REFERENCES

 

1.      Abu, G.O. and Egenonu C.  2008. The current pollution status of the New Calabar River in the Niger Delta region of Southern Nigeria: A survey of antibiogram profiles of its bacterial isolates.  African Journal of Environmental Science and Technology Vol. 2 (6), pp. 134-141

 

2.      Agbugui, M. O. and Deekae, S.N. 2014. Assessment of the Physico-chemical Parameters and Quality of Water of the New Calabar-Bonny River, Porthacourt, Nigeria. Cancer Biology 2014;4(1):1-9

 

3.      Al-Hussaini, A.H. (1947). The feeding habits and the morphology of the alimentary tract of some teleosts living in the neighborhood of the Marine Biological Station, Ghardaga, Red Sea. Publication of Marine Biological Station, Ghardaga, Red Sea, 5(1947):1-61.

 

4.      Atama, C.I., Okeke, O.C., Ekeh, F.N., Ezenwaji, N.E., Onah, I.E., Ivoke, N., Onoja, U.S., and Eyo, J.E., 2013, Length-weight relationship and condition factor of six cichlids (Cichlidae perciformes) species of Anambra river, Nigeria. Journal of Fisheries and Aquaculure, 4(2):82–86.

 

5.      Azua, E.T., Akaahan, T.J., and Akogwu, S.A., 2017, Variation in the morphometry measurements of two Tilapia fish species in relation to their body weight obtained from Lower Benue River at Makurdi, Benue State Nigeria. Fisheries and Aquaculture Journal, 8: 208. doi: 10.4172/2150-3508.10002.

 

6.      Bhatt, D.M., and Mankodi, P.C., 2020, Diversity record of family mugilidae (Curvier, 1829) from estuary of Sabarmati River, Gujarat, India. Journal of Biological Studies, 3(2): 58-68.

 

7.      Carlander, K.D., 1969, Handbook of Freshwater Fishery Biology. The Iowa State University Press; Ames, IA.  p. 752.

 

8.      Chukwu, O. K., 2019, Population Biology of the Sleeper fish Eleotris vittata from New Calabar River, Port Harcourt, Nigeria. Research & Reviews: Journal of Ecology, 2019: 8(2): 28–31p.

 

9.      Dan-Kishiya, A.S., 2013, Length-weight relationship and condition factor of five fish species from a tropical water supply reservoir in Abuja, Nigeria. American Journal of Research Communication, 1(9):175–178.

 

10.   Dankwa, H.R., J. Blay Jr, and Yankson, K. (2005). Food and Feeding Habits of Grey Mullets (Pisces: Mugilidae) in Two Estuaries in Ghana. West African Journal of Applied Ecology, 8(1): 65-77.

 

11.   Dickson, S. A., and Victor, R.P., 1999, Influence of land use on species diversity and abundance. Niger Delta, Nigeria.

 

12.   Dienye, H.E., and Woke, G.N., 2015, Pysico-chemical Parameters of the Upper and Lower Reach of the New Calabar River Niger Delta. Journal of Fisheries and Livestock Production, 3:154. doi:10.4172/2332-2608.1000154.

 

13.   Dienye, H.E., Olopade, O.A. & Ogbonnaya, I.J. (2019). Diversity and abundance of the family Mugilidae in the New Calabar River, Nigeria Ege Journal of Fisheries and Aquatic Sciences, 36(3), 313-318.

 

14.   Edema, C. U. and Aiguobasinmwin, M. O. (2007). Determination of intestine length to standard length ratio of some fishes from the Ikpoba River and Ovia River, Nigeria with a review of culture of Parachanna obscura (Pisces: Channidae). In: Araoye, P. A., Adikwu, I. A. and Banke, R. O. K. (Eds). Proceedings of the 22nd Annual Conference of Fisheries Society of Nigeria (FISON), pp.106- 112.

 

15.   Edema, C. U. and Ojeh, P. A. (2006). A study of ratio of intestine length to body length in fish species from the Okhuo River, Nigeria. In: Enin, U. I., Chukwu, E. I., Ajah, P. O., Ama-Abasi, D. A. and Nwosu, F. M. (Eds). Proceedings of the 21st Annual Conference of Fisheries Society of Nigeria. (FISON), pp. 123- 128.

 

16.   Famoofo, O.O., and Abdul, W.O., 2020, Biometry, condition factors and length-weight relationships of sixteen fish species in Iwopin fresh-water ecotype of Lekki Lagoon, Ogun State. Heliyon,  6 (2020): e02957.

