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

🌊 Marine Data Deficient 🌡️ Tropical

Sharpnosed coralbrotula

Paradiancistrus acutirostris Schwarzhans, Møller & Nielsen, 2005
Max Length
3.6 cm
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
2–22 m
Climate
Tropical
Resilience
-
Vulnerability
10.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

Sharpnosed coralbrotula (Paradiancistrus acutirostris), first described by Schwarzhans, Møller & Nielsen, 2005 is a tiny fish. Adults typically reach 3.60 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 2 to 22 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 Data Deficient.

Scientific Name
Paradiancistrus acutirostris
Authority
Schwarzhans, Møller & Nielsen, 2005
Habitat
Marine
Climate
Tropical
Body Shape
Elongated
IUCN Status
DD
Max Length
3.6 cm
Depth Range
2–22 m
Trophic Level
3.2
Vulnerability
10.00/100
Salinity
30–40 ppt

🔬 Taxonomy

Genus
Paradiancistrus
Paradiancistrus
Species
Sharpnosed coralbrotula
Paradiancistrus acutirostris

🐟 Physical Description

Dorsal soft rays (total): 82 - 88; Anal soft rays: 66 - 71; Vertebrae: 43 - 44. The species is characterized by the following: vertebrae 11+32-33=43-44, dorsal fin rays 82-88, anal fin rays 66-71; large eyes (2.6-3.1% SL); lower preopercular pores 1; outer pseudoclasper broad and wing-shaped, short and blunt; inner pseudoclasper a double winged broad flap, anteriorly joined to outer pseudoclasper forming a u-shaped feature, with supporter; very narrow scale patch on anterior part of cheek, only with 2 scale rows on upper cheek and single scale row on lower cheek; the head profile slender, with sharp, pointed snout .: elongated.

🌀 Behaviour

Behavioural data for Sharpnosed coralbrotula 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 2 - 22 m . Tropical Central Pacific: Vanuatu.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
3.2±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.00389 × L3.12 (TL)
Max TL
3.6cm
Dorsal Rays
85
Anal Rays
69
Vertebrae
44

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2019

📊 Population Risk & Fisheries

Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.2
Predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Schwarzhans, Møller & Nielsen, 2005

👥 Community & Contribute

Aquareap Community Observations
0 Observations logged on Aquareap

No observations yet - be the first to log one!

View all observations for Sharpnosed coralbrotula ↗
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.