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

🌊 Marine Least Concern 🐠 Aquarium 🌡️ Subtropical

Blackspot shrimpgoby

Cryptocentrus nigrocellatus Yanagisawa, 1978
Max Length
13 cm
Max Weight
-
Lifespan
-
Trophic Level
3.4
Depth
3–10 m
Climate
Subtropical
Resilience
High
Vulnerability
24.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

Blackspot shrimpgoby (Cryptocentrus nigrocellatus) 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 13 cm. It occurs at depths between 3 and 10 metres. 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
Cryptocentrus nigrocellatus
Authority
Yanagisawa, 1978
Habitat
Marine
Climate
Subtropical
Body Shape
Elongated
IUCN Status
LC
Max Length
13 cm
Depth Range
3–10 m
Trophic Level
3.4
Resilience
High
Vulnerability
24.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 7; Dorsal soft rays (total): 9 - 11; Anal spines: 1; Anal soft rays: 8 - 9. Body with 3 or 4 rows of white spots on body; all fins transparent with dark spots or bars forming oblique lines. A large ocellus rimmed with white line between the posterior margin of preopercle and opercle. Scales in longitudinal row 70; in transverse series 22; predorsal 3. Caudal fin rounded ; further characterized by dark brown to blackish body color; white snout and jaw tips; lower side with white speckling; united pelvic fins, presence of frenum; longitudinal scale series 69-78; head without scales; greatest depth of body 4.7-5.2 in SL .: elongated; Cross section: circular.

🌀 Behaviour

Behavioural data for Blackspot shrimpgoby 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 - 10 m . Subtropical

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
3.4±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00741 × L3.09 (TL)
Max TL
13cm
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
2023

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
24.00/100
Low vulnerability
Trophic Level
3.4
Predator
Body Shape
Elongated
Climate Zone
Subtropical
Described By
Yanagisawa, 1978

👥 Community & Contribute

Aquareap Community Observations
0 Observations logged on Aquareap

No observations yet - be the first to log one!

View all observations for Blackspot shrimpgoby ↗
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.