A Review of Length-Weight Relationship, Condition Factors and Fisheries Status of Flatfishes from Different Geographical Areas
A Review of Length-Weight Relationship, Condition Factors and Fisheries Status of Flatfishes from Different Geographical Areas
Wajid Ali1, Asadullah Ali Muhammad2, Ying Chen1 and Jie Qi1*
ABSTRACT
The length-weight relationship (LWR) of flatfishes from various coasts worldwide was reviewed. Descriptive statistics, condition factors, and fisheries data were analyzed and compared across regions. Additionally, their growth patterns were discussed in relation to Geographical variations. Published research suggests diverse range of flatfishes over the globe. Highest estimated R2=99 found from many species which expresses positive growth however the lowest was obtain R2=49 in Cynoglossus punticeps from Pakistan and the highest b value was found 3.648 in Buglossidium luteum from Spain and lowest b value was 1.041 in Citharichthys stampflii from Africa. The highest condition factor (3.557) was observed in Citharichthys stampflii from Africa, while the lowest condition factor (0.05) was recorded in Cynoglossus lingua from Bangladesh. Fish length-weight variations are influenced by plenty biological factors such as regional bases, genetics, age, food availability, salinity, water quality and temperature, as well as environmental factors. Some other important factors including habitat conditions, health status. Moreover, human activities like overfishing and aquaculture practices can impact growth patterns.
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