Classificatie / Namen
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Gobiiformes (Gobies) >
Gobiidae (Gobies) > Gobionellinae
Etymology: Gillichthys: Theodore Nicolas Gill (1837-1914) researcher of abyssal fishes and systematics + Greek, ichthys = fish (Ref. 45335).
Eponymy: Professor Theodore Nicholas Gill (1837–1914) was an American ichthyologist, malacologist, mammologist and librarian, a zoologist at George Washington University and associated with the Smithsonian Institution for more than half a century. [...] (Ref. 128868), visit book page.
Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied
Ecologie
marien; zoet water; brak water pelagic-neritic. Tropical
Eastern Pacific: northernmost Gulf of California (Colorado River Delta).
Grootte / Gewicht / Leeftijd
Maturiteit: Lm ?  range ? - ? cm
Facultative air-breathing in the genus (Ref. 126274); 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).
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
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)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-2 (Global))
Bedreigd (EN) (B1ab(i,ii,iii,iv,v)+2ab(i,ii,iii,iv,v)); Date assessed: 14 February 2024
Gevaar voor de mens
Harmless
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Schattingen op basis van modellen
Fylogenetische diversiteitsindex (Ref. 82804) |
PD50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00708 (0.00335 - 0.01497), b=3.07 (2.89 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Trofisch niveau (Ref. 69278) |
3.6 ±0.5 se; based on size and trophs of closest relatives |
Weerstandsvermogen (Ref. 120179) |
Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (Preliminary K or Fecundity.). |
Kwetsbaarheid van de visserij (Ref. 59153) |
Moderate vulnerability (36 of 100). 🛈 |