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A Virtual Museum on the State's Fish Biodiversity

Fundulus rathbuni

Speckled Killifish
NS G4
Collection Details

Specimens

Photos

Records

Taxonomic Hierarchy

Actinopterygii (Ray-finned Fishes) Cyprinodontiformes Fundulidae (Topminnows) Fundulus Fundulus rathbuni (Speckled Killifish)

Description

This species account was compiled from FishBase (Froese, R. and D. Pauly. Editors. 2025. FishBase. World Wide Web electronic publication. www.fishbase.org, version 04/2025.) and processed using AI-assisted text extraction. It may contain errors in spelling, punctuation, or formatting. When citing, please reference the original source rather than this page. Learn more about our species accounts.

Characters

Body shape: elongated.

Distribution

North America: Dan (Roanoke), Neuse, Cape Fear, Peedee and Catawba (Santee) River drainages in Virginia and North Carolina, USA.

Habitat Associations

Freshwater. benthopelagic.

Biology

Occurs usually over sand or mud in backwaters and pools of creeks and small to medium rivers. 9.6 cm max TL (Ref. 5723). Not a seasonal killifish (Ref. 27139).
Max length: 8.0 cm TL; common length: 6.0 cm TL.
Reproductive mode: dioecism; fertilization: external.
IUCN Red List Status: Least Concern (LC), assessed 2012-02-02. Resilience: High (tm<1).

References

Page, L.M. and B.M. Burr (1991) A field guide to freshwater fishes of North America north of Mexico. Houghton Mifflin Company, Boston. 432 p.
Huber, J.H. (1996) Killi-Data 1996. Updated checklist of taxonomic names, collecting localities and bibliographic references of oviparous Cyprinodont fishes (Atherinomorpha, Pisces). Société Française d'Ichtyologie, Muséum National d'Histoire Naturelle, Paris, France, 399 p.

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