Gillichthys mirabilis
Longjaw Mudsucker
NS
G5
Collection Details
Specimens
Photos
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Records
Taxonomic Hierarchy
Actinopterygii (Ray-finned Fishes)
Perciformes (Perciformes, Also Called the Acanthopteri)
Gobiidae (Gobies)
Gillichthys
Gillichthys mirabilis (Longjaw Mudsucker)
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.)
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Characters
Body shape: elongated.
Distribution
Eastern Pacific: California, northern to central Gulf of California.
Habitat Associations
Brackish, marine. demersal.
Biology
Inhabits tidal flats, bays and coastal sloughs. Prefers mud bottom in shallow water. Non-emerging air-breather (Ref. 31184). Oviparous (Ref. 56079). Males guard the eggs which are found attached to the walls of brood chamber (Ref. 56079).
Max length: 21.0 cm TL; common length: 13.0 cm TL; max age: 2 years.
Reproductive mode: dioecism; fertilization: external; guarders (nesters). Female lays several thousand club-shaped eggs in nest built by male. Male guards eggs during 10-12 day incubation.
IUCN Red List Status: Least Concern (LC), assessed 2019-02-13. Resilience: High (tmax=2;).
References
Eschmeyer, W.N., E.S. Herald and H. Hammann (1983) A field guide to Pacific coast fishes of North America. Boston (MA, USA): Houghton Mifflin Company. xii+336 p.
Fitch, J.E. and R.J. Lavenberg (1975) Tidepool and nearshore fishes of California. California Natural History Guides:38. University of California Press, Berkelley and Los Angeles, California. 156 p.
Patzner, R.A., J.L. Van Tassell, M. Kovačić and B.G. Kapoor (2011) The biology of gobies. Enfield, NH : Science Publishers ; Boca Raton, FL : DIstributed by CRC Press, 685 p.
Love, M.S., C.W. Mecklenburg, T.A. Mecklenburg and L.K. Thorsteinson (2005) Resource inventory of marine and estuarine fishes of the West Coast and Alaska: A checklist of North Pacific and Arctic Ocean species from Baja California to the Alaska-Yukon border. U.S. Department of the Interior, U.S. Geological Survey, Biological Resources Division, Seattle, Washington, 98104.
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