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International Journal of Fisheries and Aquatic Studies
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(ICV-Poland) Impact Value: 76.37, Impact Factor: RJIF 5.69
E-ISSN: 2347-5129, P-ISSN: 2394-0506

International Journal of Fisheries and Aquatic Studies

2018, Vol. 6, Issue 3, Part B

Biological association of the blue crab (Callinectes amnicola: De Rochebrune, 1883) with invertebrate organisms in the Great Kwa River, Southeastern Nigeria


Author(s): Oku EE, Andem AB, Paul GA and Job BE

Abstract: Investigations were conducted on biological association of the blue crab Callinectes amnicola with invertebrates’ organisms in the Great Kwa River, from July 2016 to September 2016. Results of the investigation revealed that four barnacle species namely Balanus glandula, Chthamallus dalli, Chthamallus stellatus and Semibalanus balanoides were in common association with the crab. Total of 15 (30.61%) Balanus glandula were observed to be in association with the crab in, 12 (31.58%) in August and 14 (30.43%) in September. Chthamallus dalli had 11 individuals (22.45%) in July, with 8 (21.05%) in August and 10 (21.74%) in September. In July, 13 (26.53%) of Chthamallus stellatus were observed on the crabs with 11 (28.95%) in August and 9 (19.57%) in September, while Semibalanus balanoides had 10 individuals (20.41%) in July with 7 (18.42%) in August and 13 (28.20%) in September. A hairy macro-algae in the Chrysophyceae family was also observed to symbiotically associate with the crab particular where the larval stages of the various barnacle species were found.

Pages: 103-107  |  230 Views  12 Downloads

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How to cite this article:
Oku EE, Andem AB, Paul GA and Job BE. Biological association of the blue crab (Callinectes amnicola: De Rochebrune, 1883) with invertebrate organisms in the Great Kwa River, Southeastern Nigeria. International Journal of Fisheries and Aquatic Studies. 2018; 6(3): 103-107.
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