Fin's Fish Guide
The Longnose killifish (Fundulus similis) is a saltwater fish of the family Fundulidae that grows up to 12 cm.
Southeastern United States and Gulf of Mexico, around mangroves and on tidal flats with sparse vegetation.
Description
The longnose killifish is a killifish (family Fundulidae) of the south-eastern United States and the Gulf of Mexico. The species reaches about 12 cm and has an elongate, silvery body with a fairly pointed snout and vertical bars. It is often found around mangroves and on tidal flats with sparse, short vegetation. Unlike many killifish it is not a seasonal species, and it is considered difficult to keep in an aquarium. Its diet consists of small invertebrates, insect larvae and plant matter. The species is harmless to humans and is used mainly as a bait fish.
Frequently asked questions
How do you recognise the Longnose killifish?
The Longnose killifish has an elongate, eel-like body, is mainly silver-grey and shows a vertical stripes pattern. Killifish with a narrow snout and vertical bars; lives on tidal flats and near mangroves.
Where does the Longnose killifish live?
The Longnose killifish lives in the sea (marine waters) and is mostly found around mixed bottom. Southeastern United States and Gulf of Mexico, around mangroves and on tidal flats with sparse vegetation.
How big does the Longnose killifish get?
The Longnose killifish grows to a maximum of about 12 cm.
Is the Longnose killifish dangerous to humans?
No, the Longnose killifish is harmless to humans. None required: this species is harmless to humans.
Is the Longnose killifish edible?
The Longnose killifish is not usually eaten.
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All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
Same genus Fundulus
More from the family Fundulidae
Want the complete picture on the Longnose killifish?
Point your camera at the fish and Fin names the species in seconds. Free, and the Longnose killifish is one of 12,519 species in the app.