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Diadromous Least Concern 🌡️ Temperate

Dusky tripletooth goby

Tridentiger obscurus Temminck & Schlegel, 1845
Max Length
14 cm
Max Weight
Lifespan
Trophic Level
2.9
Depth
Climate
Temperate
Resilience
High
Vulnerability
24.00/100

📖 Overview

Adults inhabit both brackish and freshwater and may spend its whole life in freshwater. Caught for food.

Scientific Name
Tridentiger obscurus
Authority
Temminck & Schlegel, 1845
Habitat
Diadromous
Climate
Temperate
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
14 cm
Trophic Level
2.9
Resilience
High
Vulnerability
24.00/100
Migration
Amphidromous
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 7; Dorsal soft rays (total): 10 - 12; Anal spines: 1; Anal soft rays: 9 - 11. : fusiform / normal.

🌀 Behaviour

Behavioural data for Dusky tripletooth goby is currently being reviewed.

🦐 Diet

Diet information for Dusky tripletooth goby is currently being compiled.

🥚 Reproduction

Size at Maturity
6.5cm TL

🌍 Habitat & Distribution

Marine; freshwater; brackish; demersal; amphidromous . Temperate; 47°N - 31°N, 114°E - 148°E

🌿 Ecology

Zone Preferences
🌊 Marine 💧 Freshwater 🌿 Brackish ⬇️ Benthic
Migration
Amphidromous
Trophic Level
2.9±0.28

📐 Morphometrics

Length–Weight Relationship: W = 0.01072 × L3.02 (TL)
Max TL
14cm
Dorsal Spines
7
Dorsal Rays
11
Anal Spines
1
Anal Rays
10

🌡️ 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
24.00/100
Low vulnerability
Trophic Level
2.9
Omnivore / Planktivore
Body Shape
Fusiform / normal
Climate Zone
Temperate
Described By
Temminck & Schlegel, 1845

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Dusky tripletooth goby · Threadfin goby
🇯🇵Japanese Chichibu · チチブ

Scientific Synonyms

Scientific Name Author Year Status
Sicydium obscurum Temminck & Schlegel 1845 Synonym
Tridentiger obscurus obscurus Temminck & Schlegel 1845 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) — 1,275 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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