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Stippled studfish (Fundulus bifax) — Fundulidae

Stippled studfish

Fundulus bifax
Family: Fundulidae

The Stippled studfish (Fundulus bifax) is a freshwater fish of the family Fundulidae that grows up to 12 cm.

Length
12 cm
Water
Freshwater
Body shape
Elongated (eel-like)
Substrate
Open water
Danger
Harmless
Range
North America: USA

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Description

The Stippled studfish is a topminnow (Fundulidae) from shallow fresh and brackish water of drainages of Alabama and Georgia in the United States. The species grows to about 10 cm and has a stocky, silvery body with a flat head and an upturned mouth; spawning males often bear rows of red or blue spots. As a surface-oriented fish it swims in clear streams, pools and shoreline zones and snaps at insects, larvae and small invertebrates. The fish is harmless to humans.

Frequently asked questions

How do you recognise the Stippled studfish?

The Stippled studfish has an elongate, eel-like body and is mainly silver-grey.

Where does the Stippled studfish live?

The Stippled studfish lives in fresh water and is mostly found around open water. North America: USA

How big does the Stippled studfish get?

The Stippled studfish grows to a maximum of about 12 cm.

Is the Stippled studfish dangerous to humans?

No, the Stippled studfish 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.

More photos

Stippled studfish (Fundulus bifax) — Fundulidae — 2
iNaturalist ((c) Jason Lins, some rights reserved (CC BY-NC))
Stippled studfish (Fundulus bifax) — Fundulidae — 3
iNaturalist ((c) Tayton Alvis, some rights reserved (CC BY))
Stippled studfish (Fundulus bifax) — Fundulidae — 4
iNaturalist ((c) James-LaFontaine, some rights reserved (CC BY))
Stippled studfish (Fundulus bifax) — Fundulidae — 5
iNaturalist ((c) chelsea, some rights reserved (CC BY-NC))
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All data

Identification

English name
Stippled studfish sourced
Scientific name
Fundulus bifax
Family
Fundulidae
Other names
Stippled studfish verified

Appearance

Size class
Small verified
Max length (cm)
12.0 verified
Body shape
Elongated (eel-like) sourced
Dominant colour
Silver / grey sourced
Tail shape
Rounded inferred
Mouth position
Superior (upward) sourced

Habitat & distribution

Water type
Freshwater sourced
Substrate
Open water sourced
Natural range
North America: USA sourced
Origin
Native inferred

Behaviour & biology

Territorial
No inferred
Reproduction
Separate sexes inferred
Sexual dimorphism
No inferred
Seasonality
Present year-round in its habitat; no pronounced seasonality known. inferred

For anglers

Fishing method
Small in size and barely an angling target; mostly caught incidentally or as baitfish. inferred
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Harmless verified
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 Fundulus

More from the family Fundulidae

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