These Wild Green Sailfin Mollies (Poecilia latipinna) are a livebearing Florida native and are wild caught from here in Southwest Florida brackish water canals. They have been acclimated to full strength seawater. These will be 6+, juveniles only, unsexed, that will be sent to you. They should be suitable as feeders for larger Seahorses, Pipefishes or other carnivorous saltwater fish. Or, they can be grown out as a schooling fish for your saltwater aquarium. They have been acclimated to full-strength seawater and thriving in one of my aquariums. Will eat about anything, including many types of algae, including hair algae. Don't expect them to eliminate a hair algae problem though. How much their color comes out really depends on your lighting and tank conditions and decorations and their diet.  Shipped with USPS Priority Mail in a breather bag. Do not float bag. Gently pour contents of the bag into small container and slowly add aquarium or pond water for an hour or so. Then add to your aquarium. If there is a problem with your order upon receipt, immediately take a clear picture before you open the bag and send it to me describing the issue. Failure to do so within 3 hours of receiving your order and a refund will not be considered.