Scientific Name: Indonaia caerulea (I. Lea, 1831)
Synonym: Parreysia caerulea (Currently unaccepted)
English Name: Freshwater mussel
Local/Bangla Name: পাতলা ঝিনুক (Patla jhinuk)
Photo: Ivan N. Bolotov et al, 2022
Classification:
Kingdom: Animalia
Phylum: Mollusca
Class: Bivalvia
Order: Unionida
Family: Unionidae
Description:
The shell is elongated and displays variability in both shape and sculpture, with the posterior margin gradually tapering. It is notably sculptured at the umbonal region, featuring zigzag ribs that extend to the upper half of the valve. The posterior umbonal carina is distinct. The coloration is dark brown. On average, the valve measures approximately 47 mm in length, 23 mm in height, and 18 mm in thickness.
Habitat & Distribution in Bangladesh:
Found in aquatic habitat viz lakes, rivers and streams. Abundant in Comilla, Habiganj, Mauleviater and Sylhet Districts.
Environment:
freshwater
References:
Siddiqui KU, Islam MA, Kabir SMH, Ahmad M, Ahmed ATA, Rahman AKA, Haque EU, Ahmed ZU, Begum ZNT, Hassan MA, Khondker M, Rahman MM (2007) Encyclopedia of Flora and Fauna of Bangladesh, Vol. 17. Molluscs. Asiatic Society of Bangladesh, Dhaka 415 pp
