endemic to a single nation
Regularity: Regularly occurring
Type of Residency: Year-round
Global Range: (200,000 to >2,500,000 square km (about 80,000 to >1,000,000 square miles)) Range includes Gulf Slope drainages from the Escambia River, Alabama and Florida, to the Brazos River, Texas; north in the Red River drainage to southwestern Arkansas and southeastern Oklahoma (Page and Burr 2011).
Habitat and Ecology
Habitat Type: Freshwater
Comments: These topminnows occur in and near shoreline vegetation of clear lakes and ponds, backwaters, swamps, overflow pools of large rivers, quiet backwaters with little or no current, and shallow depths in smaller streams (Mettee et al. 1996, Page and Burr 2011).
Non-Migrant: Yes. At least some populations of this species do not make significant seasonal migrations. Juvenile dispersal is not considered a migration.
Locally Migrant: No. No populations of this species make local extended movements (generally less than 200 km) at particular times of the year (e.g., to breeding or wintering grounds, to hibernation sites).
Locally Migrant: No. No populations of this species make annual migrations of over 200 km.
Number of Occurrences
Note: For many non-migratory species, occurrences are roughly equivalent to populations.
Estimated Number of Occurrences: 21 - 300
Comments: This species is represented by a large number of occurrences (subpopulations).
10,000 - 1,000,000 individuals
Comments: Total adult population size is unknown but presumably exceeds 10,000. This species is common west of the Mississippi River, rare and sporadic east of the Mississippi (Page and Burr 2011).
Molecular Biology and Genetics
Barcode data: Fundulus blairae
Below is a sequence of the barcode region Cytochrome oxidase subunit 1 (COI or COX1) from a member of the species.
See the BOLD taxonomy browser for more complete information about this specimen and other sequences.
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Download FASTA File
Statistics of barcoding coverage: Fundulus blairae
Public Records: 2
Specimens with Barcodes: 3
Species With Barcodes: 1
IUCN Red List Assessment
Red List Category
Red List Criteria
National NatureServe Conservation Status
Rounded National Status Rank: N4 - Apparently Secure
NatureServe Conservation Status
Rounded Global Status Rank: G4 - Apparently Secure
Total adult population size is unknown but presumably exceeds 10,000. This species is common west of the Mississippi River, rare and sporadic east of the Mississippi (Page and Burr 2011).
Trend over the past 10 years or three generations is uncertain but probably relatively stable or slowly declining.
Global Short Term Trend: Relatively stable to decline of 30%
Comments: Trend over the past 10 years or three generations is uncertain but probably relatively stable or slowly declining.
- IUCN 2006 2006 IUCN red list of threatened species. www.iucnredlist.org. Downloaded July 2006.
Comments: Threats in Alabama include pollution and loss of wetlands (Boschung and Mayden 2004).
Names and Taxonomy
Comments: Regarded as a subspecies of F. DISPAR in the 1991 AFS checklist, based on evidence of intergradation in northeastern Louisiana. Cashner et al. (1992) noted that fixed allelic or significant genotype frequency differences have not been found between populations of F. BLAIRAE and F. DISPAR. Page and Burr (1991) and Warren et al. (2000) treated BLAIRAE and DISPAR as distinct species.
The genus FUNDULUS was removed from Atheriniformes:Cyprinodontidae and placed in Cyprinodontiformes:Fundulidae by Parenti (1981); pending confirmation based on other character suites, this change was not accepted in the 1991 AFS checklist (Robins et al. 1991). See Wiley (1986) for a study of the evolutionary relationships of FUNDULUS topminnows based on morphological characters. See Cashner et al. (1992) for an allozyme-based phylogenetic analysis of the genus FUNDULUS.