Characidium rex Characidium rex. Holótipo ANSP 75949 Copyright©: Kyle R. Luckenbill, Academy of Natural Sciences Characidium rex. Holótipo ANSP 75949 Copyright©: Kyle R. Luckenbill, Academy of Natural Sciences Characidium rex. Holótipo ANSP 75949 Copyright©: Kyle R. Luckenbill, Academy of Natural Sciences Characidium rex. Holótipo ANSP 75949 Copyright©: Kyle R. Luckenbill, Academy of Natural Sciences