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Scaly sand darter (Ammocrypta vivax) — Percidae

Scaly sand darter

Ammocrypta vivax
Family: Percidae
LC · Least Concern

The Scaly sand darter (Ammocrypta vivax) is a freshwater fish of the family Percidae that grows up to 7 cm.

Length
7.3 cm
Water
Freshwater
Diet
Carnivore
Behaviour
Solitary
Activity
Diurnal
Body shape
Elongated (eel-like)
Substrate
Sand / mud bottom
Danger
Harmless
Range
Southeastern United States
Edibility
Not eaten

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Description

The scaly sand darter is a small freshwater darter from the southeastern United States. The species grows to about 7 cm and has a very slender, translucent, yellowish body that blends in perfectly on sandy bottoms. It lives in clear, flowing water of rivers and streams and often buries itself in the sand with only the eyes showing. It feeds on small insect larvae and invertebrates. The fish is sensitive to turbidity. The IUCN assesses the species as Least Concern (LC).

Frequently asked questions

How do you recognise the Scaly sand darter?

The Scaly sand darter has an elongate, eel-like body, is mainly yellow-gold and shows a plain pattern. Slender translucent body; buries itself in sandy bottoms

Where does the Scaly sand darter live?

The Scaly sand darter lives in fresh water and is mostly found around sand or mud bottom. Southeastern United States

How big does the Scaly sand darter get?

The Scaly sand darter grows to a maximum of about 7 cm. On average the species is around 5 cm.

Is the Scaly sand darter dangerous to humans?

No, the Scaly sand darter 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 Scaly sand darter edible?

The Scaly sand darter is not usually eaten.

More photos

Scaly sand darter (Ammocrypta vivax) — Percidae — 2
iNaturalist ((c) Fishes of Texas team, some rights reserved (CC BY-SA))
Scaly sand darter (Ammocrypta vivax) — Percidae — 3
Wikimedia Commons — Clinton & Charles Robertson (CC BY 2.0)
Scaly sand darter (Ammocrypta vivax) — Percidae — 4
iNaturalist ((c) Shin Batz, some rights reserved (CC BY-NC))
Scaly sand darter (Ammocrypta vivax) — Percidae — 5
iNaturalist ((c) Noah D, some rights reserved (CC BY-NC))
Fin

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All data

Identification

English name
Scaly sand darter verified
Scientific name
Ammocrypta vivax
Family
Percidae

Appearance

Size class
Small verified
Max length (cm)
7.3 verified
Average length (cm)
5.3 verified
Body shape
Elongated (eel-like) sourced
Dominant colour
Yellow / gold inferred
Pattern
Plain sourced
Tail shape
Forked inferred
Mouth position
Terminal sourced
Lips
Thin sourced
Barbels
No sourced
Dorsal fins
Two separate sourced
Dorsal spines
No sourced

Habitat & distribution

Water type
Freshwater sourced
Substrate
Sand / mud bottom sourced
Natural range
Southeastern United States verified
Origin
Native verified

Behaviour & biology

Diet
Carnivore sourced
Diet (detail)
Small insect larvae and invertebrates inferred
Social behaviour
Solitary sourced
Territorial
No sourced
Activity
Diurnal sourced
Reproduction
Separate sexes sourced
Sexual dimorphism
No sourced
Seasonality
Sand-burrowing stream dweller; present year-round. sourced
Special features
Slender translucent body; buries itself in sandy bottoms 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

Same genus Ammocrypta

More from the family Percidae

Fin

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