This is actually not a hawkfish but closer to being an anthias. However it is grouped under the hawkfish category because of its look and behavior resemble those of the hawkfish, and the fact that it is often sold under the hawkfish category. Feeds on zooplankton. A relatively deep water occurring species that stays small. Only aggressive to small bottom dweller of the same size or smaller.
The Geometric Pygmy Hawkfish also known as the Hi Fin Perchlet is a hard find from the rubble zones of Cebu. They are within the Anthiinae subfamily along with many species of Anthias. However, the Geometric Pygmy Hawkfish within the genus Plectranthias resemble hawkfishes more than Anthias. Their bodies are elongated with a high third dorsal spine followed by a banner-like flap. They are mottled in orange and white, and have very interesting green eyes. They feed upon zooplankton, and are a wonderful addition to a reef aquarium. The Geometric Pygmy Hawkfish is a reef inhabitant in the wild, occurring within the rubble zones and often found among plate corals (Fungia sp.) . They require a saltwater aquarium of at least 20 gallons with plenty of live rock for hiding and feeding. They may become aggressive towards other bottom dwelling fish like gobies and blennies. The Geometric Pygmy Hawkfish natural diet includes zooplankton, and they should be offered a variety of meaty foods including; vitamin enriched brine shrimp, mysis shrimp and small pieces of shrimp and fish.