The Soapfish (Rypticus subbifrenatus) is a saltwater fish of the family Serranidae that grows up to 18 cm.
Coral reefs and rocky shores of the western Atlantic and the Caribbean.
Description
The spotted soapfish (Rypticus subbifrenatus) is a sea bass relative of the family Serranidae from the western Atlantic and Caribbean. The species has a stocky, dark-brown body with numerous small pale and dark spots and reaches about 18 cm. It inhabits clear tropical waters to about 26 metres deep, but is most often found in very shallow water. It is a shy, secretive fish that stays among rocks and coral and hunts fishes and crustaceans at night. Soapfishes secrete a toxic, bitter mucus (grammistin) when disturbed, which foams in water; for this reason the species is not eaten.
Frequently asked questions
How do you recognise the Soapfish?
The Soapfish has a torpedo-shaped body, is mainly brown and shows a spots pattern. When disturbed it secretes a poisonous, foaming mucus (grammistine); shy nocturnal hunter.
Where does the Soapfish live?
The Soapfish lives in the sea (marine waters) and is mostly found around stony or rocky ground. Coral reefs and rocky shores of the western Atlantic and the Caribbean.
How big does the Soapfish get?
The Soapfish grows to a maximum of about 18 cm.
Is the Soapfish dangerous to humans?
No, the Soapfish is harmless to humans. This species is harmless to humans. No specific first aid is needed. Still handle the fish with care: mind the fin rays and the sharp edges of the gill cover, and rinse any scratch with clean water and cover it. For a dirty or deep wound check tetanus status.
Is the Soapfish edible?
The Soapfish is not usually eaten.
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All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
Same genus Rypticus
More from the family Serranidae

Want the complete picture on the Soapfish?
Point your camera at the fish and Fin names the species in seconds. Free, and the Soapfish is one of 12,519 species in the app.