Saltmarsh Topminnow

Fundulus jenkinsi

Fundulidae · saltwater and brackish water fish

1 minute read · Species guide

Saltmarsh Topminnow field guide illustration

About Saltmarsh Topminnow

The saltmarsh topminnow (Fundulus jenkinsi) is a species of killifish of the family Fundulidae. It occurs in the coastal wetlands of the Gulf of Mexico in the United States.

Description

Saltmarsh topminnows have little color in life; there is cross-hatching on the back and sides that may be gray-green or fainter, and 12 to 30 dark round spots are often arranged in rows along the midside of the body from above the pectoral fin to the base of the caudal fin.

Ecology

Saltmarsh topminnows live in estuaries, coastal salt marshes and backwater sloughs including shallow tidal meanders of Spartina marshes. They are endemic to brackish water areas from Galveston Bay, Texas to Escambia Bay in the western panhandle of Florida.

Conservation

Habitat alteration, dredging, and marsh erosion are the most serious threats to the saltmarsh topminnow.

Conservation designations

American Fisheries Society: Threatened in Florida, vulnerable elsewhere.

Status reviews

In 2006 the Species of Concern Grant program funded the Mississippi Department of Marine Resources for the study: " Fundulus jenkinsi, Saltmarsh Topminnow: Conservation Planning and Implementation".

Species description and etymology

Fundulus jenkinsi was described in 1892 as Zygonectes jenkinsi by Barton Warren Evermann with the type locality given as Dickinson Bayou, near Galveston, Texas. The specific name honours the American physiologist Oliver Peebles Jenkins (1850-1935) of Stanford University.

Article text: Wikipedia contributors, Saltmarsh topminnow (source revision). Licensed under CC BY-SA 4.0. Retrieved 2026-10-11.

Range

Where it lives

Share of 662 GBIF observation records with a state location, across 5 states.
0%
32.8%
Share of 662 GBIF observation records with a state location, across 5 states.

Habitat

Water and movement

Water
WoRMS records this species in brackish water and the sea.
Migration
Not migratory

Classification

Taxonomy

Kingdom
Animalia
Phylum
Chordata
Superclass
Actinopterygii
Class
Teleostei
Order
Cyprinodontiformes
Genus
Fundulus
Species
Fundulus jenkinsi
ITIS TSN
165653
WoRMS AphiaID
276031
GBIF key
5203623

Common questions about Saltmarsh Topminnow

What is the scientific name of Saltmarsh Topminnow?
The scientific name is Fundulus jenkinsi, in the family Fundulidae. Classification follows ITIS.
Does Saltmarsh Topminnow live in fresh water or salt water?
WoRMS records this species in brackish water and the sea.
Where has Saltmarsh Topminnow been recorded in the United States?
GBIF has observations in 5 states, with the most records in Louisiana, Mississippi, Alabama. The map shows observation records, which do not establish the complete natural range.

Closest relatives

Other Fundulus species

Banded Killifish31 states
Fundulus diaphanusFundulidaeNative and introducedFreshBrackish
Banded Topminnow5 states
Fundulus cingulatusFundulidaeNativeFresh
Barrens Topminnow1 states
Fundulus julisiaFundulidaeNativeFresh
Bayou Killifish6 states
Fundulus pulvereusFundulidaeNativeFreshSaltBrackish
Blackspotted Topminnow17 states
Fundulus olivaceusFundulidaeNativeFresh
Blackstripe Topminnow20 states
Fundulus notatusFundulidaeNativeFresh
Broadstripe Topminnow2 states
Fundulus euryzonusFundulidaeNativeFresh
California Killifish1 states
Fundulus parvipinnisFundulidaeNativeSaltBrackish
Golden Topminnow14 states
Fundulus chrysotusFundulidaeNativeFresh
Gulf Killifish11 states
Fundulus grandisFundulidaeNative and introducedFreshBrackish
Lined Topminnow8 states
Fundulus lineolatusFundulidaeNativeFresh
Longnose Killifish6 states
Fundulus similisFundulidaeNativeSalt
Marsh Killifish14 states
Fundulus confluentusFundulidaeNativeFreshSaltBrackish
Mummichog22 states
Fundulus heteroclitusFundulidaeNativeFreshSaltBrackish
Northern Starhead Topminnow16 states
Fundulus disparFundulidaeNativeFresh
Northern Studfish21 states
Fundulus catenatusFundulidaeNative and introducedFresh
Plains Killifish16 states
Fundulus zebrinusFundulidaeNative and introducedFreshBrackish
Plains Topminnow11 states
Fundulus sciadicusFundulidaeNative and introducedFresh
Russetfin Topminnow3 states
Fundulus escambiaeFundulidaeNativeFresh
Seminole Killifish4 states
Fundulus seminolisFundulidaeNativeFresh
Southern Starhead Topminnow7 states
Fundulus blairaeFundulidaeNativeFresh
Speckled Killifish2 states
Fundulus rathbuniFundulidaeNativeFresh
Spotfin Killifish12 states
Fundulus luciaeFundulidaeNativeSaltBrackish
Stippled Studfish1 states
Fundulus bifaxFundulidaeNativeFresh

Same family

More Fundulidae

Banded Killifish31 states
Fundulus diaphanusFundulidaeNative and introducedFreshBrackish
Banded Topminnow5 states
Fundulus cingulatusFundulidaeNativeFresh
Barrens Topminnow1 states
Fundulus julisiaFundulidaeNativeFresh
Bayou Killifish6 states
Fundulus pulvereusFundulidaeNativeFreshSaltBrackish
Blackspotted Topminnow17 states
Fundulus olivaceusFundulidaeNativeFresh
Blackstripe Topminnow20 states
Fundulus notatusFundulidaeNativeFresh
Blue-fintop Minnow7 states
Lucania goodeiFundulidaeNativeFresh
Broadstripe Topminnow2 states
Fundulus euryzonusFundulidaeNativeFresh
California Killifish1 states
Fundulus parvipinnisFundulidaeNativeSaltBrackish
Diamond Killifish5 states
Adinia xenicaFundulidaeNativeFreshSaltBrackish
Golden Topminnow14 states
Fundulus chrysotusFundulidaeNativeFresh
Gulf Killifish11 states
Fundulus grandisFundulidaeNative and introducedFreshBrackish
Lined Topminnow8 states
Fundulus lineolatusFundulidaeNativeFresh
Longnose Killifish6 states
Fundulus similisFundulidaeNativeSalt
Marsh Killifish14 states
Fundulus confluentusFundulidaeNativeFreshSaltBrackish
Mummichog22 states
Fundulus heteroclitusFundulidaeNativeFreshSaltBrackish
Northern Starhead Topminnow16 states
Fundulus disparFundulidaeNativeFresh
Northern Studfish21 states
Fundulus catenatusFundulidaeNative and introducedFresh
Plains Killifish16 states
Fundulus zebrinusFundulidaeNative and introducedFreshBrackish
Plains Topminnow11 states
Fundulus sciadicusFundulidaeNative and introducedFresh
Pygmy Killifish5 states
Leptolucania ommataFundulidaeNativeFresh
Rainwater Killifish20 states
Lucania parvaFundulidaeNative and introducedFreshSaltBrackish
Russetfin Topminnow3 states
Fundulus escambiaeFundulidaeNativeFresh
Seminole Killifish4 states
Fundulus seminolisFundulidaeNativeFresh

All 32 species in Fundulidae