Lampocteis need to be able to conceal their stomach in order to prevent their prey from lighting them up from the inside, effectively revealing its location. Specimens examined have ranged between 1.5 and 16 centimeters in length and 1.2 to 10 centimeters in width.
Lampocteis must conceal their stomachs to prevent being illuminated from the inside by their prey, which would reveal their location. The specimens examined have lengths ranging from 1.5 to 16 centimeters and widths from 1.2 to 10 centimeters.