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Thickscale silverside (Atherinella pachylepis) — Atherinopsidae

Thickscale silverside

Atherinella pachylepis
LC · Least Concern

The Thickscale silverside (Atherinella pachylepis) is a saltwater fish of the family Atherinopsidae that grows up to 16 cm.

Length
16 cm
Water
Saltwater
Diet
Carnivore
Behaviour
Schooling
Body shape
Elongated (eel-like)
Substrate
Stone or rock
Danger
Harmless
Range
Eastern Pacific; shallow bays and coastal reefs.
Edibility
Rarely eaten

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Description

The thickscale silverside is a small schooling fish of the New World silverside family (Atherinopsidae) from the eastern Pacific. The species grows to about 16 cm and has a slender, silvery body with a shining silver lateral stripe and relatively large scales, to which the name refers. It forms aggregations in shallow bays and over coastal reefs. As an omnivore it feeds on zooplankton and small invertebrates near the surface. As an abundant prey fish it is important to larger predatory fishes and seabirds. Owing to its small size the species has little direct fishery value and is harmless to humans.

Frequently asked questions

How do you recognise the Thickscale silverside?

The Thickscale silverside has an elongate, eel-like body, is mainly silver-grey and shows a horizontal stripes pattern. Glossy silvery longitudinal stripe and relatively large scales; surface schooling fish.

Where does the Thickscale silverside live?

The Thickscale silverside lives in the sea (marine waters) and is mostly found around stony or rocky ground. Eastern Pacific; shallow bays and coastal reefs.

How big does the Thickscale silverside get?

The Thickscale silverside grows to a maximum of about 16 cm.

Is the Thickscale silverside dangerous to humans?

No, the Thickscale silverside is harmless to humans. None required: this species is harmless to humans.

Is the Thickscale silverside edible?

The Thickscale silverside is rarely eaten.

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All data

Identification

English name
Thickscale silverside verified
Scientific name
Atherinella pachylepis
Family
Atherinopsidae

Appearance

Size class
Medium verified
Max length (cm)
16.0 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
Saltwater sourced
Substrate
Stone or rock sourced
Natural range
Eastern Pacific; shallow bays and coastal reefs. inferred
Origin
Native sourced

Behaviour & biology

Diet
Carnivore sourced
Diet (detail)
Zooplankton and small invertebrates sourced
Social behaviour
Schooling inferred
Territorial
No inferred
Reproduction
Separate sexes sourced
Sexual dimorphism
No inferred
Seasonality
Present year-round in its habitat; no pronounced seasonality known. inferred
Special features
Glossy silvery longitudinal stripe and relatively large scales; surface schooling fish. sourced

For anglers

Edibility
Rarely eaten sourced
Fishing method
Fishing with natural bait (fish, shrimp, worm) or lures close to reef and rock structures. 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 Atherinella

More from the family Atherinopsidae

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