MORPHOLOGICAL OBSERVATION AND LENGTH-WEIGHT  RELATIONSHIP OF THREATENED NONDI BALE Paragobiodon echinocephalus (Rüppell, 1830)

Shikder Saiful  Islam; Sadia  Ashrafi; Md. Saifuddin  Shah; Mohammad Saifuddin  Sumon; Md. Rayhan  Ali

doi:10.53808/KUS.2016.13.1.1507-L

Authors

Shikder Saiful Islam Fisheries and Marine Resource Technology Discipline (FMRT), Khulna University, Khulna 9208, Bangladesh
Sadia Ashrafi Fisheries and Marine Resource Technology Discipline (FMRT), Khulna University, Khulna 9208, Bangladesh
Md. Saifuddin Shah Fisheries and Marine Resource Technology Discipline (FMRT), Khulna University, Khulna 9208, Bangladesh
Mohammad Saifuddin Sumon Fisheries and Marine Resource Technology Discipline (FMRT), Khulna University, Khulna 9208, Bangladesh
Md. Rayhan Ali Fisheries and Marine Resource Technology Discipline (FMRT), Khulna University, Khulna 9208, Bangladesh

DOI:

https://doi.org/10.53808/KUS.2016.13.1.1507-L

Keywords:

Paragobiodon echinocephalus, length-weight relationship, growth, condition factor, hepatosomatic index

Abstract

The study describes the length-weight relationship, length-length relationship, condition factor and hepato-somatic index of Paragobiodon echinocephalus. Forty samples were collected from Mongla at Bagerhat, Bangladesh. Total length, standard length, body weight and liver weight were measured by standard units. The body weight showed a positively correlation with total length and standard length with the regression equation of BW = 2.05TL-9.35 (r²= 0. 89) and BW = 2.30SL -8.55 (r²= 0.85) respectively. Total length and standard length were found highly correlated with the regression equation of SL = 1.11TL + 0.48 (r² = 0.93). A weak positive correlation was observed between body weight and liver weight with the r² value of 0.15. Hepato-somatic index showed very weak correlation with condition factor (r²= 0.01), indicating that the species is in an endangered condition. The b values indicated negative allometric growth pattern which ranged from 2.05 to 2.30 (b<3) for body weight with total length, standard length and hepato-somatic index & condition factor relationship. Whereas, positive allometric growth was observed in case of liver weight and body weight relationship (b= 12.41). This study suggests that necessary steps need to be taken for the improvement of physiological and ecological conditions for higher growth and better survival of
P. echinocephalus.

Downloads

Download data is not yet available.

References

Alam, M.J.; Kamal, D. and Kader, M.A. 1997. Fecandity of the gangenic Anchovy Setipina phasa (Hamilton-Buchanan) from the Bay of Bengal. J. Asia. Soc. Bangladesh Sci. 2391:1-8

Al-Dubakel, A.Y.; Jenna, N. and Abdullah, J.N. 2006. Relationship of body size with some body structures of three young marine fish species collected from Khor AlZubair, Iraq. Anales de Biología 28: 95-99

Al-Noor, S.M. 2013. Length–length and length-weight relationships of critically endangered striped cat fish Rita rita (Hamilton) from the Padda River near Rajshahi of Northwestern Bangladesh. IOSR Journal of Pharmacy and Biological Sciences 4(6): 32-36

Craig, J.F.; Halls, A.S.; Barr, J.J.F. and Bean, C.W. 2004.The Bangladesh floodplain fisheries. Fisheries Research 66: 271-286

DoF 2012. Fisheries Statistical Year Book of Bangladesh 2011-2012.Ministry of Fisheries and Livestock, Bangladesh. Department of Fisheries (DoF) 26(1):41

Erzini, K. 1994. An empirical study of variability in lengthat age of marine fishes. Journal of Applied Ichthyology 10: 17-41

FRI 1991. Population dymamics and stock assessment studies of Kaptai Lake. Annual Progress Report (1989-90). Fisheries Research Institute, Dhaka. pp. 40

Fulton, T.W. 1902. The rate of growth of fishes. 20th Annual Report of the Fishery Board of Scotland 3: 326-446

Hossain, M.Y.; Ohtomi, J.; Ahmed, Z.F.; Ibrahim, A.H.M. and Jasmine, S. 2009. Lengthweight and morphometric relationships of the tank goby Glossogobius giuris(Hamilton, 1822) (Perciformes: Gobiidae) in the Ganges of Northwestern Bangladesh. Asian Fisheries Science 22(3): 961-969

Hossain, Y. 2010. Morphometric Relationships of Length-Weight and Length-Length of Four Cyprinid Small Indigenous Fish Species from the Padma River (NW Bangladesh). Turkish Journal of Fisheries and Aquatic Sciences 10: 131-134

Joadder, R.A. 2009. Length-weight relationship and condition factor (kn) of Gobi, Glossogobius giuris (Hamilton) from ‘Atrai River’ in the Northern part of Bangladesh. Journal of Fisheries International 4(1): 1-4

Kalayc, F.; Samsun, N.; Bilgin, S. and Samsun, O. 2007. Length-Weight Relationship of 10 Fish Species Caught by Bottom Trawl and Midwater Trawl from the Middle Black Sea, Turkey. Turkish Journal of Fisheries and Aquatic Sciences 7: 33-36

Kumar, K.; Lalrinsanga, P. L. and Sahoo, M. 2013. Length-weight Relationship and Condition Factor of Anabas testudineus and Channa Species under Different Culture Systems. World Journal of Fish and Marine Sciences 5 (1): 74-78

LeCren, E.D. 1951. The length- weight relationship and seasonal cycle in gonad weight and condition in the perch (Perch fluviatilis). Journal Animal Ecology 1(20): 201-219

Morato, T.; Afonso, P.; Loirinho, P.; Barreiros, J.P.; Sanstos, R.S. and Nash, R.D.M. 2001. Length-weight relationships for 21 costal fish species of the Azores, Northeastern Atlantic. Fisheries Research 50: 297-302

Panicker, B.A.; Katchi, V.I. and Gore, B.M. 2013. Morphometry and Length-weight Relationship of Goby, Parachaeturichthys ocellatus (Day 1873) from Malad creek, Mumbai. International Journal of Engineering Science Invention 2(7): 86-96

Sadekarpawar, S. and Parikh, P. 2013. Gonadosomatic and Hepatosomatic Indices of Freshwater Fish Oreochromi smossambicus in Response to a Plant Nutrient. World Journal of Zoology 8 (1): 110-118.