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Diadromous 🌡️ Subtropical

Taiwan earthworm goby

Luciogobius opisthoproctus Chen & Liao, 2024
Max Length
2.8 cm
Max Weight
-
Lifespan
-
Trophic Level
3.1
Depth
-
Climate
Subtropical
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Taiwan earthworm goby (Luciogobius opisthoproctus), first described by Chen & Liao, 2024 is a tiny fish in the family Gobiidae (order Gobiiformes). Adults typically reach 2.80 cm in maximum length. It is diadromous, migrating between freshwater and marine environments during its life cycle. It occurs in Subtropical waters. It is broadly omnivorous, taking invertebrates, plant matter, and detritus.

Scientific Name
Luciogobius opisthoproctus
Authority
Chen & Liao, 2024
Habitat
Diadromous
Climate
Subtropical
Max Length
2.8 cm
Trophic Level
3.1
Resilience
High
Vulnerability
10.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 0; Dorsal soft rays (total): 9 - 12; Anal spines: 0; Anal soft rays: 11 - 14; Vertebrae: 41 - 43. This species is distinguished by the following set of characters: total vertebrae 41-43; absence of free pectoral-fin rays; D2 9-12 (usually 11); A 11-14 (11 or 12); pectoral-fin rays 8-12 (10 or 11); pelvic-fin length more than 50% of pectoral-fin length; AAA distance 4.2-7.2% (mean 5.7%) of SL, 72.1-129.7% (mean 99.9%) of body depth at anus; snout length 39.7-62.7% (mean 52.8%) of AAA distance; pre-anus distance 80.0-92.8% (mean 88.6%) of pre-anal-fin length; anterior-most pterygiophore of anal fin inserted behind the second haemal spine .Cross section: circular.

🌀 Behaviour

Behavioural data for Taiwan earthworm goby 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; demersal. Subtropical

🌿 Ecology

Zone Preferences
🌊 Marine 💧 Freshwater 🌿 Brackish ⬇️ Benthic
Trophic Level
3.1±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.00708 × L3.07 (TL)
Max TL
2.8cm
Dorsal Rays
11
Anal Rays
13
Vertebrae
42

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.1
Predator
Climate Zone
Subtropical
Described By
Chen & Liao, 2024

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