Abstract
For pelagic fish, length and weight measurements are common in aquaculture facilities to determine growth rates and rearing stocking densities. Body surface area is required to estimate stocking densities in the case of demersal fish species such as California halibut (Paralichthys californicus). Using image analysis processing technology allowed for the first time to determine body surface area (BSA) and total surface area (TSA) for reared California halibut in a range from 0.77 to 270 g. Flatfish biometric data were obtained using image analysis software with minimal handling and without causing any harm to the animals. Relationships between total length and wet weight versus total surface area (TSA) and body surface area (BSA) are reported for California halibut under farm-like conditions.
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