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Day smelt (Hypomesus pretiosus) — Osmeridae

Day smelt

Hypomesus pretiosus
Family: Osmeridae

The Day smelt (Hypomesus pretiosus) is a brackish-water fish of the family Osmeridae that grows up to 31 cm.

Length
30.5 cm
Water
Brackish
Diet
Carnivore
Behaviour
Large groups
Body shape
Elongated (eel-like)
Substrate
Mixed bottom
Danger
Harmless
Range
Eastern Pacific off the west coast of North America; coastal waters and sandy beaches.
Edibility
Commonly eaten

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Description

The surf smelt is a smelt (Osmeridae) from the eastern Pacific off the west coast of North America. The species grows to about 25 cm and has a slender, silvery body with an adipose fin, characteristic of smelts. It lives in schools in coastal waters and spawns on sandy beaches in the surf zone, where the eggs are laid among the sand grains. At sea it feeds on small crustaceans, worms and other plankton. It is an important prey fish and is also fished by people. The species is harmless to humans.

Frequently asked questions

How do you recognise the Day smelt?

The Day smelt has an elongate, eel-like body, is mainly silver-grey and shows a plain pattern. Adipose fin; spawns between the sand grains on beaches in the surf zone.

Where does the Day smelt live?

The Day smelt lives in brackish water and is mostly found around mixed bottom. Eastern Pacific off the west coast of North America; coastal waters and sandy beaches.

How big does the Day smelt get?

The Day smelt grows to a maximum of about 31 cm. On average the species is around 15 cm.

Is the Day smelt dangerous to humans?

No, the Day smelt is harmless to humans. None required: this species is harmless to humans.

Is the Day smelt edible?

Yes, the Day smelt is commonly eaten.

More photos

Day smelt (Hypomesus pretiosus) — Osmeridae — 2
iNaturalist ((c) André Giraldi, some rights reserved (CC BY-NC))
Day smelt (Hypomesus pretiosus) — Osmeridae — 3
iNaturalist ((c) awpiston, some rights reserved (CC BY-NC))
Day smelt (Hypomesus pretiosus) — Osmeridae — 4
Wikimedia Commons — Drawing by H. L. Todd, NOAA's Historic Fisheries Collection (Public domain)
Day smelt (Hypomesus pretiosus) — Osmeridae — 5
iNaturalist ((c) Matt Bowser, some rights reserved (CC BY))
Fin

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All data

Identification

English name
Day smelt verified
Scientific name
Hypomesus pretiosus
Family
Osmeridae
Other names
Silver smelt; Surf smelt verified

Appearance

Size class
Medium verified
Max length (cm)
30.5 verified
Average length (cm)
15.0 verified
Body shape
Elongated (eel-like) sourced
Dominant colour
Silver / grey inferred
Pattern
Plain inferred
Tail shape
Forked inferred
Mouth position
Terminal inferred
Lips
Thin inferred
Barbels
No sourced
Dorsal fins
Two separate inferred
Dorsal spines
No sourced

Habitat & distribution

Water type
Brackish sourced
Substrate
Mixed bottom sourced
Natural range
Eastern Pacific off the west coast of North America; coastal waters and sandy beaches. inferred
Origin
Native sourced

Behaviour & biology

Diet
Carnivore sourced
Diet (detail)
Small crustaceans, worms and plankton sourced
Social behaviour
Large groups inferred
Territorial
No inferred
Reproduction
Separate sexes sourced
Sexual dimorphism
No inferred
levensduur_max_jaar
5.0 verified
Seasonality
Present year-round in its habitat; no pronounced seasonality known. inferred
Special features
Adipose fin; spawns between the sand grains on beaches in the surf zone. sourced

For anglers

Edibility
Commonly eaten sourced
Fishing method
Bottom fishing with natural bait (worm, shrimp or fish) on or just above the seabed. inferred
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Harmless sourced
First aid
None required: this species is harmless to humans. sourced

Status & sources

Sources
FishBase via GBIF (DwC-A), CC-BY-NC 4.0

Same genus Hypomesus

More from the family Osmeridae

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