In previous feature, different kinds of physical factors affecting the life of shellfishes were described. The most important physical factors are light, temperature, turbidity, depth, water current, substrate etc. In this feature, different types of chemical factors (viz. salinity, pH
Physical factors affecting the life of shellfishes
In nature, shellfishes are very crucial both in ecological and economical point of view among calcifying species. They play an important role in ecological balance and thus they are termed as engineer of the ecosystem, governing energy and nutrient flows
Economic Importance of Shellfishes of Bangladesh
Shrimps/Prawns: Almost all farmed produced shrimps are exported as processed frozen sea food and is the second largest export item in Bangladesh. Presently 162 processing plants are in operation among which 74 processing plants are EU approved. Directly and indirectly
Commercially Important Shellfishes of Bangladesh
What is Shellfish? Generally shellfish are aquatic invertebrates possess a shell or outer skeleton applied to a variety of marine and freshwater life. They are usually crustaceans and mollusks. Despite the name, shellfish are not a kind of fish, but
Migratory Pattern, Route and Abundance of Hilsa shad (Tenualosa ilisha)
During entire life, Hilsa shad (the national fish of Bangladesh) migrates both from sea to freshwater and freshwater to sea to meet the biological demand. Hilsa shad (Tenualosa ilisha) lives in the sea for most of its life, but migrates
Jatka Conservation Week 2013: A New Hope
Jatka conservation week, 2013 has begun on 26 February, 2013 aiming at creating awareness of preserving jatka for boosting Hilsa production. It is organized by the Department of Fisheries (DoF) under the Ministry of Fisheries and Livestock of Bangladesh. The
Congaturi halfbeak, Hyporhamphus limbatus (Valenciennes, 1847)
Systematic position Phylum: Chordata Class: Actinopterygii (Ray-finned fishes) Order: Beloniformes (Needlefishes) Suborder: Belonoidei (= Exocoetoidei) Superfamily: Exocoetoidea Family: Hemiramphidae (Halfbeaks) Subfamily: Hemiramphinae Genus: Hyporhamphus Species: H. limbatus Synonyms Hemiramphus gorakhpurensis Srivastava, 1967 Hemiramphus limbatus Valenciennes, 1847 Hemiramphus tridentifer Cantor, 1849