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A fish ladder, also known as a fishway, fish pass, fish steps, or fish cannon is a structure on or around artificial and natural barriers (such as dams, locks and waterfalls) to facilitate diadromous fishes' natural migration as well as movements of potamodromous species.
A cleaning station is a location where aquatic life congregate to be cleaned by smaller beings. Such stations exist in both freshwater and marine environments, and are used by animals including fish, sea turtles and hippos.
MSG – Marine Corps Security Guard, responsible for guarding United States Embassies. MTO – Motor Transport Officer, the Marine in charge of maintenance and operation of a unit's trucks. MTV – Modular Tactical Vest, a type of ballistic vest worn by Marines. MTVR – Medium Tactical Vehicle Replacement See also 7-ton.
Photo Illustration by The Daily Beast/GettyMicroplastics are a menace. They’ve been found everywhere from the top of Mount Everest to melted Antarctic snow. Microplastics have even been found ...
Ladder entry may be used where there is a ladder into the water. Ladders may be fixed, folding or portable, and may be designed for use with swimfins. Lifting platform entry: The diver/s stand on a platform fixed to the boat by the lifting mechanism, and are lowered a short distance into the water.
These 5 magic money moves will boost you up America's net worth ladder in 2024 — and you can complete each step within minutes. Here's how.
Cleaning symbiosis is known from several groups of animals both in the sea and on land (see table). Cleaners include fish, shrimps and birds; clients include a much wider range of fish, marine reptiles including turtles and iguanas, octopus, whales, and terrestrial mammals.
A AAW An acronym for anti-aircraft warfare. aback (of a sail) Filled by the wind on the opposite side to the one normally used to move the vessel forward.On a square-rigged ship, any of the square sails can be braced round to be aback, the purpose of which may be to reduce speed (such as when a ship-of-the-line is keeping station with others), to heave to, or to assist moving the ship's head ...
A wide variety of fish including wrasse, cichlids, catfish, pipefish, lumpsuckers, and gobies display cleaning behaviors across the globe in fresh, brackish, and marine waters but specifically concentrated in the tropics due to high parasite density.
The remora (/ ˈ r ɛ m ə r ə /), sometimes called suckerfish or sharksucker, is any of a family (Echeneidae) of ray-finned fish in the order Carangiformes. Depending on species, they grow to 30–110 cm (12–43 in) long.