Anadromous: Relating to fish, such as salmon or shad, that migrate up rivers from the sea to breed in fresh water.
Catadramous: Migratory pattern in which juvenile fish spawn in the open ocean but mature in freshwater.
Anadromous fish are fish that run up rivers to spawn, like salmon and shad.
they both are reptiles to the human nature
An anadromous fish, born in fresh water, spends most of its life in the sea and returns to fresh water to spawn. Salmon, smelt, shad, striped bass, and sturgeon are common examples. A catadromous fish does the opposite - lives in fresh water and enters salt water to spawn. Most of the eels are catadromous.
FISHES!
jeol fishes are fishes who have dual respiratory organs. rakesh
cartilaginous fish are in fact very similar to humans in that we both take in oxygen and release carbon dioxide. the difference is that cartilaginous fish breathe through their gills (slits along neck) by contracting and relaxing.
it has denticles
anadromous fishes - live in ocean reproduce in freshwater or catadromous fishes - live in freshwater but reproduce in saltwater amphidromus fishes - move between fresh and saltwater for non-reproductive reasons
Live in salt and freshwater
An anadromous fish, born in fresh water, spends most of its life in the sea and returns to fresh water to spawn. Salmon, smelt, shad, striped bass, and sturgeon are common examples. A catadromous fish does the opposite - lives in fresh water and enters salt water to spawn. Most of the eels are catadromous.
Ascending rivers from the sea, at certain seasons, for breeding, as the salmon, shad, etc., Tending upwards; -- said of terns in which the lowest secondary segments are on the upper side of the branch of the central stem.
If the fish does this for fun rather than to breed it is classed as an "amphidromous" species. If the fish lives mainly in the ocean and travels into fresh water to breed then it is "anadromous". Salmon come into this category.
Bruce A. McIntosh has written: 'Historical changes in anadromous fish habitat in the Upper Grande Ronde River, Oregon, 1941-1990' -- subject(s): Habitat, River surveys, Salmonidae, Stream ecology, Land use, Anadromous fishes
It is.
Lawrence W. Smith has written: 'Clogging, cleaning, and corrosion study of possible fish screens for the proposed Peripheral Canal' -- subject(s): Protection, Fish screens, Anadromous fishes
It is a fish that is preggers
American eels (Anguilla rostrata) are found in a wide variety of habitats from Greenland to the east coast of South America. Eels, often the top predator and largest contributor to fish biomass in inland freshwaters systems throughout eastern North America Unlike salmon and other anadromous fish, eels are catadromous, maturing in freshwater and returning to the ocean to spawn.
Star fishes and sea urchins are similar to sand dollars.
North American eel and the European eel