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Oscar Ordonez

DCF30_CO1 - Yellowfin Shiner

Collected at Duncan Creek Park - 34°04'22.0"N 83°54'16.5"W

Kingdom:	Animalia

Phylum:    Chordata

Class:	   Actinopterygii

Order:	   Cypriniformes

Family:	   Leuciscidae

Subfamily:	Pogonichthyinae

Genus:     Notropis

Species:   N. lutipinnis

Distinguishing Characteristics: The upper half of their bodies is a brownish color. A black stripe extends from the tip of a terminal mouth to the end of the caudal fin. Beginning behind the eye, a thin blue neon line runs along the top edge of the black stripe. The lower half is a whitish color.

Ecology: Yellowfins are found in the Edisto, Savannah, Altamaha, and Chattahoochee drainages of South Carolina and Georgia. This species may also be found in the uppermost reaches of the Little Tennessee River system in North Carolina. Though its range does extend below the Fall Line, most of it is above it, and their populations seem to increase with the altitude. Within its range, it is a very common species, and easily accessible, often found in very shallow streams and ditches (1). Breeding males develop very intense red hues that seem to radiate from the very depths of their bodies. When colored up to their peak, their stripes aren’t even visible. The fins of breeding males may be bright red or yellow (1). Yellowfin shiners spawn in nests constructed by male bluehead chubs(Nocomis leptocephalus). Bluehead chubs tended nests by moving stones, which kept the nests free of silt. Yellowfin shiners benefit from a protective nest and parental care given by the chub (2).

DNA sequence: TTTAAATGTTGATATAGAATAGGATCCCCTCCTCCTGCTGGGTCAANGAATGTAGTATTT

AAGTTACGGTCAGTGAGGAGTATAGTAATCCCGGCGGCTAGAACGGGTAATGACAGGAGT

AGAAGAACGGCAGTAACAAGCACGGCTCATACAAAGAGGGGTGTTTGATACTGAGAAATT

GCTGGGGGTTTCATATTAATAATTGTGGTAATAAAATTTACTGCCCCCAAAATTGATGAT

ACACCTGCCAGATGGAGGGAGAAGATCGTGAGATCTACTGATGCCCCTGCGTGGGCAAGA

TTACCTGCAAGTGGGGGGTAAACAGTTCATCCTGTCCCAGCTCCGGCCTCGACCCCAGAA

GAGGCTAATAACAATAGGAATGATGGGGGTAAAAGTCAGAAGCTTATGTTATTCATTCGT

GGAAATGCCATGTCAGGTGCTCCAATCATTAGAGGAACTAGTCAATTTCCAAACCCACCA

ATGAGAATTGGCATCACTATAAAGAAAATTATCACGAAGGCGTGAGCAGTAACAATAACA

TTATAGATTTGATCGTCACCTAGAAGTGAGCCGGGTTGACTTAGTTCAGCTCGAATAAGG

AGGCTTAAAGCGGTTCCCACTATTCCGGCCCAGGCACCAAATACTAAATAAAGGGTGCCA

ATGTCTTTGTGGTTGGTTGACTGGCCGCNNNTTTTACAA

References:

1. Knepley, M., & Lucas, M. (2015). Fish in Focus: Yellowfin Shiner, Notropis lutipinnis. American Currents, 40(3), 21.

2. Wallin, J. E. (1992). The symbiotic nest association of yellowfin shiners, Notropis lutipinnis, and bluehead chubs, Nocomis leptocephalus. Environmental Biology of Fishes, 33(3), 287–292. https://doi.org/10.1007/bf00005872