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Diadromous Least Concern 🌡️ Tropical

Day's goby

Acentrogobius dayi Koumans, 1941
Max Length
11 cm
Max Weight
-
Lifespan
-
Trophic Level
3.4
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
21.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Day's goby (Acentrogobius dayi) is a ray-finned fish of the family Gobiidae. It inhabits diadromous, migrating between freshwater and the sea waters in benthic environments. This species can reach a maximum total length of 11 cm. With a trophic level of 3.4, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Least Concern on the IUCN Red List.

Scientific Name
Acentrogobius dayi
Authority
Koumans, 1941
Habitat
Diadromous
Climate
Tropical
Body Shape
Elongated
IUCN Status
LC
Max Length
11 cm
Trophic Level
3.4
Resilience
High
Vulnerability
21.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 7; Dorsal soft rays (total): 10; Anal spines: 1; Anal soft rays: 9. Caudal fin rounded, a little shorter than head.: elongated.

🌀 Behaviour

Behavioural data for Day's goby is currently being reviewed.

🦐 Diet

Diet information for Day's goby is currently being compiled.

🥚 Reproduction

Reproduction data for Day's goby is currently being compiled.

🌍 Habitat & Distribution

Marine; freshwater; brackish; demersal; depth range ? - 18 m . Tropical Indian Ocean: Persian Gulf to Pakistan.

🌿 Ecology

Zone Preferences
🌊 Marine 💧 Freshwater 🌿 Brackish ⬇️ Benthic
Trophic Level
3.4±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00794 × L3.09 (TL)
Max TL
11cm
Dorsal Spines
7
Dorsal Rays
10
Anal Spines
1
Anal Rays
9

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2017

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
21.00/100
Low vulnerability
Trophic Level
3.4
Predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Koumans, 1941

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