New 🐟 Mercury Safety Guide & Omega-3 Rankings Updated for 2026. View Omega-3 Rankings →

🌊 Marine Least Concern 🐠 Aquarium 🌡️ Tropical

Blue coral ghost goby

Pleurosicya coerulea Larson, 1990
Max Length
2.2 cm
Max Weight
-
Lifespan
-
Trophic Level
3
Depth
3–20 m
Climate
Tropical
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

Blue coral ghost goby (Pleurosicya coerulea) is a ray-finned fish of the family Gobiidae. It inhabits marine (saltwater) waters in reef-associated environments. This species can reach a maximum total length of 2.2 cm. It occurs at depths between 3 and 20 metres. With a trophic level of 3, 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
Pleurosicya coerulea
Authority
Larson, 1990
Habitat
Marine
Climate
Tropical
Body Shape
Elongated
IUCN Status
LC
Max Length
2.2 cm
Depth Range
3–20 m
Trophic Level
3
Resilience
High
Vulnerability
10.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 6 - 7; Dorsal soft rays (total): 7 - 9; Anal spines: 1; Anal soft rays: 8 - 9. Characterized by translucent head and body with overall brown to bluish hue, blending in well with background; longitudinal scale series 22-25; nape without scales; restricted gill opening to base of pectoral fin or slightly forward of base; relatively deep bodied, depth of body at anus 3.8-6.9 in SL .: elongated.

🌀 Behaviour

Behavioural data for Blue coral ghost goby is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous 📦 Batch Spawner
Spawning Season
spring-summer
Spawn Location
Pelagic
Fertilization
External

🌍 Habitat & Distribution

Marine; reef-associated; depth range 3 - 20 m . Tropical north to the Ryukyu Islands, south to Scott Reef in the eastern Indian Ocean and the northern Great Barrier Reef.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
3±0.3

📐 Morphometrics

Length–Weight Relationship: W = 0.00741 × L3.09 (TL)
Max TL
2.2cm
Dorsal Spines
7
Dorsal Rays
8
Anal Spines
1
Anal Rays
9

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2015

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3
Predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Larson, 1990

👥 Community & Contribute

Aquareap Community Observations
0 Observations logged on Aquareap

No observations yet - be the first to log one!

View all observations for Blue coral ghost goby ↗
Suggest an Edit

Spotted incorrect or outdated data? Submit a correction and our editorial team will review it. Approved edits go live within 48 hours.

Link to a scientific paper, FishBase, or other authoritative source
Report an Issue

Found a factual error, broken data, or inappropriate content? Let us know and we will investigate promptly.