Junonia almana

The Peacock Pansy (Junonia almana) is a species of nymphalid butterfly found in Bangladesh. It exists in two distinct adult forms, which differ chiefly in the patterns on the underside of the wings; the dry-season form has few markings, while the wet-season form has additional eyespots and lines.

Scientific name: Junonia almana

English name : Peacock Pansy

Location : Buriganga river, mill barak area, Dhaka

Fig: Junonia almana , Uperside

                                                           

                                          

                                                     

                                       

                                     

                                               

                                             The adult butterfly has a wingspan of 54–62 mm (2.1–2.4 in), and exhibits seasonal polyphenism.

The caterpillars of Junonia almana feed on a variety of plants, including Hygrophila auriculata, Phyla nodiflora and species in the genera Acanthus, Barleria andGloxinia.

Leptosia nina

The Psyche is a small butterfly of the family Pieridae and is found in Southeast Asia and the Indian subcontinent. The upper forewing has a black spot on a mainly white background.

Scientific name: Leptosia nina

English Name : Psyche
Location: Bosila, Buriganga river, Dhaka

Fig. Leptosia nina

Upperside: white; base of wings very slightly powdered with minute black scales. Forewing: costa speckled obscurely with black; apex black, the inner margin of this inwardly angulate; a very large somewhat pear-shaped post-discal spot also black. Hindwing white, uniform; in most specimens an obscure, extremely slender, terminal black line.

Fish conservation : Puntius conchonius

Fish conservation : Puntius conchonius: Local Name :  Kachon punti English name : Rosy barb Fig: Puntius conchonius T he rosy barb is a subtropical freshwater fish belongin...

Puntius conchonius

Local Name :  Kachon punti
English name : Rosy barb

Fig: Puntius conchonius

The rosy barb is a subtropical freshwater fish belonging to the minnow family. It originates in Bengal, India and other parts of Southeast Asia.
This pinkish fish is one of the larger species of Barbs growing up to 6 inches (14 cm) in length. Their color becomes bolder during their mating periods. The male has a brighter pinkish color and the female is slightly plumper. Also note that females do not have any B.L.A.C.K color in their fins while males do. They may weigh up to 12 oz when fully grown but can weigh much less during adolescence. They are mature at 2.5 inches