Category: Fishes | Resource

Cuja bola, Macrospinosa cuja (Hamilton, 1822)

Systematic position Phylum: Chordata Class: Actinopterygii (Ray-finned fishes) Order: Perciformes (Perches) Family: Sciaenidae (Drums or croakers) Genus: Macrospinosa Species: M. cuja

Synonyms Bola cuja Hamilton, 1822 Johnius cujus (Hamilton, 1822) Sciaena cuja (Hamilton, 1822)

Common/local names English: Cuja bola Bangladesh: Bola (ভোলা) and Kuizza poa (কুইজ্জা পোয়া)

Distributions: Bangladesh (Rahman, 1989 and 2005) and India (Gangetic estuaries) (Talwar and Jhingran, 1991).

Conservation status: Not threatened in Bangladesh (IUCN Bangladesh, …read more

Category: Fishes | Freshwater Fishes | Resource

Near Threatened (NT) Freshwater Fishes of Bangladesh

Osteobrama cotio, one of the Near Threatened (NT) Freshwater Fishes of Bangladesh

Osteobrama cotio, one of the Near Threatened (NT) Freshwater Fishes of Bangladesh

A Near Threatened (NT) species is one which has been categorized by the International Union for Conservation of Nature (IUCN) as likely to become endangered in the near future. It is the fourth highest risk category after Critically Endangered …read more

Category: Fishes | Resource

List of Freshwater Fishes of Bangladesh and their conservation status

Conservation status of Freshwater Fishes of Bangladesh (According to IUCN Bangladesh (2015a, b))

Conservation status of Freshwater Fishes of Bangladesh (According to IUCN Bangladesh (2015a, b))

List of freshwater fishes of Bangladesh including their local conservation status (IUCN 2015a and b) are given below. In the …read more

Category: Fishes | Resource

Finfishes of the Sundarbans

The Sundarbans (beautiful forest) is the largest mangrove forest of the world and is a component of the greater Ganga-Brahmaputra estuarine system. It occupies the area between latitude 21027’30” to 22030’00” north and longitude 89002’00” to 90000’00” east (Huda and Haque 2003). The following finfish species are available in the Sundarbans (Huda and Haque 2003)-

Class: CHONDRICHTHYES

Order: Carcharhiniformes (Ground sharks)

Family: Carcharhinidae (Requiem …read more

Category: Fishes | Resource

Freshwater and Estuarine Fishes of Bangladesh

Freshwater and Estuarine Fishes: General parameter to differentiate freshwater from estuarine habitat is the salinity level of water. Freshwater contains less than 0.5 ppt (Parts Per Thousand) salinity whereas estuarine water contains moderate salinity (generally 14-17 ppt). We can easily define freshwater and estuarine fish species in such ways that “fishes live in freshwater habitats are called freshwater fish and fishes live in estuarine habitat are called estuarine fishes.”

But, …read more