marine biology textbooks

These are fish that are sustained in salt-water bodies like seas and oceans. This requires mechanisation. Fishing trawlers fitted with sophisticated electronic fish locating equipment are used for deep-sea fishing. Some marine fish are Bombay duck, Catfish, Mackerels, Red mullet, Sardine ..

This includes inland and marine fisheries, aquaculture and pisiculture. Fish is a source of high quality animal protein and a rich source of minerals like calcium, phosphorus and iron. India abounds in fish, both fresh water and marine..

(b) Water and solute balance in (a) fresh water and (b) marine bony fi..

Free living exclusively marine forms. Adults are radially symmetrical while larvae are bilaterally symmetrica..

Primitive multicellular animals with cellular grade of organisation. Free living aquatic, mostly marine, sedentary forms either solitary or colonia..

Free-living, terrestrial or aquatic form (freshwater or marine). Body is long, cylindrical and metamerically segmente..

Wild life and forest constitute the biotic resources of nature. Wild life is abundant on land as well as in water, both fresh and marine. Life abounds in all habitats on land and in wate..

Biotic Resources - Wild life and forest constitute the biotic resources of nature. Wild life is abundant on land as well as in water, both fresh and marine. Life abounds in all habitats on land and in wat..

The group cyanobacteria includes another successful group of prokaryotes namely blue green algae. They are photoautotrophic prokaryotes occupying a wide range of habitats. They are predominantly aquatic, found mostly in fresh water bodies. Some species occur in marine water. A few are ter..

Pyrosoma Marine in habitat. Notochord is found in the tail in the larval form. Hollow nerve cord is also present in the larva. Body is covered by a tunic. Phyarynx has several gill slits..