Five Critically Endangered 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, 27 species are found in Chalan Beel (5 species are critically endangered, 12 species are endangered and rest 10 species are vulnerable).

Critically endangered fish species (5) found in Chalan Beel are shown bellow-

01.
Bangla Name: Bagair
English Name: Dwarf goonch, Gangetic goonch
Scientific Name: Bagarius bagarius

02.
Bangla Name: Ghaira or Gang Ghaira
English Name: Garua Bachcha
Scientific Name: Clupisoma garua

03.
Bangla Name: Bacha
English Name: Batchwa Bacha
Scientific Name: Eutropiichthys bacha

04.
Bangla Name: Rita or Ritha or Eta
English Name: Rita
Scientific Name: Rita rita

05.
Bangla Name: Deshi Sarpunti
English Name: Olive barb
Scientific Name: Puntius sarana

Note:
According to IUCN Bangladesh (2000), the meaning of critically endangered, endangered and vulnerable is given bellow-

Critically Endangered:
A taxon is critically endangered when it is facing an extremely high risk of extinction in the wild in the immediate future.

Endangered:
A taxon is endangered when it is not critically endangered but is facing a very high risk of extinction in the wild in the near future.

Vulnerable:
A taxon is vulnerable when it is not critically endangered or endangered but is facing a high risk of extinction in the wild in the medium-term future.

Reference:
IUCN Bangladesh. 2000. Red Book of Threatened Fishes of Bangladesh. IUCN- The World Conservation Union. xii+116 pp.

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