 

17.   Gatso, B.U., Abdullahi, J.M., and Yola, I.A., 2017, Length-weight relationship and condition factor of Clarias gariepinus and Oreochromis niloticus of Wudil River, Kano, Nigeria. Agro-Science. 16(1):1–4.

 

18.   German, D. P., and. Horn, M. H., 2006, Gut length and mass in herbivorous and carnivorous prickleback fishes (Teleostei: Stichaeidae): ontogenetic, dietary, and phylogenetic effects. Marine Biology, 148:1123-1134.

 

19.   Getachew, T., and Fernado, C.H., 1989. The food habits of a herbiovorous fish
(Oreochromis niloticus) in Lake Awasa, Ethiopia. Hydobiologia, 174: 195-200.

 

20.   González, M.A., Rodriguez, J.M., Angón, E., Martínez, A., Garcia, A., and Peña, F., 2016. Characterization of morphological and meristic traits and their variations between two different populations (wild and cultured) of Cichlasoma festae, a species native to tropical Ecuadorian rivers. Archives of Animal Breeding, 59:435–444.

 

21.   Hyslop, E.J., 1980. Stomach contents analysis-a review of methods and their application. Journal of Fish Biology, 17: 411-429.

 

22.   Ibim A.T., Gogo, O.O., and Igbani, F., 2016,. The Ichthyofaunal Assemblage of the Lower and Upper Reaches of New Calabar River, Rivers State, Niger Delta, Nigeria, Journal of Environment and Earth Science, 6(9): 186-197.

 

23.   Kapoor, B.G., Smit, H., and Verighina, A.I., 1975, The alimentary canal and digestion in teleosts. Advances in Marine Biology, 13:109–239.

 

24.   Karachle, P.K., and Stergiou, K.I., 2010, Intestıne morphometric of fıshes: A compilation and analysis of bibliographic data. Acta Ichthyologica et Piscatoria, 40(1): 45–54.

 

25.   Khayyami, H., Zolgharnein, H., Negin, S., and Abdolali, M., 2015, Morphological variability of Mugil cephalus (Linnaeus, 1758) from Bandar Abbas Port and Qeshm Island in Northeastern Persian Gulf. International Journal of Pure and Applied Zoology, (3) 2: 103-112.

 

26.   Kolawole-Daniels, A.O., Fola-Mathews, O. O., and Nicholas, E., 2017. Comparative study on length weight relationship of the grey mullet Mugil cephalus (Linnaeus 1758) and sickle fin Liza falcipinnis (Valenciennes, 1836) from Lagos Lagoon, Nigeria. International Journal of Fisheries and Aquatic Studies, 5(5): 17-20.

 

27.   Kramer, D.L. and Bryant M.J., 1995, Intestine length in the fishes of a tropical stream. 1. Ontogenetic allometry. Environmental Biology of Fishes, 42: 115–127.

 

28.   Kurton, M.P., and Adeniyi, B.T., 2014. Morphological variations of Tilapia guineensis (Bleeker 1862) and Sarotherodon melanotheron (Ruppell1852) (Pisces: Cichlidea) from Badagry and Lagos lagoon, South-West, Nigeria. J Fisheries Livest Prod 2: 112. doi: 10.4172/2332-2608.100011.

 

29.   Lawson, E.O., 1991, Biology of the Grey mullet, Mugil cephalus, L. in Lagos lagoon, Nigeria. M.Sc dissertation, University of Lagos, Nigeria. 1991, 88

 

30.   Motta, P.J., 1988. Functional morphology of the feeding apparatus of ten species of Pacific butterfly fishes (Perciformes, Chaetodontidae), an ecomorphological approach. Environmental Biology of Fishes, 22:39.67.

 

31.   Nwadiaro, C. S., and Ayodele, R.O.O., 1992, Contribution to the biology of Sarotherodon melanotheron in the New Calabar River (Nigeria). Acta hydrobiologia,. 34(3): 287-300.

 

32.   Nwineewii, Jack Dumka and  Unochukwu Peace U.G. 2018. An  Evaluation  of  the  Level  of  Some  Physicochemical  Parameters  in  the  New Calabar River, Rivers State, Nigeria. The Pharmaceutical and Chemical Journal, 2018, 5(3):135-142.

 

33.   Obasohan, E.E., Obasohan, E.E., Imasuen, J.A., and Isidahome, C.E., 2012, Preliminary studies of the length-weight relationships and condition factor of five species from Ibiekuma stream, Ekpoma, Edo state, Nigeria. Journal of Agricultural Research and Development, 2:061–069.

 

34.   Olori, O. O., 1995, The Nature and Relative Abundance of Fish in the New Calabar River, Choba, Rivers State. Pp 26.

