Category: Biodiversity | Biology | Fishes | Management | Resource | Systematics

Orange Snakehead: A new species of snakehead in Bangladesh?

Orange Snakehead: A new species of snakehead in Bangladesh?

Orange Snakehead: A new species of snakehead in Bangladesh?

Presence of numerous black spot on the bright-orange body surface of the fish makes it different from other five snakehead species in Bangladesh although the external characters are same. The external characters of the fish mostly found to be similar with Channa barca but a critical …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: Biodiversity | Fishes | Management | Resource

Ten Vulnerable Fishes of Bangladesh: Recorded from Chalan Beel

A total of 54 native freshwater fish species of Bangladesh have been declared threatened by IUCN Bangladesh (2000). Among them 12 species are recorded as critically endangered, 28 species are endangered and rest 14 species are vulnerable.

Out of 54 threatened freshwater fish species of Bangladesh, 28 species are found in Chalan Beel (5 species are critically endangered, 12 species are endangered and rest 10 species are vulnerable).

Vulnerable fish …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

Category: Resource | Waterbody

Bookbhara Baor

Bookbhara Baor

“Bukbhara Baor” is one of the well-known and renowned Baor in under sadar upazilla of Jessore district. The Baor is locates in the western position of the Upazilla. All of the Baors of Bangladesh is now under management either managed by the GOB or the private leaseholders. In the case of …read more

Category: Fishes | Resource

Threatened to Extinct Fishes of Bangladesh

Threatened to extinct fishes of Bangladesh: The IUCN Bangladesh (2000) has made a list of threatened to extinct fishes of Bangladesh. These species are considered as threatened fishes of Bangladesh. The National Categories of Threatened Animals are based on the Global Threatened Categories of IUCN. Bangladesh National Criteria were developed on the basis of qualitative data due to the lack of quantitative ones. The National Categories and Criteria …read more

Category: Fishes | Resource

Small Indigenous Species (SIS) of Fishes

What is SIS?

According to Rahman (1989), there are 260 species of freshwater indigenous fishes in Bangladesh. Among them, which grow to a size of 25 cm or 9 inches at mature or adult stage in their life cycle are known as Small Indigenous Species (SIS; Felts et al. 1996). However, people may argue over this definition as maximum …read more