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🌊 Marine Least Concern 🌡️ Subtropical

Northern snubnose goby

Pseudogobius aquilonius Larson & Hammer, 2021
Max Length
3.3 cm
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
0–1 m
Climate
Subtropical
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

This species occupies shallow-water estuarine, found in tidal rivers, mangrove creeks and muddy tide-pools, at depths of 0–1 m, on sandy mud, mud and mangrove roots, logs and leaf litter. It is found among a variety of mangroves, e.g. Aegialitis, Avicennia, Ceriops, Exoecaria, Rhizophora and often in marginal habitats such as small drainage creeks that runs through exposed salt flats. Associated with other species in its microhabitat or location in northern Australia including a minor overlap with Pseudogobius eos around Brisbane) .

Scientific Name
Pseudogobius aquilonius
Authority
Larson & Hammer, 2021
Habitat
Marine
Climate
Subtropical
IUCN Status
LC
Max Length
3.3 cm
Depth Range
0–1 m
Trophic Level
3.2
Resilience
High
Vulnerability
10.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 7; Dorsal soft rays (total): 6 - 8; Anal spines: 1; Anal soft rays: 6 - 7. This moderate-sized species is distinguished by the following characters: D2 I,6-8 (usually I,7); A I,6-7 (usually 7); pectoral rays 14-17 (usually 16); segmented caudal rays 15-16 in 9/7 pattern; lateral scales 24-27; transverse scale count 7-9; predorsal scales 6-8; opercle with at least 2 rows of cycloid scales and rarely with a cycloid scale on cheek, right behind the eye; shoulder girdle is smooth or with a narrow bony flange; tongue is short, may be greatly reduced; in males, teeth in outer row of upper jaw are slightly flattened, blunt-tipped or pointed, with two curved symphyseal canines behind anterior tooth rows; females with outer row teeth of upper jaw small, compressed and blunt-tipped; scale margins edged with brown, about 5-6 small brown elongate blotches along mid-side of the body and posteriormost blotch at hypural crease extending onto caudal fin and coalescing with narrow vertical dark bar on fin base ,Cross section: oval.

🌀 Behaviour

Behavioural data for Northern snubnose goby is currently being reviewed.

🦐 Diet

Diet information for Northern snubnose goby is currently being compiled.

🥚 Reproduction

Reproduction data for Northern snubnose goby is currently being compiled.

🌍 Habitat & Distribution

Marine; brackish; demersal; depth range 0 - 1 m . Subtropical east coast Queensland); possibly New Guinea but no samples were found.

🌿 Ecology

Zone Preferences
🌊 Marine 🌿 Brackish ⬇️ Benthic
Trophic Level
3.2±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.00708 × L3.07 (TL)
Max TL
3.3cm
Dorsal Spines
7
Dorsal Rays
7
Anal Spines
1
Anal Rays
7

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2023

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.2
Predator
Climate Zone
Subtropical
Described By
Larson & Hammer, 2021

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