hand nets are used for tag and release, or capturing aquarium fish. Lift nets - are a method of fishing using nets that are submerged to a certain depth and then lifted out of the water vertically. The nets can be flat or shaped like a bag, a rectangle, a pyramid, or a cone.
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The following is a glossary of common English language terms used in the description of birds—warm-blooded vertebrates of the class Aves and the only living dinosaurs. [1] Birds, who have feathers and the ability to fly (except for the approximately 60 extant species of flightless birds), are toothless, have beaked jaws, lay hard-shelled eggs ...
A reciprocating saw is a type of handheld, small, machine-powered saw, in which the cutting action is achieved through a push-and-pull ("reciprocating") or back-and-forth motion of the blade. The original trade name, Sawzall, is often used in the United States, where Milwaukee Electric Tool first produced a tool of this type in 1951. [1][2]