Duck weeds are the group of floating plants belonging to the genera Lemna, Azolla and Wolffia (Singh and Mittal, 1999). But Das (1997) mentioned Lemna, Spirodela, Wolffia and Wolffiella genus as duck weeds. So far, a total of 34 species
Lutea sleeper, Eleotris lutea Day, 1876
Systematic position Phylum: Chordata Class: Actinopterygii (Ray-finned fishes) Order: Perciformes (Perches) Suborder: Gobioidei Family: Eleotridae (Eleotrididae; Sleepers) Subfamily: Eleotrinae Genus: Eleotris Species: E. lutea Synonyms: No synonyms Common/local names English: Lutea sleeper Bangladesh: Kuli (কুলি) Distributions: Bangladesh (Rahman, 1989 and
Spiketail paradisefish, Pseudosphromenus cupanus (Cuvier, 1831)
Systematic position Phylum: Chordata Class: Actinopterygii (Ray-finned fishes) Order: Perciformes (Perch-likes) Suborder: Anabantoidei (Labyrinthici, in part) Family: Osphronemidae (Gouramis) Sub-family: Macropodinae (Siamese fighting fishes, Paradisefishes) Genus: Pseudosphromenus Species: P. cupanus Synonyms Macropodus cupanus (Cuvier, 1831) Polyacanthus cupanus Cuvier, 1831 Polyacanthus
Bumblebee goby, Brachygobius nunus (Hamilton, 1822)
Systematic position Phylum: Chordata Class: Actinopterygii (Ray-finned fishes) Order: Perciformes (Perches) Suborder: Gobioidei Family: Gobiidae (Gobies) Subfamily: Gobionellinae Genus: Brachygobius Species: B. nunus Synonyms Gobius alcockii Annandale, 1906 Gobius bombayensis Annandale, 1919 Gobius nunus Hamilton, 1822 Common/local names English: Bumblebee
Exotic fish of Bangladesh: Angel, Pterophyllum scalare (Schultze, 1823)
The angelfish is a very popular tropical fish because of its unique shape and interesting personalities (Galib and Mohsin, 2011). This fish is naturally found in Amazon River, Africa and Guinea (Shammi and Bhatnagar, 2002; Saxena, 2003). Life span is
Ramsagar
The Ramsagar (রামসাগর) is a large dighi (tank) situated in the village Tejpur which is about 8 kilometers south of the Dinajpur town. It is a famous tourist spot in north-west Bangladesh under the care of Bangladesh Parjatan Corporation. It
Stinging catfish, Heteropneustes fossilis (Bloch, 1794)
Systematic position Phylum: Chordata Class: Actinopterygii (Ray-finned fishes) Order: Siluriformes (Catfishes) Superfamily: Siluroidea Family: Heteropneustidae (Saccobranchidae; Airsac catfishes) Genus: Heteropneustes Species: H. fossilis Common/local names English: Stinging catfish Bangladesh: Shing (শিং), Shinghi (শিংঘি) and Jiol (জিওল) India: Singee and Sheenee