Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (ray-finned fishes) > Perciformes
(Perch-likes) > Gobiidae
(Gobies) > Gobionellinae
Etymology: Gillichthys: Theodore Nicolas Gill (1837-1914) researcher of abyssal fishes and systematics + Greek, ichthys = fish (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Marine; freshwater; brackish; pelagic-neritic. Tropical
Eastern Pacific: northernmost Gulf of California (Colorado River Delta).
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Occurs at low tide in deep channels produced by the 10 meter tidal amplitude in the Colorado River estuary. Bottom with fine, silty sediments and turbid conditions are prevalent (Ref. 90849).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Swift, C.C., L.T. Findley, R.A. Ellingson, K.W. Flessa and D.K. Jacobs, 2011. The Delta Mudsucker, Gillichthys detrusus, a valid species (Teleostei: Gobiidae) endemic to the Colorado River Delta, Northernmost Gulf of California, Mexico. Copeia 1:93-102. (Ref. 90849)
IUCN Red List Status (Ref. 120744)
CITES (Ref. 118484)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates based on models
Phylogenetic diversity index (Ref. 82805
= 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00933 (0.00325 - 0.02683), b=2.95 (2.71 - 3.19), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.5 ±0.4 se; Based on size and trophs of closest relatives
Resilience (Ref. 120179
): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Low to moderate vulnerability (35 of 100) .