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Banglapedia: the National Encyclopedia of Bangladesh is the first Bangladeshi encyclopedia. [1] It is available in print, CD-ROM format and online, [2] in both Bengali and English. [3] The print version comprises fourteen 500-page volumes. The first edition was published in January 2003 in ten volumes by the Asiatic Society of Bangladesh.
List of fishes of Bangladesh. A fish market in Sylhet. Bangladesh is a country with thousands of rivers and ponds, and is notable as a fish-loving nation, acquiring the name "Machh-e Bhat-e Bangali" (which means, Bengali by fish and rice). [ 1 ][ 2 ] Ilish is the national fish of the country, and contributes 13% of country's total fish production.
Catla is a fish with large and broad head, a large protruding lower jaw, and upturned mouth. It has large, greyish scales on its dorsal side with a whitish belly. It reaches up to 182 cm (6.0 ft) in length and 38.6 kg (85 lb) in weight. [2] Catla is a surface and midwater feeder. Adults feed on zooplankton using large gill rakers, while young ...
Wallago attu. Wallago attu, the Sareng catfish is a freshwater catfish of the family Siluridae, native to South and Southeast Asia. W. attu is found in large rivers and lakes in two geographically disconnected regions (disjunct distribution), with one population living over much of the Indian Subcontinent and the other in parts of Southeast Asia.
A fishery is an area with an associated fish or aquatic population which is harvested for its commercial or recreational value. Fisheries can be wild or farmed. Population dynamics describes the ways in which a given population grows and shrinks over time, as controlled by birth, death, and migration. It is the basis for understanding changing ...
Taxonomy of fish. Fishes are a paraphyletic group and for this reason, the class Pisces seen in older reference works is no longer used in formal taxonomy. Traditional classification divides fish into three extant classes (Agnatha, Chondrichthyes, and Osteichthyes), and with extinct forms sometimes classified within those groups, sometimes as ...
v. t. e. Aquaculture (less commonly spelled aquiculture[1]), also known as aquafarming, is the controlled cultivation ("farming") of aquatic organisms such as fish, crustaceans, mollusks, algae and other organisms of value such as aquatic plants (e.g. lotus). Aquaculture involves cultivating freshwater, brackish water, and saltwater populations ...
A freshwater aquatic food web. The blue arrows show a complete food chain (algae → daphnia → gizzard shad → largemouth bass → great blue heron). A food web is the natural interconnection of food chains and a graphical representation of what-eats-what in an ecological community.