The delta mudsucker, gillichthys detrusus, a valid species (Teleostei: Gobiidae) endemic to the colorado river delta, Northernmost gulf of California, Mexico

Camm C. Swift, Lloyd T. Findley, Ryan A. Ellingson, Karl Flessa, David K. Jacobs

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Substantial genetic and subtle morphological characters document that the Delta Mudsucker or chupalodo delta, Gillichthys detrusus Gilbert and Scofield, 1898, family Gobiidae, is a valid species separate from its widespread sister species, the Longjaw Mudsucker, G. mirabilis Cooper, 1864. This species was erroneously placed in the synonymy of G. mirabilis in 1907 and has since remained unrecognized until this study. The Delta Mudsucker is restricted to a narrow zone of tidally influenced channels of the lowermost Colorado River and adjacent to the mouth of the river within its delta. It is the second fish species endemic to the river's delta in Mexico's Reserva de la Biósfera del Alto Golfo de California y Delta del RÃ-o Colorado (Upper Gulf of California and Colorado River Delta Biosphere Reserve). This study underscores the importance of continued reassessment of baseline and cryptic biodiversity, especially in habitats where initial assessment was scant prior to extensive anthropogenic influence.

Original languageEnglish (US)
Pages (from-to)93-102
Number of pages10
JournalCopeia
Issue number1
DOIs
StatePublished - Mar 14 2011

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Colorado River
Gulf of California
Gobiidae
Mexico
Mirabilis
river
anthropogenic activities
mouth
indigenous species
biodiversity
rivers
Gillichthys
gulf
endemic species
habitats
fish
habitat

ASJC Scopus subject areas

  • Animal Science and Zoology
  • Aquatic Science
  • Ecology, Evolution, Behavior and Systematics

Cite this

The delta mudsucker, gillichthys detrusus, a valid species (Teleostei : Gobiidae) endemic to the colorado river delta, Northernmost gulf of California, Mexico. / Swift, Camm C.; Findley, Lloyd T.; Ellingson, Ryan A.; Flessa, Karl; Jacobs, David K.

In: Copeia, No. 1, 14.03.2011, p. 93-102.

Research output: Contribution to journalArticle

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