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A fish wheel, also known as a salmon wheel, is a device situated in rivers to catch fish which looks and operates like a watermill. However, in addition to paddles, a fish wheel is outfitted with wire baskets designed to catch and carry fish from the water and into a nearby holding tank.
Traditional fish traps, Hà Tây, Vietnam. Cage trap at Lembeh Strait, Indonesia. A fish trap is a trap used for catching fish and other aquatic animals of value. Fish traps include fishing weirs, cage traps, fish wheels and some fishing net rigs such as fyke nets.
Ichthys was adopted as a Christian symbol.. The ichthys or ichthus (/ ˈ ɪ k θ ə s /), from the Greek ikhthū́s (ἰχθύς, 1st cent.AD Koine Greek pronunciation: [ikʰˈtʰys], "fish") is (in its modern rendition) a symbol consisting of two intersecting arcs, the ends of the right side extending beyond the meeting point so as to resemble the profile of a fish.
The ocean sunfish or common mola ( Mola mola) is one of the largest bony fish in the world. It is the type species of the genus Mola, and one of five extant species in the family Molidae. [6] [7] It was once misidentified as the heaviest bony fish, which was actually a different and closely related species of sunfish, Mola alexandrini. [8]
Fish wheels - operate alongside streams, much as a water-powered mill wheel. A wheel complete with baskets and paddles is attached to a floating dock. The wheel rotates due to the current of the stream. The baskets on the wheel capture fish travelling upstream and transfer them into a holding tank. When the holding tank is full, the fish are ...
British Rail Departmental Wagons. British Rail departmental wagons are wagons used by British Rail and their successors Railtrack and Network Rail for departmental purposes. Many vehicles are named after aquatic creatures (including fish, mammals, birds and mythical creatures ), these names started life as telegraphic codes. [1]
Ashtamangala: first row (left to right): parasol, pair of golden fish, conch; second row: treasure vase, lotus; Last row: infinite knot, victory banner and wheel. The Ashtamangala ( Sanskrit: अष्टमङ्गल, romanized : Aṣṭamaṅgala) is a sacred suite of Eight Auspicious Signs featured in a number of Indian religions such as ...
Helicoprion is an extinct genus of shark -like [1] eugeneodont fish. Almost all fossil specimens are of spirally arranged clusters of the individuals' teeth, called "tooth whorls", which in life were embedded in the lower jaw. As with most extinct cartilaginous fish, the skeleton is mostly unknown. Fossils of Helicoprion are known from a 20 ...
Pterois antennata, by Chmehl. Red lionfish, by Jens Petersen. Dried seahorse used in traditional Chinese medicine, by Digon3 (edited by John O'Neill) Great white shark, by Pterantula (edited by Althepal) Oscar, by Jón Helgi Jónsson. Pennant coralfish, by Fir0002. Camouflaged flounder, by Moondigger.
Feeding and digestive system. Lancelets are passive filter feeders, [14] spending most of the time half-buried in sand with only their frontal part protruding. [66] They eat a wide variety of small planktonic organisms, such as bacteria, fungi, diatoms, and zooplankton, and they will also take detritus. [67]