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🌊 Marine Least Concern 🌡️ Tropical

Allen's coralbrotula

Diancistrus alleni Schwarzhans, Møller & Nielsen, 2005
Max Length
7 cm
Max Weight
-
Lifespan
-
Trophic Level
3.3
Depth
5–17 m
Climate
Tropical
Resilience
-
Vulnerability
10.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

Allen's coralbrotula (Diancistrus alleni), first described by Schwarzhans, Møller & Nielsen, 2005 is a small fish in the family Dinematichthyidae (order Ophidiiformes). Adults typically reach 7.00 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 5 to 17 metres. It occurs in Tropical waters. It feeds on a mix of small fish and invertebrates as a mid-level predator. The species largely solitary in behaviour. On the IUCN Red List, it is classified as Least Concern.

Scientific Name
Diancistrus alleni
Authority
Schwarzhans, Møller & Nielsen, 2005
Habitat
Marine
Climate
Tropical
Body Shape
Elongated
IUCN Status
LC
Max Length
7 cm
Depth Range
5–17 m
Trophic Level
3.3
Vulnerability
10.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal soft rays (total): 75 - 84; Anal soft rays: 60 - 70; Vertebrae: 43 - 45. Diagnosis. Vertebrae 11+32-34=43-45, dorsal fin rays 75-84, anal fin rays 60-70; outer pseudoclasper hook-shaped, hook-like extension bent outwards, with massive supporter; inner pseudoclasper anteriorly connected to outer pseudoclasper, stout, fleshy; 1 or 2, rarely 3 large scales on operculum above opercular spine aligned in single row and usually covered by mucus and skin . : elongated; Cross section: compressed.

🌀 Behaviour

Behavioural data for Allen's 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 5 - 17 m . Tropical West Pacific: Chagos and Maldives to Java, Australia, New Guinea, the Solomons, Vanuatu, and Samoa.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
3.3±0.5
🧍 Solitary

📐 Morphometrics

Length–Weight Relationship: W = 0.00389 × L3.12 (TL)
Max TL
7cm
Dorsal Rays
80
Anal Rays
65
Vertebrae
44

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2019

📊 Population Risk & Fisheries

Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.3
Predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Schwarzhans, Møller & Nielsen, 2005

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