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🌊 Marine Least Concern 🐠 Aquarium 🌡️ Tropical

Narrowbar reefgoby

Priolepis profunda Weber, 1909
Max Length
3.4 cm
Max Weight
-
Lifespan
-
Trophic Level
3.1
Depth
45–114 m
Climate
Tropical
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Narrowbar reefgoby (Priolepis profunda), first described by Weber, 1909 is a tiny fish in the family Gobiidae (order Gobiiformes). Adults typically reach 3.40 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 45 to 114 metres. It occurs in Tropical waters. It is broadly omnivorous, taking invertebrates, plant matter, and detritus. On the IUCN Red List, it is classified as Least Concern.The species is kept in the aquarium hobby. Care requirements and behaviour align broadly with other Gobiidae kept in the hobby.

Scientific Name
Priolepis profunda
Authority
Weber, 1909
Habitat
Marine
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
3.4 cm
Depth Range
45–114 m
Trophic Level
3.1
Resilience
High
Vulnerability
10.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 7; Dorsal soft rays (total): 10; Anal spines: 1; Anal soft rays: 8. This species is distinguished by the following characters: interorbital broad, with a slight depression between eyes; predorsal scales covered with ctenoid scales to above mideye, and a small naked patch immediately before first dorsal fin; scales absent immediately behind eye before transverse postocular papilla row; prepelvic area partly scaled immediately before pelvic origin, in 2-8 rows; usually no opercular scales, but rarely 1-5 small scales dorsally; no scales on; usually D2 I,10, A I,8, pectoral rays 19; transverse pattern of sensory papilla rows on cheek; pelvic fins connected to form a plate, but no interspinal membrane, the fifth ray with multiple branches, length about 75-80% of length of fourth ray; head and body brown with a distinct large black blotch at anterior base of first dorsal fin, and in life, head and body with very thin blue bands; no bands dorsally on caudal fin; mouth very oblique, jaws form an angle for 55°-60° with body axis .: fusiform / normal.

🌀 Behaviour

Behavioural data for Narrowbar reefgoby 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; demersal; depth range 45 - 114 m . Tropical West Pacific: Thailand (Gulf of Thailand) Australia (WA to NT, Arafura Sea), Indonesia (New Guinea), and the Philippines (Samar Sea); probably widespread.

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
3.1±0.3

📐 Morphometrics

Length–Weight Relationship: W = 0.01023 × L3.01 (TL)
Max TL
3.4cm
Dorsal Spines
7
Dorsal Rays
10
Anal Spines
1
Anal Rays
8

🌡️ 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
3.1
Predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Described By
Weber, 1909

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