Diadromous
Endangered
🌡️ Tropical
Gillichthys Detrusus
Gillichthys detrusus Gilbert & Scofield, 1898
📖 Overview
Facultative air-breathing in the genus ; 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 .
Scientific Name
Gillichthys detrusus
Authority
Gilbert & Scofield, 1898
Habitat
Diadromous
Climate
Tropical
IUCN Status
EN
Trophic Level
3.6
Resilience
Medium
Vulnerability
36.00/100
Salinity
30–40 ppt
🔬 Taxonomy
Class
Teleostei
Teleostei
Order
Gobiiformes
Gobiiformes
Family
Gobiidae
Gobiidae
Genus
Gillichthys
Gillichthys
Species
Gillichthys Detrusus
Gillichthys detrusus
🐟 Physical Description
Colorado River estuary.
🌀 Behaviour
Behavioural data for Gillichthys Detrusus is currently being reviewed.
🦐 Diet
aquatic invertebrates
small fish
algae
detritus
🥚 Reproduction
🐣 Oviparous
📦 Batch Spawner
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External
🌍 Habitat & Distribution
Marine; freshwater; brackish; pelagic-neritic. Tropical
🌿 Ecology
Zone Preferences
🌊 Marine
💧 Freshwater
🌿 Brackish
🐟 Pelagic
Trophic Level
3.6±0.5
📐 Morphometrics
Length–Weight Relationship:
W = 0.00708 × L3.07
(TL)
🌡️ Water Parameters & Tolerance
Salinity Range
30–40ppt
🛡️ Conservation Assessment
IUCN Category
Endangered
Assessment Date
2024
📊 Population Risk & Fisheries
Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
36.00/100
Moderate vulnerability
Trophic Level
3.6
Predator
Climate Zone
Tropical
Described By
Gilbert & Scofield, 1898
🔍 Similar Species
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