Fin's Fish Guide
The Bluefin killifish (Lucania goodei) is a freshwater fish of the family Fundulidae that grows up to 6 cm.
Description
The bluefin killifish is a small egg-laying toothcarp of the family Fundulidae from the south-eastern United States. The species grows to only about 6 cm; males are handsomely coloured with blue and red tints in the fins and a dark lateral stripe. It inhabits heavily vegetated ditches, ponds, lakes and the backwaters of streams, and is often common near clear springs. As a small omnivore it feeds on small invertebrates, insect larvae and algae. The bluefin killifish is popular in the aquarium for its colour and peaceful nature. Owing to its small size it is harmless to humans.
Frequently asked questions
How do you recognise the Bluefin killifish?
The Bluefin killifish has an elongate, eel-like body, is mainly blue and shows a horizontal stripes pattern. Males with blue and red fin tints; common near clear springs.
Where does the Bluefin killifish live?
The Bluefin killifish lives in fresh water and is mostly found around mixed bottom. Southeastern USA; vegetated ditches, ponds and springs.
How big does the Bluefin killifish get?
The Bluefin killifish grows to a maximum of about 6 cm. On average the species is around 3 cm.
Is the Bluefin killifish dangerous to humans?
No, the Bluefin killifish is harmless to humans. None required: this species is harmless to humans.
Is the Bluefin killifish edible?
The Bluefin killifish is not usually eaten.
More photos
Want the complete picture on the Bluefin killifish?
Point your camera at the fish and Fin names the species in seconds. Free, and the Bluefin killifish is one of 12,519 species in the app.
All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
Same genus Lucania
More from the family Fundulidae
Want the complete picture on the Bluefin killifish?
Point your camera at the fish and Fin names the species in seconds. Free, and the Bluefin killifish is one of 12,519 species in the app.