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Scientific Name: Brachionus falcatus Zacharias, 1898
English Name: Not Known
Local/Bangla Name: Not Known
Not Known - Not Known - Brachionus falcatus - Type: Zooplankton

Photo: BOLD

Classification:
Kingdom: Animalia
Phylum: Rotifera
Class: Eurotatoria
Order: Ploima
Family: Brachionidae
Description:
Brachionus falcatus has an occipital margin with six spines. The intermediate spines are notably longer and curved ventrally, while the median and lateral spines are shorter and of nearly equal length. The posterior spines are long, incurved, and have widely separated bases. However, the anterior and posterior spines can vary considerably. In a specific form of this species found in large numbers in a river, the spines are notably shorter. This modification with shorter spines may be an adaptation for existence in running water, as longer spines are prone to entangling easily. The lorica of Brachionus falcatus is composed of both a dorsal and ventral plate, and it is compressed dorso-ventrally. The anterior dorsal margin of the lorica features six spines, with the intermediates being much longer than the laterals and curved laterally outwards. The median spines are approximately equal in length to the lateral spines.
Environment:
Brackish water
Main References:

Ahsan DA, Kabir AN, Rahman MM, Mahabub S, Yesmin R, Faruque MH, Naser MN (2012) Plankton composition, abundance and diversity in hilsa (Tenualosa ilisha) migratory rivers of Bangladesh during spawning season. Dhaka University Journal of Biological Sciences, 21(2), 177-189.

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