Fin's Fish Guide
The Roloff's rivulus (Rivulus roloffi) is a freshwater fish of the family Rivulidae that grows up to 6 cm.
Description
Roloff's rivulus is a small killifish (Rivulidae) from shallow streams, pools and ditches of Hispaniola in the Caribbean. The species grows to about 5 cm and has a slender, cylindrical body; males are brown with rows of red spots. As a bottom-oriented fish of calm, often oxygen-poor water it snaps at insects, larvae and small invertebrates; in drought it can briefly move across moist ground. The fish is harmless to humans.
Frequently asked questions
How do you recognise the Roloff's rivulus?
The Roloff's rivulus has an elongate, eel-like body, is mainly brown and shows a spots pattern.
Where does the Roloff's rivulus live?
The Roloff's rivulus lives in fresh water and is mostly found around open water. North America: Dominican Rp
How big does the Roloff's rivulus get?
The Roloff's rivulus grows to a maximum of about 6 cm.
Is the Roloff's rivulus dangerous to humans?
No, the Roloff's rivulus 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 Roloff's rivulus edible?
Yes, the Roloff's rivulus is commonly eaten.
Want the complete picture on the Roloff's rivulus?
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All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
Same genus Rivulus
More from the family Rivulidae
Want the complete picture on the Roloff's rivulus?
Point your camera at the fish and Fin names the species in seconds. Free, and the Roloff's rivulus is one of 12,519 species in the app.