科: Tetraodontidae
巧克力娃娃为鲀科鱼类，好奇大胆，会咬同缸鱼的鳍，原生分布于南亚（印度）。喙齿终身生长——硬壳猎物不是零食，而是必需品。成体约 2.6–3.9 cm，单养，留出巡游空间，适宜水温 22–28 °C。定期喂螺，牙口才不坏。
A Tetraodontidae species native to South Asia (India): Carinotetraodon travancoricus lives bottom-dwelling over estuaries and brackish shallows. Curious, bold and not to be trusted with tankmates' fins. Adults reach 2.6–3.9 cm. In a community tank it pairs well with Brackish companions where appropriate.
适合有一定经验的玩家。Curious, bold and not to be trusted with tankmates' fins；Singly, with room to patrol。
建议水温 22–28 °C，22–28 °C recorded range；Stable warm range。
成体 2.6–3.9 cm 左右，因其Bottom-dwelling的习性，25 L 以上的缸更合适。
Needs crunchy prey: snails and shellfish trim the ever-growing teeth。建议人工饲料搭配冷冻或活饵，保证多样性。
可以。Curious, bold and not to be trusted with tankmates' fins，适合与Brackish companions where appropriate — Match the salinity carefully混养。避开Slow or long-finned fish — Fins are trimmed on sight。
产地为南亚（印度），典型栖息地是Estuaries and brackish shallows，对溶氧要求一般。
Spawning reported rarely; courtship on the substrate。Unclear。