 

35.   Olsson, J., Quevedo, M., Colson, C., and Svanback, R., 2007, Gut length plasticity in perch: into the bowels of resource polymorphisms. Biological Journal of the Linnean Society, 90:517-523.

 

36.   Olufeagba, S.O., Aladele, S.E., Okomoda, V.T, Sifau, M.O., Ajayi, D.A., Oduoye, O.T., Bolatito, O.A, Nden, D.S,, Fabunmi-Tolase A.S. and Hassan, T. 2015. Morphological Variation of Cichlids from Kainji Lake, Nigeria. Journal of FisheriesSciences.com, 9(3): 070-080.

 

37.   Olurin, K.B., and Aderibigbe O.A., 2006, Length-weight relationship and condition factor of pond reared Oreochromis niloticus. World Journal of Zoology, 1(2):82–85.

 

38.   Onojake, M.C., Sikoki, F.D., Omokheyeke, O. and Akpiri, R.U. 2017. Surface water characteristics and trace metals level of the Bonny/New Calabar River Estuary, Niger Delta, Nigeria. Appl Water Sci 7, 951–959 (2017).

 

39.   Pauly D., Gayanilo F.C., Jr. 1997. An Alternative Approach to Estimating the Parameters of a Length-Weight Relationship from Length Frequency Samples and their Bulk. NAGA ICLARM.

 

40.   Pauly, D., 1984. Fish population dynamic in tropical waters: a manual for use with programmable calculators. Naga ICLARM Quarterly, 5-95.

 

41.   Raj, S., Kumar, A.B., and Abraham, K.M., 2016. Length-weight and length-length telationship of invasive alien Species, Oreochromis niloticus from lentic habitats of Palakkad District, Kerala. Journal of Aquatic Biology and Fisheries, 4: 41-146.

 

42.   Ribble, D.O., and M.H. Smith. 1983. Relative intestine length and feeding ecology of freshwater fishes. Growth, 47:292‑300.

 

43.   Solomon, S.O., Okomoda, V.T. and Ogbenyikwu, A.I., 2015. Intraspecific morphological variation between cultured and wild Clarias gariepinus (Burchell) (Clariidae.; Siluriformes). Arch. Pol. Fisheries, 23: 53–61.

 

44.   Stergiou, K.I., and Moutopoulos, D.K., 2001, A review of length-weigth relationships of fishes from Greek marine waters. Naga ICLARM Quarterly, 24 (1-2): 23–39.

 

45.   Thomas, J., Venus, S.D., and Kurup, B.M., 2003, Length-weight relationship of some deep sea fishes inhabiting the continental slope beyond 250m depth long west coast of India Naga. ICLARM Quarterly, 26:17–21.

 

46.   Turan, C., Erguden, D., Turan, F., and Gurlek, M., 2004, Genetic and morphologic structure of Liza Abu (Heckel, 1843) populations from the Rivers Orontes, Euphrates and Tigris. Turkish Journal of Veterinary and Animal Science, 28:729–734

 

47.   Umaru, J.A., Annune, P.A., Cheikyula, J.O., and Okomoda, V.T., 2015. Some biometricparameters of four selected fish species in doma Dam, Nassarawa state, Nigeria. International Journal of Aquatic Sciences, 5 (31): 1–7.

 

48.   Uzukwu, P.U. and Leton, T.C. and Jamabo, N.A. (2013) Survey of physical characteristics of the upper reaches of new Calabar River, Niger Delta, Nigeria. In: 28th Annual Conference of the Fisheries Society of Nigeria (FISON) , 25-29 Nov 2013 ,Abuja, Nigeria, pp. 206-210.

 

49.   Valikhani, H., Abdoli, A., Kiabi, H.B and  Nejat, F. 2016. First record and distribution of the blue tilapia, Oreochromis aureus (Steindachner, 1864) (Perciformes: Cichlidae) in inland waters of Iran. Iran. J. Ichthyol. (March 2016), 3(1): 19–24.

 

50.   Wagner, C. E., McIntyre, P. B., Buels, K. S., Gilbert, D. M. and Michel. E., 2009, Diet predicts intestine length in Lake Tanganyika's cichlid fishes. Functional Ecology, 23:1122-1131.

 

51.   Zandonà, E., Auer, S.K., Kilham, S.S., and Reznick, D.N., 2015. Contrasting Population and Diet Influences on Gut Length of an Omnivorous Tropical Fish, the Trinidadian Guppy (Poecilia reticulata). PLoS ONE 10(9): e0136079. doi:10.1371/journal. pone.0136079.