Comet
Calloplesiops altivelis
- Least concern
- Card rarity: Common
- Fish

The comet or marine betta is a species of reef-associated tropical marine fish in the longfin family Plesiopidae, most commonly found between 3 and 50 m deep. It is native to the Indo-Pacific Ocean. It can reach a maximum length of 20 cm.
Classification
- Class
- Actinopterygii
- Order
- Blenniiformes
- Family
- Plesiopidae
- Genus
- Calloplesiops