Melvaran mud flea
The Melvaran mud flea was a type of edible arthropod, but could carry viruses. 

In 2152, while imprisoned on an Enolian transport, Zoumas described the taste of Melvaran mud fleas to Commander  in minute detail. According to Zoumas, once one got past their texture, they really did not taste that bad. Furthermore, the fun part was keeping them in one's mouth, as they jumped around until one crunched down on them. Finally, unable to bear Zoumas' verbiosity, Tucker sarcastically said he loved "hearing how delicious Melvaran mud fleas are." ()

In 2258 of the alternate reality,  injected a vaccine to protect against viral infection from Melvaran mud fleas into the neck of . He did so in order to give Kirk the symptoms so that he could bring him aboard the Enterprise as a patient. This circumvented Kirk's academic suspension, which had him remaining on Earth at the time of Nero's attack on , as McCoy could bring Kirk aboard at his discretion due to the stipulations of the medical code. ()

Animals
Foods
Alternate reality