Fin's Fish Guide
Dusky millions fish
The Dusky millions fish (Phalloceros caudimaculatus) is a brackish-water fish of the family Poeciliidae that grows up to 4 cm.
Description
The dusky millionsfish is a small livebearer (Poeciliidae) originally from southeastern South America. The species is small and has a greyish body with a dark spot on the tail base, to which the name refers; some specimens have black blotches. The male has a gonopodium for internal fertilisation, and the female bears live young. It has been introduced in various places outside its native range, including swamps and drains around Perth in Western Australia. As an omnivore it eats mosquito larvae, algae and detritus. The species is harmless to humans.
Frequently asked questions
How do you recognise the Dusky millions fish?
The Dusky millions fish has an elongate, eel-like body, is mainly silver-grey and shows a spots pattern. Dark caudal blotch; ovoviviparous fish, introduced in various places outside South America.
Where does the Dusky millions fish live?
The Dusky millions fish lives in brackish water and is mostly found around open water. Southeastern South America; calm waters, swamps and drainages.
How big does the Dusky millions fish get?
The Dusky millions fish grows to a maximum of about 4 cm.
Is the Dusky millions fish dangerous to humans?
No, the Dusky millions fish is harmless to humans. None required: this species is harmless to humans.
Is the Dusky millions fish edible?
The Dusky millions fish is not usually eaten.
More photos
Want the complete picture on the Dusky millions fish?
Point your camera at the fish and Fin names the species in seconds. Free, and the Dusky millions fish is one of 12,519 species in the app.
All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
More from the family Poeciliidae
Want the complete picture on the Dusky millions fish?
Point your camera at the fish and Fin names the species in seconds. Free, and the Dusky millions fish is one of 12,519 species in the app.