Ocean acidification is considered one of the biggest threats to marine biodiversity. Some studies quantified sensitivity to acidification in embryos of teleost fishes, however, we have little insight into the consequences of high pCO₂ levels on elasmobranchs embryos. Oviparous elasmobranchs may be particularly vulnerable to elevated pCO₂ as their embryonic development is relatively slow and they may be exposed to acidic conditions for a prolonged period of time before they hatch. Even though several studies showed impairment in fish behavior across major life stages, there is still a need to quantify fine-temporal shifts in behavior and metabolism throughout development. We present a detailed timeline of the prolonged effects of ocean acidification throughout the development of a tropical shark, the brown-banded bamboo shark (Chiloscyllium punctatum), reared under current and projected scenarios of ocean acidification for years 2100 and 2300 (approx. pCO₂ = 1100 and 2000 µatm, respectively). In particular, we present data on the effects of ocean acidification on embryonic metabolic rates at rest and during activity, general behavior and activity over time, ventilation rates, and tail beat frequency (Hz) taken across the developmental period. Additionally, we focus on important milestones in the development of bamboo sharks such as the formation of gill filaments, fins, and skin pigmentation. This study is crucial to obtain a deeper understanding of elasmobranch vulnerability to future ocean acidification during early life stages.