He makes an annual appearance at the Mooneyes Xmas party. The higher classification of the mooneyes is not yet fully established. Mooneyes inhabit clear river and lake environments. Adult mooneyes reach an average length of . Only the somewhat diverse "bone-tongues" (Osteoglossiformes) and two species of mooneyes (Hiodontiformes) remain. Mooneyes are endemic to eastern North America. Each spring, adult mooneyes migrate upstream to clearer waters to spawn. Adult mooneyes reach an average length of and may reach up to . Gary Cagle drove Dean Moon's " Mooneyes" dragster to victory in Middle Eliminator. Mooneyes exhibit rapid growth within their first year, reaching up to . Historically, mooneyes have been found in all of the Great Lakes, excluding Lake Superior.