Length-weight relationship, condition factor and size composition of Periophthalmus barbarus (Linneaus 1766 ) in New Calabar River, Nigeria

Chukwu, K. O.; Deekae, S. N.

doi:10.5251/abjna.2011.2.7.1069.1071

Cited by 11 publications

(8 citation statements)

References 5 publications

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“…This study also shows P. chrysospilos in Bayan Bay having a better body condition in rainy months compared to dry months. However, this finding was different to Periophthalmus barbarus condition factor (Chukwu & Deekae 2011;King & Udo 1998) where the body condition factor was similar in both dry and wet seasons. Fish body condition index could fluctuate and influence by various factors such as seasonal changes, maturity, availability of food resources and reproductive behaviors (Baeck & Park 2015;Froese 2006;Le Cren 1951).…”

Section: Discussioncontrasting

confidence: 82%

Length-Weight Relationships, Condition Factor and Growth Parameters of Periophthalmus chrysospilos (Bleeker, 1852) (Gobiiformes: Gobiidae), in Bayan Bay, Penang, Malaysia

Abdullah¹,

Zain²

2019

JSM

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This study reports the length-weight relationships (LWR), body condition factor (K n) and growth parameters of Periophthalmus chrysospilos in Bayan Bay of Penang, Malaysia. The values of exponent b for all categories of fish were higher than 3 indicating a positive allometric growth. The mean condition factor (K n) for all categories of fish also higher than 1 which reflect the well beings of fish in the study area. The b values of LWR and condition factors for male was similar to female fish, but the b values of LWR and condition factors were significantly higher in rainy months compared to the dry months. The parameters of population dynamic show the asymptotic length (L∞) of 13.20 cm, growth coefficient (K) of 0.68 year-1 , growth performance index (Ø') of 2.074, total mortality (Z) of 2.47 year-1 , and fishing mortality (F) of 0.70 year-1. The exploitation level (E) was 0.28 year-1 indicating of low exploitation and estimation of length at first capture was 7.69 cm. The annual recruitment pattern of P. chrysospilos was recruited in two peaks per year.

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Section: Discussioncontrasting

confidence: 82%

Length-Weight Relationships, Condition Factor and Growth Parameters of Periophthalmus chrysospilos (Bleeker, 1852) (Gobiiformes: Gobiidae), in Bayan Bay, Penang, Malaysia

Abdullah¹,

Zain²

2019

JSM

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“…It suggests that both male and female fish lived well in environmental conditions of this study area, and sexual maturation did not affect on the K values of this fish. Similar to the present study results, the K values of Periophthalmus barbarus were not significantly different between dry and wet seasons [3,19]. The K values of Ilisha melastoma in Pakistan, however, is affected by fish sexual developmental stages [22].…”

Section: Length-weight Relationships and The Growth Patternsupporting

confidence: 78%

“…2). The similar monthly fluctuation of the K factor was observed in I. melastoma [22], Periophthalmus barbarus [3,19], and P. serperaster [29]. The P. schlosseri in this study assumed to live above the average condition as its K value (1.02±0.01) was significantly higher than 1.0 (ttest, df=365, P<0.05).…”

Section: Length-weight Relationships and The Growth Patternmentioning

confidence: 53%

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Growth and body condition variation of the giant mudskipper Periophthalmodon schlosseri in dry and wet seasons

Dinh¹

2016

V J Bio

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ABSTRACT:This study provides information on the growth and body condition variation of the giant mudskipper Periophthalmodon schlosseri between gender and fish size during dry and wet seasons. A total of 367 fish specimens was collected along mudflat and mangrove forest in Tran De from May 2014 to April 2015. The sex ratio of this fish was nearly 1:1. This species showed isometric growth as its slope value was close to the standard threshold (= 3), and its length-weight relationship was similar in both dry and wet seasons. Although the condition factor of this mudskipper varied with seasonal change and fish size, it was similar in males and females and close to well-being value (= 1). These results indicated that this fish lives well and can become a potential fish for aquaculture in this area, and provides useful information for our knowledge to other gobiid fishes.

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“…Considering the fish samples together irrespective of location, the ranges of K obtained in this present research were 1.24-1.99 for Catfish and 1.5-3.7 for Tilapia. This indicates that the fish were in good condition [15].…”

Section: Condition Factormentioning

confidence: 86%

Length-Weight Relationship and Condition Factor of African Mud Catfish (Clarias gariepinus (Burchell 1822) and Tilapia (Oreochromis nilotica Linnaeus 1758) in Orashi River of Ogba/Egbema/Ndoni Lga of Rivers State, Nigeria

Okwodu

Okorie

Nwoke

2022

AJFAR

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Length-weight relationship and condition factor are important in fishery assessment studies since it provide information about the growth of the fish, its general wellbeing and fitness in aquatic habitat. LWRs for 2 fish species –Clarias gariepinus (Burchell 1822) and Oreochromis nilotica (Linnaeus 1758) collected from Orashi River were established and their growth condition was evaluated. The study was carried out from September 2019 to August 2020. The biometric measurement (length/weight) shows that the weight of the fish increased in proportion to its length as indicated by the slope (b) of the relationship. The mean value shows strong relationship because coefficient of determination (R2) is >0.5 and range from 0.795-0.985. Higher values of both length and weight were recorded for Catfish over Tilapia. The results indicated that almost all the fish sampled exhibited a positive allometric growth and trended to grow bigger. All relationship were statistically significant (p=0.05). The mean Fulton’s condition factor (K) of the fish range from Catfish (1.24-1.80) and Tilapia (1.5-3.7) in the 5 stations sampled. The result showed that Tilapia had a high mean range and therefore was in better conditions than the Catfish. This gives information on the food supply, timing and duration of breeding cycle. The indices may also be used in the general assessment of the “well being” of a fish [1]. Multiple comparison tests using Turkey Kramer showed that the condition factor of Catfish from Okwuzi (station 1) was significantly different from that of Ndoni and Omoku but Ebocha and Obrikom was not significantly different from each other. With regards to seasonal variation, dry season recorded higher values than rainy season.

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Length-weight relationship, condition factor and size composition of Periophthalmus barbarus (Linneaus 1766 ) in New Calabar River, Nigeria

Cited by 11 publications

References 5 publications

Length-Weight Relationships, Condition Factor and Growth Parameters of Periophthalmus chrysospilos (Bleeker, 1852) (Gobiiformes: Gobiidae), in Bayan Bay, Penang, Malaysia

Length-Weight Relationships, Condition Factor and Growth Parameters of Periophthalmus chrysospilos (Bleeker, 1852) (Gobiiformes: Gobiidae), in Bayan Bay, Penang, Malaysia

Growth and body condition variation of the giant mudskipper Periophthalmodon schlosseri in dry and wet seasons

Length-Weight Relationship and Condition Factor of African Mud Catfish (Clarias gariepinus (Burchell 1822) and Tilapia (Oreochromis nilotica Linnaeus 1758) in Orashi River of Ogba/Egbema/Ndoni Lga of Rivers State, Nigeria

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