Brycon hilarii produced in hapas: effects in allometric growth

Area of Science:

• Aquaculture
• Ichthyology
• Fish Biology

Background:

• Biometric evaluations are crucial for understanding fish growth dynamics.
• Brycon hilarii (piraputanga) is a species of interest for aquaculture.

Purpose of the Study:

• To determine the growth patterns of juvenile piraputangas (Brycon hilarii) in hapas.
• To analyze allometric growth parameters and the relative condition factor.

Main Methods:

• Juvenile piraputangas were reared in hapas for six months.
• Biometric characteristics (weight, length, head and body dimensions) were measured monthly.
• Allometric growth and relative condition factor were calculated using linear regression.

Main Results:

• Positive allometric growth was observed for weight in relation to total length, standard length, head height, head length, and body height.
• The relative condition factor for piraputangas was 1.00.
• All tested relationships were statistically significant (p < 0.05).

Conclusions:

• The study provides key allometric parameters for juvenile Brycon hilarii in hapa systems.
• A relative condition factor of 1.00 suggests favorable growth conditions.
• Positive allometric growth indicates healthy development in farmed piraputangas.