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Brook silverside (Labidesthes sicculus) — Atherinopsidae

Brook silverside

Labidesthes sicculus
LC · Least Concern

The Brook silverside (Labidesthes sicculus) is a freshwater fish of the family Atherinopsidae that grows up to 13 cm.

Length
13 cm
Water
Freshwater
Diet
Carnivore
Behaviour
Schooling
Body shape
Elongated (eel-like)
Substrate
Open water
Danger
Harmless
Range
Lakes, ponds and rivers of eastern North America.
Edibility
Not eaten

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Description

The brook silverside (Labidesthes sicculus) is a slender, silvery fish of the family Atherinopsidae from eastern North America. The species has a strongly elongate, translucent body with a shining silver lateral stripe and a tapering mouth, and reaches about 13 cm. It stays near the surface of lakes, ponds and quiet sections of creeks and rivers, usually in open water. The diet consists of zooplankton, including copepods, cladocerans and midge larvae. The species is an important prey for larger fishes and waterbirds and is sensitive to disturbance of clear, clean water.

Frequently asked questions

How do you recognise the Brook silverside?

The Brook silverside has an elongate, eel-like body, is mainly silver-grey and shows a horizontal stripes pattern. Slender translucent body with a silvery longitudinal stripe; surface feeder in open water.

Where does the Brook silverside live?

The Brook silverside lives in fresh water and is mostly found around open water. Lakes, ponds and rivers of eastern North America.

How big does the Brook silverside get?

The Brook silverside grows to a maximum of about 13 cm. On average the species is around 8 cm.

Is the Brook silverside dangerous to humans?

No, the Brook silverside is harmless to humans. This species is harmless to humans. No specific first aid is needed. Still handle the fish with care: mind the fin rays and the sharp edges of the gill cover, and rinse any scratch with clean water and cover it. For a dirty or deep wound check tetanus status.

Is the Brook silverside edible?

The Brook silverside is not usually eaten.

More photos

Brook silverside (Labidesthes sicculus) — Atherinopsidae — 2
Steven Wang (CC BY 4.0) via GBIF — iNaturalist
Brook silverside (Labidesthes sicculus) — Atherinopsidae — 3
iNaturalist ((c) Cody Porter, some rights reserved (CC BY-NC))
Brook silverside (Labidesthes sicculus) — Atherinopsidae — 4
iNaturalist ((c) lnoctis, some rights reserved (CC BY-NC))
Brook silverside (Labidesthes sicculus) — Atherinopsidae — 5
padfoot exotics (CC BY-NC 4.0) via GBIF — iNaturalist
Fin

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All data

Identification

English name
Brook silverside verified
Scientific name
Labidesthes sicculus
Family
Atherinopsidae
Other names
Brook silverside verified

Appearance

Size class
Small verified
Max length (cm)
13.0 verified
Average length (cm)
8.4 verified
Body shape
Elongated (eel-like) sourced
Dominant colour
Silver / grey inferred
Pattern
Horizontal stripes inferred
Tail shape
Forked inferred
Mouth position
Superior (upward) inferred
Lips
Thin inferred
Barbels
No sourced
Dorsal fins
Two separate inferred
Dorsal spines
Yes sourced

Habitat & distribution

Water type
Freshwater sourced
Substrate
Open water sourced
Natural range
Lakes, ponds and rivers of eastern North America. inferred
Origin
Native sourced

Behaviour & biology

Diet
Carnivore sourced
Diet (detail)
Zooplankton (copepods, water fleas, midge larvae) sourced
Social behaviour
Schooling inferred
Territorial
No inferred
Reproduction
Separate sexes sourced
Sexual dimorphism
No inferred
levensduur_max_jaar
2.0 verified
Seasonality
Present year-round in its habitat; no pronounced seasonality known. inferred
Special features
Slender translucent body with a silvery longitudinal stripe; surface feeder in open water. sourced

For anglers

Edibility
Not eaten sourced
Fishing method
Not a target species for angling; at most an incidental catch or usable as baitfish. inferred
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Harmless sourced
First aid
This species is harmless to humans. No specific first aid is needed. Still handle the fish with care: mind the fin rays and the sharp edges of the gill cover, and rinse any scratch with clean water and cover it. For a dirty or deep wound check tetanus status. verified

Status & sources

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

More from the family Atherinopsidae

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