The Sailfin anthias (Rabaulichthys altipinnis) is a saltwater fish of the family Serranidae that grows up to 6 cm.
Description
The sailfin anthias is a small anthias (Serranidae) from deeper reef water of the western Pacific. The species grows to about 8 cm and has a stocky, orange-pink body; the male carries a strikingly high, sail-like dorsal fin that he spreads during courtship. As a day-active fish it hovers in small groups above coral rubble and steep slopes and snaps at zooplankton in the current. Like many anthias a female can change sex. The fish is harmless to humans.
Frequently asked questions
How do you recognise the Sailfin anthias?
The Sailfin anthias has an elongate, eel-like body and is mainly red-orange.
Where does the Sailfin anthias live?
The Sailfin anthias lives in the sea (marine waters) and is mostly found around stony or rocky ground.
How big does the Sailfin anthias get?
The Sailfin anthias grows to a maximum of about 6 cm.
Is the Sailfin anthias dangerous to humans?
No, the Sailfin anthias is harmless to humans.
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Habitat & distribution
Behaviour & biology
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More from the family Serranidae
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