Endoparasitic Helminths of the Upside-Down Catfish, Synodontis Membranaceus (Geoffroy Saint Hilarie) in Jebba Lake, Nigeria

Owolabi, Olufemi D.

doi:10.3923/ijzr.2008.181.188

Cited by 14 publications

(13 citation statements)

References 8 publications

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“…In this study, the distribution of gastrointestinal helminth parasites in the fishes showed a clear preference for the intestine and stomach as sites of attachment which could be attributed to the availability of food in these regions. The highest prevalence of parasites in the intestine implies that it is a more preferred predilection site; this could be due to the favourable conditions that enhance their survival (Owolabi, 2008). Similar finding were reported by Auta et al (1999) and Emere (2000), Aliyu & Solomon (2012).…”

Section: Discussionsupporting

confidence: 80%

“…The nematodes were recovered from both the stomach and intestine, whereas the cestode showed preference for the intestine. Nematodes have relatively developed alimentary canal and could easily move around any area of the host alimentary canal to feed on digested and semidigested food, whereas, cestodes lack alimentary system and are dependent on digested food of the host which is then absorbed through the body surfaces (Owolabi, 2008). These could probably account for their preference for these sites.…”

Section: Discussionmentioning

confidence: 99%

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Prevalence of gastrointestinal helminth parasites of <i>Clarias gariepinus</i> in Abuja, Nigeria

Sm¹,

God'spower²,

Balarabe³

et al. 2016

Sokoto J. Vet. Sc.

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This study was conducted to determine the prevalence of gastrointestinal helminth parasites in Clarias gariepinus with the view of quantifying its helminthic burden in Abuja. The study was carried out in three area Councils of Abuja, Nigeria, between the months of April and August 2015. A total of 83 live fishes (Clarias gariepinus) which includes 28 males and 55 females were randomly purchased from local fishermen and were subjected to examination for gastrointestinal helminth parasites. The lengths and weights of the fishes were measured prior to dissection and the parasites recovered were identified. Results indicated that 56 of the examined fishes were infected with various species of helminth parasites, giving a prevalence of 67.5%. Parasites were identified as Procamallanus laevionchus (32.5%), Rhabdochona congolensis (18.1%), Polyonchobothrium clariae (10.8%), Allocraedium species. (3.6%) and Heterophyid flukes (2.4%). The highest prevalence was recorded for nematodes (50.6%) followed by cestodes (10.8%) and trematodes (6.0%). Worthy of note, was the recovery of Heterophid flukes in this study which have not been previously reported in Nigeria and pose a great zoonotic threat. It was observed that fishes of standard length range of 20-30cm (82.4%) were more infected than those of 30-40cm (65.0%) and 40-50cm (61.5%). The highest prevalence of infection (78.6%) was recorded in fishes with body weight of 500-600g while the lowest (58.8%) was recorded in fishes with body weight of 600-700g. The males had higher percentage prevalence (67.9%) than the females (67.3%). The result of the study indicated that the association (P˂0.05) between the prevalence of infection, sex, length and weight of the host was not statistically significant (χ 2 = 0.00289, 2.24 and 1.55; degree of freedom= 1, 2 and 5 respectively). The helminths recovered were found to parasitize the stomach and intestinal lumen, the latter being more affected.

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Section: Discussionsupporting

confidence: 80%

Section: Discussionmentioning

confidence: 99%

Prevalence of gastrointestinal helminth parasites of <i>Clarias gariepinus</i> in Abuja, Nigeria

Sm¹,

God'spower²,

Balarabe³

et al. 2016

Sokoto J. Vet. Sc.

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“…The endoparasite encountered in seven species of bagrid fishes have been implicated as causative agent of various debilities in several fish species in tropical freshwater. This is in line with the findings of Owolabi (2008). Injuries associated with points of attachment of these endoparasites among many fishes also serve as entry point for secondary infection with opportunistic bacteria and fungi and thereby compromising the health status of their host.…”

Section: Relationship Between K-factor and Parasitic Infections In Basupporting

confidence: 88%

Parasites of Freshwater and Condition Factor of Bagrid Fishes in Anambra River Basin, Nigeria

Okpasuo¹,

Ezenwaji²,

Onah³

et al. 2016

Int. J. Pharm. Biol. Sci.

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“…Omnivory or euryphagy is a characteristic feature of ubiquitous fishes (Lowe-McConnell 1975, Welcomme 1979, 1985 and explains S. membranaceus's wide distribution, a phenomenon reported also for other mochokid catfishes (Olatunde 1989, Owolabi and Omotosho 1999, Araoye and Jeje 1999. Therefore the overwhelming presence of S. membranaceus in Jebba lake appears to be consequent on the wide variety and adaptiveness to whatever natural diets that are present in the lake; and coupled with the potential for rapid growth impetus and high fecundity (Owolabi 2005) make S. membranaceus suited for culture in freshwater ponds.…”

Section: Discussionmentioning

confidence: 99%

“…They command a higher market value than other species of the genus. In Jebba lake, S. membranaceus is the dominant species, occupying unique and prominent position in the commercial fisheries of the lake (Owolabi 2005). It is highly relished either fresh or smoke-dried.…”

mentioning

confidence: 99%

The dietary habits of the upside-down catfish, Synodontis membranaceus (Osteichthyes: Mochokidae) in Jebba lake, Nigeria

Owolabi¹

2007

RBT

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Dietary habits of the up side-down Mochokid catfish, Synodontis membranaceus were investigated for 24 months (April 2002-March 2004, in Jebba lake, Nigeria) using frequency of occurrence, numerical, gravimetric and index of relative importance (RI) methods. The fish is euryphagus and feeds more at night. RI values indicate that 10 of the 16 food items were major diet components. The main five food categories are detritus (10.64 %), Aspatharia (9.08 %), plant parts (8.85 %), seeds (8.61 %) and Spirogyra (8.43 %), while the 5 less prominent food categories were gastropods (7.05 %), insect appendages (6.88 %), copepods (6.31 %), adult Povilla adusta (5.89 %) and coleoptera larvae (5.36 %). The remaining six food items, dragon flies, P. adusta larvae, chironomid larvae, Daphnia, water mites and fish scales had RI values considerably under 5 %. The prominence of detritus in the diet indicated that the fish is a bottom or benthic feeder. The wide variability in food supply enables S. membranaceus to maintain its overwhelming prominence in Jebba lake, and its euryphagus habit makes it suited for pond culture. Rev. Biol. Trop. 56 (2): 931-936. Epub 2008 June 30.

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Endoparasitic Helminths of the Upside-Down Catfish, Synodontis Membranaceus (Geoffroy Saint Hilarie) in Jebba Lake, Nigeria

Cited by 14 publications

References 8 publications

Prevalence of gastrointestinal helminth parasites of <i>Clarias gariepinus</i> in Abuja, Nigeria

Prevalence of gastrointestinal helminth parasites of <i>Clarias gariepinus</i> in Abuja, Nigeria

Parasites of Freshwater and Condition Factor of Bagrid Fishes in Anambra River Basin, Nigeria

The dietary habits of the upside-down catfish, Synodontis membranaceus (Osteichthyes: Mochokidae) in Jebba lake, Nigeria

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