Survey of Researches in Life Sciences

With the financial support of Department of Science and Technology (DST), Government of India, New Delhi, Dr. Brijesh K. Dwivedi, the General Secretary, Bioved Research Scoiety, Allahabad, compiled a monumental work in Five Volumes, entitled ‘Survey of Researches in Life Sciences’. The said work incorporated contributions of various ‘Life Science’ workers, the Vol. I and II being purely devoted to […]

An Article from the pages of ‘Vigyan Paricharcha’

On the Occasion of ‘International Year of Chemistry, 2011’ and ‘International Year of Forests, 2011’ An Article from the pages of ‘Vigyan Paricharcha’ (विज्ञानं परिचर्चा)[Year 1, Issue 3, 2011]Entitled: ‘Apna Vigyan Gyan Badhaeeye’‘Enhance your knowledge about Science’अपना विज्ञान ज्ञान बढाए International Year of Chemistry (IYC, 2011):For the achievements of Chemistry and its contributions to the mankind, the year 2011 was […]

Teaching Tips: An Engrossing Segment

The ‘Life Line’ of Biology Neat and well-labeled Biological Diagrams Diagrams: “Concern for man and his fate must always form the chief interest of all technical endeavors. Never forget this in the midst of your diagrams and equations.” — ​Albert Einstein​ “Make big plans; aim high in hope and work, remembering that a noble, logical diagram once recorded will not […]

The Fish and Fish Diversity

THE ‘FISH’ [ = ‘Pisces’ in Latin; ‘Poisson’ in French; ‘Piscado’ in Spanish; ‘Pisce’ in Italian; ‘Fisch’ in German; ‘Machli’ in Hindi; ‘Matsya’ in Sanskrit etc.]: Fishes are a quite diverse heterogeneous assemblage and exhibit a phylogenetic continuity. To most biologists, the term ‘fish’ is not so much a taxonomic ranking as a convenient description for aquatic organisms as diverse […]

Lot 13: Field identification and segregation of species belonging to Genus Aspidoparia from Doon Valley.

Sort out small-sized silvery fishes with deciduous scales, blunt snout, eye almost in the middle of the head, dorsum (back of the body) brownish and some exuding more turmeric yellow mucous from below the rounded abdomen: ………… place them labeled as Aspidoparia sp. SEGREGATION OF GENUS/SPECIES BASED ON THE CRITERIA DECIDED IN THE FIELD FOR THE SAMPLE INDIVIDUALS OF LOT – […]

Lot 12 (PART I)

Sort out fish(es) with elongated cylindrical or compressed body with long caudal peduncle, deeply forked caudal fin, very large (somewhat hexagonal) to small scales, orange or yellowish or pinkish hue on the fins, shining silvery to dull grey or brown shades, etc.: …….. place them in one lot collectively labeled as Minnows or MinorCarps or Mahseers or Suckerfish etc, as […]

Lot 11: Field identification and segregation of Catfish species from Doon Valley.

The sorting of some fishes in the field / fresh market catches was made on the basis of the presence of considerably long filamentous extensions of skin around mouth (barbels) and absence of scales on the body (smooth skinned). They were placed under ‘Lot 11’, tentatively labeled as ‘CATFISHES’. Some important diagnostic features of ‘CATFISHES’ [Order: Siluriformes], to be segregated […]

Lot 10: Field Identification tips and segregation of Channa sp. (Snake Heads) [Lot 10] from Doon Valley and fresh market catches.

Sort out the fish which have long dorsal and anal fins and large scales on the body extending up to head: ……. place them labeled as Snake Heads or Murrels or Channids. The sorting of some fishes in the field / fresh market catches was made on the basis of long dorsal and anal fins and large scales on the […]

Lot 8: Identification tips for 3 Colisa and 1 Badis sp. from Doon Valley

Sort out the brightly or dull coloured, laterally compressed fish(es) with long spiny and soft-rayed dorsal and anal fins and obliquely running vertical bands or oblong spots on the sides: ……… place them labeled as either Trichogaster / Colisa / Badis sp. This ‘Lot’ has been found frequenting marshy weedy thickets along Suswa river in the Eastern Doon and Asan […]