Fin's Fish Guide
The Rearfin wormfish (Microdesmus retropinnis) is a saltwater fish of the family Microdesmidae that grows up to 11 cm.
Description
The wormfish is a wormfish (Microdesmidae) from the eastern Pacific. The species has a very elongate, worm-like body with a long, low dorsal and anal fin and small eyes, adapted to a burrowing life. It inhabits shallow coastal and intertidal waters, including rock pools, where it burrows in sand or mud. On the bottom it feeds on small zooplankton and small invertebrates. The species is harmless to humans.
Frequently asked questions
How do you recognise the Rearfin wormfish?
The Rearfin wormfish has a snake-like body, is mainly brown and shows a plain pattern. Very elongated, worm-shaped body; burrows into sand and mud of shallow coastal waters.
Where does the Rearfin wormfish live?
The Rearfin wormfish lives in the sea (marine waters) and is mostly found around sand or mud bottom. Eastern Pacific; shallow coastal and tidal waters.
How big does the Rearfin wormfish get?
The Rearfin wormfish grows to a maximum of about 11 cm.
Is the Rearfin wormfish dangerous to humans?
No, the Rearfin wormfish is harmless to humans. None required: this species is harmless to humans.
Is the Rearfin wormfish edible?
The Rearfin wormfish is not usually eaten.
Want the complete picture on the Rearfin wormfish?
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All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
Same genus Microdesmus
More from the family Microdesmidae
Want the complete picture on the Rearfin wormfish?
Point your camera at the fish and Fin names the species in seconds. Free, and the Rearfin wormfish is one of 12,519 species in the app.